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A
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Abscissa
Abscissa - math word definition
Coordinates of a point
titletag
Acceleration
Acceleration - math word definition
Calculus - Equations of Motion
Accumulation function
Calculus - Accumulation Functions
Acute
Acute - math word definition
Acute Angle definition
Acute triangle definition
Adjacent
Adjacent - math word definition
Adjacent Angles definition
Adjacent arcs definition
Adjacent sides definition
Algorithm
Algorithm definition
Area of a polygon algorithm
Circle and ellipse drawing algorithm
Alternate angle
Alternate angle - math word definition
Alternate Exterior Angles definition
Alternate Interior Angles definition
Alternating
Alternating - Math word definition
Calculus - Alternating Series Test
Altitude
Altitude - math word definition
Altitude of a triangle
Area of a triangle (conventional method)
How to construct (draw) one of the three altitudes of a triangle
How to construct (draw) one of the three altitudes of a triangle
Trapezoid and its properties. (Coordinate Geometry)
Triangle definition and properties
Analysis
Analysis - Math word definition
Calculus - Basic curve analysis
Calculus - Curve Analysis - Global Extrema
Calculus - Curve analysis - special cases
Angle
Angle - Math word definition
Acute Angle definition
Adjacent Angles definition
Alternate Exterior Angles definition
Alternate Interior Angles definition
Angle bisector definition
Angle calculator for angles as used in the Nautical Almanac
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Angle definition and properties (Trigonometry)
Angle inscribed in a semicircle
Angle measure of an arc
Angle Quiz 1
Arc Peripheral Angle
Central angle of a circle
Central Angle Theorem
Complementary angle using compass and straightedge or ruler
Complementary Angles definition
Congruent Angles
Constructing 75, 105, 120, 135, 150 degree angles and more
Corresponding Angles definition
Cosine - math word definition
Coterminal - math word definition
Degrees as a unit of angle measure
Difference of two angles using compass and straightedge or ruler
Exterior Angles - math word definition
Exterior Angles of a Transversal definition
Full Angle - An angle with a measure of 360 deg
How to add two angles with compass and straightedge or ruler
How to construct a 90 degree angle with compass and straightedge or ruler
How to construct (draw) a 45 degree angle with compass and straightedge or ruler
How to construct a 30 degree angle with compass and straightedge or ruler
How to construct a 60 degree angle with compass and straightedge or ruler
How to copy an angle with compass and straightedge or ruler
How to use a protractor to draw an angle
How to use a protractor to measure angles
Included angle definition
Initial side - math word definition - Trigonometry
Inscribed angle of a circle
Interior / exterior angles of a polygon
Interior angles of a parallelogram
Interior Angles of a transversal definition
Interior angles of an inscribed quadrilateral
Interior of an angle definition
Intersecting Secant Angles Theorem
Linear Pair - math word definition
Obtuse Angle definition
Quadrantal angle - math word definition - Trigonometry
Radian - math word definition
Reference angle
Reflex Angle definition
Relationship of side lengths and angles of a triangle
Right Angle - math word definition
Standard position of an angle definition - Trigonometry
Straight Angle definition
Subtended angle definition
Supplementary angle using compass and straightedge or ruler
Supplementary Angles definition
Terminal side definition - Trigonometry
The sine function - math word definition
The tangent function in right triangles - Trigonometry
Triangle exterior angle theorem
Triangle exterior angles definition
Vertical Angles definition
Annulus
Annulus - Math word definition
Area of an annulus
Antiderivative
Antiderivative - Math word definition
Calculus - Antiderivatives from Slope
Calculus - Basic Antiderivatives
Calculus - Functions defined using integrals
Apothem
Apothem of a polygon
Arc
Arc - Math word definition
Adjacent arcs definition
Angle measure of an arc
Arc Length definition
Arc Peripheral Angle
Calculus - Arc Length
Derivation of the arc radius formula
Finding the center of a circle or arc with compass and straightedge or ruler
Intercepted arc
Major and Minor Arcs
Parts of a circle - Pictorial index
Radius of an Arc or Arch
Sagitta definition, the height, width, radius of an arc
The inverse trigonometry functions
Arc length
Arc-length - Math word definition
Arc Length definition
Calculus - Arc Length
Arccos
The trigonometry arccos() function - inverse cosine - math word definition
Arch
Arch - Math word definition
Radius of an Arc or Arch
Arcsin
The trigonometry arcsin() function - inverse sine - math word definition
Arctan
The trigonometry arctan() function - inverse tangent - math word definition
Area
Area - math word definition
Area and perimeter of a rectangle. (Coordinate Geometry)
Area and Perimeter of a Square. (Coordinate Geometry)
Area enclosed by a circle
Area enclosed by an ellipse
Area of a circle segment
Area of a circle segment
Area of a Kite
Area of a parallelogram. Definition and formula
Area of a polygon algorithm
Area of a polygon calculator
Area of a rectangle. Definition and formula
Area of a sector of a circle
Area of a square. Definition and formula
Area of a trapezoid. Definition and formula
Area of a triangle (conventional method)
Area of a triangle (Coordinate Geometry)
Area of a triangle (Side-angle-side method)
Area of a triangle given three sides - Heron's Formula
Area of a triangle using the box method (Coordinate Geometry)
Area of an annulus
Area of an equilateral triangle
Area of an inscribed quadrilateral
Area of an Irregular Polygon
Area of any polygon (Coordinate Geometry)
Calculus - Areas By Slicing
Calculus - Polar Area
Derivation of the formula for the area of a circle
Derivation of the formula for the area of a cone
Derivation of the formula for the area of a parallelogram
Derivation of the formula for the area of a regular polygon
Derivation of the formula for the area of a trapezoid
Derivation of the surface area of a cylinder
Regular polygon area formula
Relationship of area and perimeter of a triangle
Rhombus area formula
Surface area of a cube
Surface area of a cylinder
Surface area of a prism
Surface area of a pyramid
Surface area of a right cone
Surface area of a sphere
Trapezoid area and perimeter. (Coordinate Geometry)
Triangle similarity, ratios of area
Arithmetic
Arithmetic - Math word definition
Negative number definition - math word definition
Positive number definition - math word definition
Average
Average - Math word definition
Calculus - Average Value
Calculus -Average velocity and speed
Axis
Axis, axes - Math word definition
Cylinder as the locus of a line
Cylinder definition and properties
Introduction to Coordinate Geometry
Major / minor axis of an ellipse
Relation of a cylinder to a prism
Semi-major / semi-minor axis of an ellipse
The Coordinate Plane
X-axis definition
Y-axis definition
B
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Base
Base - Math word definition
Altitude of a triangle
Area of a triangle (conventional method)
Triangle definition and properties
Biography
Biography - Math word definition
Biography of Heron
Biography of Pythagoras - math word definition
Biography of Thales - math word definition
Euclid - math word definition
Bisector
Bisector - math word definition
Angle bisector definition
How to bisect a segment with compass and straightedge or ruler
How to bisect an angle with compass and straightedge or ruler
Line segment bisector definition
Perpendicular bisector definition
Bounds
Bounds - Math word definition
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Box
Box - Math word definition
Area of a triangle using the box method (Coordinate Geometry)
Calculus - Maximizing volume
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Brahmagupta
Brahmagupta - Math word definition
Area of an inscribed quadrilateral
C
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Calculator
Math / scientific calculator similar to those from TI, Casio, HP etc
Area of a polygon calculator
Graphical Function Explorer grapher (GFE)
Math / scientific calculator instructions
Calculus
Calculus - Math word definition
Calculus - Fundamental Theorem of Calculus
Calculus - Second Fundamental Theorem of Calculus
Cardinal
Cardinal numbers (Whole numbers or natural numbers)
Cardinal numbers (Whole numbers or natural numbers)
Cardinality
Cardinal numbers (Whole numbers or natural numbers)
Center
Center - math word definition
Center of a Polygon
Finding the center of a circle or arc with compass and straightedge or ruler
Finding the center of a circle with any right-angled object
Points of concurrency
Central angle
Central angle - math word definition
Central angle of a circle
Central Angle of a Polygon
Central Angle Theorem
Centroid
Centroid - math word definition
Centroid coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Euler line
How to construct the centroid of a triangle with compass and straightedge or ruler
Median of a triangle - math word definition
Triangle Centers Overview
Triangle centroid definition
Chain rule
Chain-rule - Math word definition
Calculus - Chain Rule
Chord
Chord - Math word definition
Intersecting Chord Theorem
Parts of a circle - Pictorial index
Circle
Circle - Math word definition
Angle inscribed in a semicircle
Annulus - Math word definition
Arc - Math word definition
Area enclosed by a circle
Area of a circle segment
Area of a circle segment
Area of a sector of a circle
Area of an annulus
Basic Equation of a Circle
Central angle of a circle
Chord - Math word definition
Circle and ellipse drawing algorithm
Circumcircle
Circumference (perimeter) of a circle definition
Concentric - Math word definition
Conic section - circle
Derivation of the formula for the area of a circle
Derivation of the formula for the circumference of a circle
Diameter - math word definition
Finding the center of a circle or arc with compass and straightedge or ruler
Finding the center of a circle with any right-angled object
General form of Equation of a Circle
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct (draw) tangents to a circle through an external point
How to construct (draw) the two external tangents to two given circles
How to construct (draw) the two internal tangents to two given circles
How to construct a circle through 3 points with compass and straightedge or ruler
How to construct a tangent to a circle at a point
Incircle
Inscribed angle of a circle
Intersecting Chord Theorem
Intersecting Secant Theorem
Parametric Equation of a Circle
Radius of a circle - math word definition
Secant of a circle definition
Sector definition
Segment of a Circle
Semicircle - math word definition
Square inscribed in a circle
Tangent to a circle definition
Thales theorem
Circumcenter
Circumcenter - math word definition
Circumcircle of a Triangle
Euler line
How to construct circumcenter of a triangle with compass and straightedge or ruler
Triangle Centers Overview
Triangle Circumcenter definition
Circumcircle
Circumcircle - math word definition
Circumcircle
Circumcircle of a Regular Polygon
Circumcircle of a Triangle
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct a circle through 3 points with compass and straightedge or ruler
Radius of a Regular Polygon
Circumference
Circumference (perimeter) of a circle definition
Derivation of the formula for the circumference of a circle
Parts of a circle - Pictorial index
Perimeter of an Ellipse
Circumradius
Circumradius - math word definition
Circumcircle of a Triangle
Radius of a Regular Polygon
Circumscribed
Circumscribed - math word definition
Circumcircle
Circumcircle of a Regular Polygon
Circumcircle of a Triangle
Circumscribed rectangle, bounding box. (Coordinate Geometry)
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct a circle through 3 points with compass and straightedge or ruler
Classification
Classification - math word definition
Classification of triangles
Classify
Classify - math word definition
Classification of triangles
Collinear
Collinear - Math word definition
Common core
Common Core alignment
Comparison
Comparison - Math word definition
Calculus - Comparison Test
Compass
Compass - math word definition
Construction - math word definition
Constructions Introduction. Drawing shapes with compasses and straightedge
List of construction worksheets
Complement
Complement - math word definition
Complementary
Complementary - math word definition
Complementary angle using compass and straightedge or ruler
Complementary Angles definition
Complex number
Complex numbers - animated definition
Imaginary number - math word definition
Number - math word definition
Real number - math word definition
The letter i - math word definition
The letter j - math word definition
Composite number
Composite number - math word definition
Number - math word definition
Prime number - math word definition
Composition
Composition - Math word definition
Calculus - Chain Rule
Concave
Concave - math word definition
Concave Polygon Definition
Concentric
Concentric - Math word definition
Concurrent lines
Concurrent lines - math word definition
Orthocenter of a triangle - math word definition
Points of concurrency
Triangle centroid definition
Triangle Circumcenter definition
Triangle incenter, description and properties
Cone
Cone - Math word definition
Comparison of a cone and pyramid
Conic section - circle
Conic section - ellipse
Derivation of the formula for the area of a cone
Oblique versus right cone
Slant height of a right cone
Surface area of a right cone
Volume of a right cone
Congruent
Congruent - math word definition
AAA Doesn't work
AAS Congruent Triangles
ASA Congruent Triangles
Congruent Angles
Congruent Lines Definition
Congruent Polygon Tests
Congruent Polygons
Congruent Triangles
Congruent triangles with a common side
HL Congruent Triangles
Reflected Congruent Triangles
Rotated Congruent Triangles
SAS Congruent Triangles
SSA doesn't work
SSS Congruent Triangles
Conic section
Conic-section - Math word definition
Conic section - circle
Conic section - ellipse
Conical
Conical - math word definition
Comparison of a cone and pyramid
Cone - Math word definition
Construction
Construction - math word definition
Complementary angle using compass and straightedge or ruler
Construct an isosceles triangle with given leg and apex angle with compass and straightedge or ruler
Constructing 75, 105, 120, 135, 150 degree angles and more
Constructing a circle through 3 given points
Constructing a regular pentagon inscribed in a circle
Constructions Introduction. Drawing shapes with compasses and straightedge
Copying a line segment with compass and straightedge or ruler
Copying a line segment with compass and straightedge or ruler
Copying a triangle with compass and straightedge or ruler
Difference of two angles using compass and straightedge or ruler
Difference of two line segments using compass and straightedge or ruler
Dividing a line segment into N equal parts with compass and straightedge or ruler
Finding the foci an ellipse
Finding the center of a circle or arc with compass and straightedge or ruler
Finding the center of a circle with any right-angled object
How to add two angles with compass and straightedge or ruler
How to bisect a segment with compass and straightedge or ruler
How to bisect an angle with compass and straightedge or ruler
How to construct a triangle given two angles and a non-included side
How to construct a triangle given two angles and the included side
How to construct a 90 degree angle with compass and straightedge or ruler
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct the centroid of a triangle with compass and straightedge or ruler
How to construct (draw) an ellipse
How to construct (draw) a 45 degree angle with compass and straightedge or ruler
How to construct (draw) a perpendicular at a point on a line
How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler
How to construct (draw) a perpendicular from a line through a point
How to construct (draw) a right triangle with a given leg and hypotenuse (HL)
How to construct (draw) a right triangle with a given one angle and hypotenuse (HA)
How to construct (draw) a right triangle with a given one angle and one leg (LA)
How to construct (draw) a right triangle with two given leg lengths (LL)
How to construct (draw) a square
How to construct (draw) a triangle given three sides
How to construct (draw) an equilateral triangle with compass and straightedge or ruler
How to construct (draw) one of the three altitudes of a triangle
How to construct (draw) one of the three altitudes of a triangle
How to construct (draw) tangents to a circle through an external point
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
How to construct (draw) the medians of a triangle
How to construct (draw) the orthocenter of a triangle
How to construct (draw) the two external tangents to two given circles
How to construct (draw) the two internal tangents to two given circles
How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method)
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler
How to construct a 30 degree angle with compass and straightedge or ruler
How to construct a 30-60-90 triangle with compass and straightedge or ruler
How to construct a 60 degree angle with compass and straightedge or ruler
How to construct a circle through 3 points with compass and straightedge or ruler
How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
How to construct a parallel through a point with compass and straightedge or ruler
How to construct a regular hexagon given one side with compass and straightedge or ruler
How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler
How to construct a square inscribed in a circle with compass and straightedge or ruler
How to construct a tangent to a circle at a point
How to construct a triangle given two sides and the included angle
How to construct an isosceles triangle given base and one side
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
How to construct circumcenter of a triangle with compass and straightedge or ruler
How to construct midsegment of a triangle with compass and straightedge or ruler
How to construct the incenter of a triangle with compass and straightedge
How to copy an angle with compass and straightedge or ruler
List of construction worksheets
Printable instructions for bisecting a line with compass and straightedge or ruler
Printable instructions for drawing a 45 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 60 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 90 degree angle with compass and straightedge or ruler
Printable instructions for drawing an equilateral triangle with compass and straightedge or ruler
Printable instructions for finding the altitude of an acute triangle with compass and straightedge or ruler
Printable instructions for finding the altitude of an obtuse triangle with compass and straightedge or ruler
Printable instructions for finding the circumcenter of a triangle with compass and straightedge or ruler
Printable instructions for finding the midsegment of a triangle with compass and straightedge or ruler
Printable instructions for bisecting an angle with compass and straightedge or ruler
Printable instructions for constructing a hexagon given one side.
Printable instructions for constructing a hexagon inscribed in a given circle.
Printable instructions for constructing a pentagon inscribed in a given circle.
Printable instructions for constructing a right triangle with given angle and hypotenuse with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given angle and one leg (LA) with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given leg and hypotenuse with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given leg lengths with compass and straightedge or ruler
Printable instructions for constructing a square inscribed in a circle with compass and straightedge or ruler
Printable instructions for constructing a square of a given side length with compass and straightedge or ruler
Printable instructions for constructing an equilateral triangle inscribed in a given circle.
Printable instructions for constructing an isosceles triangle given a side and apex angle
Printable instructions for constructing one of the two internal tangents to two given circles.
Printable instructions for constructing tangents to two given circles.
Printable instructions for constructing the complementary angle to a given angle with compass and straightedge or ruler
Printable instructions for constructing the supplementary angle to a given angle with compass and straightedge or ruler
Printable instructions for copying a line segment with compass and straightedge or ruler
Printable instructions for copying a triangle with compass and straightedge or ruler
Printable instructions for copying an angle with compass and straightedge or ruler
Printable instructions for dividing a line segment into equal parts with compass and straightedge or ruler
Printable instructions for drawing a 30 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 30-60-90 triangle with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at a point on a line with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at the end of a ray with compass and straightedge or ruler
Printable instructions for drawing a perpendicular to a line through a point with compass and straightedge or ruler
Printable instructions for drawing a tangent at a point on a circle with compass and straightedge or ruler
Printable instructions for drawing a triangle given two sides and included angle with compass and straightedge or ruler
Printable instructions for drawing an angle with a protractor
Printable instructions for drawing an ellipse with string and pins
Printable instructions for drawing parallel through a point (rhombus method)
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for drawing tangents to a circle from a point with compass and straightedge or ruler
Printable instructions for drawing the circumcircle of a triangle with compass and straightedge or ruler
Printable instructions for drawing the incircle of a triangle with compass and straightedge or ruler
Printable instructions for drawing the medians of a triangle with compass and straightedge or ruler
Printable instructions for finding the center of a circle with any right angled object
Printable instructions for finding the center of a circle with compass and straightedge or ruler
Printable instructions for finding the centroid of a triangle with compass and straightedge or ruler
Printable instructions for finding the foci of an ellipse with compass and straightedge or ruler
Printable instructions for finding the incenter of a triangle with compass and straightedge or ruler
Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler
Printable instructions for measuring an angle using a protractor
Printable step-by-step instructions for adding two angles with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the difference of two given segments with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the sum of given segments with compass and straightedge or ruler
Printable step-by-step instructions for constructing a triangle given two angles and non-included side (AAS) with compass and straightedge or ruler
Printable step-by-step instructions for constructing the difference of two angles with compass and straightedge or ruler
Printable step-by-step instructions for drawing a triangle given two angles and included side with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler - II
Printable strp-by-step instructions for drawing a triangle given three sides with compass and straightedge or ruler
Sum of line segments using compass and straightedge or ruler
Supplementary angle using compass and straightedge or ruler
Continuity
Continuity - Math word definition
Calculus - Formal approach to continuity
Calculus - Informal continuity
Continuous
Continuous - Math word definition
Calculus - making a function continuous and differentiable
Convergence
Convergence - Math word definition
Calculus - Ratio Test
Convex
Convex - math word definition
Convex Polygon Definition
Coordinates
Coordinates - math word definition
Area of any polygon (Coordinate Geometry)
Coordinates of a point
Coordinates of a regular polygon
Distance between points
Equation of a line - point - slope form. (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
Intercept (b) of a line (Coordinate Geometry)
Introduction to Coordinate Geometry
Introduction to Lines in Coordinate Geometry
Line definition (Coordinate Geometry)
Line Segment definition (Coordinate Geometry)
Midpoint Theorem (Coordinate Geometry)
Origin - math word definition
Print blank graph paper
Ray definition (Coordinate Geometry)
Slope (m) of a line (Coordinate Geometry)
Teaching Notes: Limitations of the applets in the coordinate geometry section
The Coordinate Plane
Coplanar
Coplanar - Math word definition
Introduction to plane geometry
Corresponding
Corresponding - math word definition
Corresponding Angles definition
Cos
COS - Math word definition
Cosine - math word definition
Graph of the Cosine function - Trigonometry
The trigonometry arccos() function - inverse cosine - math word definition
Trigonometry Overview
Cosecant
Cosecant - math word definition
Calculus - trigonometric Functions
Introduction to the 6 trigonometry functions
Cosine
Cosine - math word definition
Calculus - trigonometric Functions
Graph of the Cosine function - Trigonometry
Introduction to the 6 trigonometry functions
Proof of the Law of Cosines
SOHCAHTOA - math word definition - Trigonometry
Solving Triangles
The Law of Cosines
The trigonometry arccos() function - inverse cosine - math word definition
Cot
COT - Math word definition
Cotangent - math word definition
Cotangent
Cotangent - math word definition
Calculus - trigonometric Functions
Introduction to the 6 trigonometry functions
Coterminal
Coterminal - math word definition
Counting number
Counting numbers (Whole numbers or natural numbers)
Cardinal numbers (Whole numbers or natural numbers)
Natural number - math word definition
Number - math word definition
Whole number - math word definition
Cpctc
Cpctc - math word definition
Csc
CSC - Math word definition
Cosecant - math word definition
Cube
Cube - math word definition
Surface area of a cube
Volume of a cube
Cubic
Cubic - math word definition
Cubic curve and graph display
Curve
Curve - Math word definition
Calculus - Basic curve analysis
Calculus - Curve Analysis - Global Extrema
Calculus - Curve analysis - special cases
Cyclic
Cyclic - Math word definition
Area of an inscribed quadrilateral
Diagonals of an inscribed quadrilateral
Inscribed (cyclic) quadrilateral
Interior angles of an inscribed quadrilateral
Cylinder
Cylinder definition and properties
Cylinder as the locus of a line
Derivation of the surface area of a cylinder
Oblique cylinder
Relation of a cylinder to a prism
Surface area of a cylinder
Volume of a cylinder
Volume of a cylinder segment
D
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Decagon
Decagon - math word definition
Decay
Decay - Math word definition
Calculus - Growth, Decay, and the Logistic Equation
Decimal notation
Decimal-notation - Math word definition
Number - math word definition
Definite
Definite - Math word definition
Calculus - Properties of Definite Integrals
Degree
Degree - math word definition
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Angle definition and properties (Trigonometry)
Degrees as a unit of angle measure
Radian - math word definition
Denominator
Denominator - math word definition
Derivative
Derivative - Math word definition
Calculus - Basic curve analysis
Calculus - Constant multiples of functions
Calculus - Curve Analysis - Global Extrema
Calculus - Curve analysis - special cases
Calculus - Derivative at a Point
Calculus - derivative combinations: sum and difference
Calculus - Derivative Function
Calculus - Exponential Functions
Calculus - Hyperbolic Functions
Calculus - Invertible Functions
Calculus - Linear Approximations
Calculus - Parametric Derivatives
Calculus - Polar Derivatives
Calculus - Product and Quotient of Functions
Calculus - Related Rates - a melting snowball
Calculus - Table view of the Derivative
Calculus - trigonometric Functions
Diagonal
Diagonal - math word definition
Diagonals of a rectangle
Diagonals of a square
Parallelogram and its properties. (Coordinate Geometry)
Parallelogram diagonals bisect each other
Polygon diagonals
Rectangle and its properties. (Coordinate Geometry)
Rhombus diagonals bisect each other at right angles
Square and its properties. (Coordinate Geometry)
Diagonals
Diagonals - Math word definition
Diagonals of an inscribed quadrilateral
Diameter
Diameter - math word definition
Parts of a circle - Pictorial index
Semicircle - math word definition
Thales theorem
Difference
Difference - Math word definition
Calculus - derivative combinations: sum and difference
Differentiability
Differentiability - Math word definition
Calculus - Differentiability
Differentiable
Differentiable - Math word definition
Calculus - making a function continuous and differentiable
Calculus - Twice differentiable
Differential equation
Differential-equation - Math word definition
Calculus - Euler's Method
Calculus - Introduction to Differential Equations
Calculus - Separation of Variables
Calculus - Slope Fields
Dilate
Dilation - math word definition
Directrix
Directrix - math word definition
Cylinder definition and properties
Parabola definition (focus / directrix form)
Relation of a cylinder to a prism
Distance
Distance - math word definition
Calculus - Approximating Distance Traveled
Distance between points
Distance from a point to a line
Distance from a point to a line using a formula
Distance from a point to a line using trigonometry
Distance from a point to a line using two line equations
Distance from a point to a vertical or horizontal line
Dodecagon
Dodecagon - math word definition
Domain
Domain - math word definition
Function - math word definition
E
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Eccentricity
Eccentricity - Math word definition
Eccentricity an ellipse
Edge
Definition of the math word edge
Ellipse
Ellipse - math word definition
Area enclosed by an ellipse
Circle and ellipse drawing algorithm
Conic section - ellipse
Eccentricity an ellipse
Elliptical mirrors
Finding the foci an ellipse
Foci of an ellipse
General Equation of an Ellipse
How to construct (draw) an ellipse
Major / minor axis of an ellipse
Parametric Equation of an Ellipse
Perimeter of an Ellipse
Semi-major / semi-minor axis of an ellipse
Tangent to an ellipse
Equation
Equation - math word definition
Basic Equation of a Circle
Equation of a line - point - slope form. (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
General Equation of an Ellipse
General form of Equation of a Circle
Parametric Equation of a Circle
Parametric Equation of an Ellipse
Equiangular
Equiangular - math word definition
Regular Polygon - math word definition
Equidistant
Equidistant - math word definition
Equilateral
Equilateral - math word definition
Area of an equilateral triangle
How to construct (draw) an equilateral triangle with compass and straightedge or ruler
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
Euclid
Euclid - math word definition
Constructions Introduction. Drawing shapes with compasses and straightedge
Euler
Euler the mathematician - Math word definition
Calculus - Euler's Method
Euler line
Evt
Calculus - Extreme Value Theorem
Exponent
Exponent - Math word definition
Zero-exponent Rule
Exponential
Exponential - Math word definition
Calculus - Exponential Functions
Exterior angle
Exterior angle - math word definition
Alternate Exterior Angles definition
Exterior Angles - math word definition
Exterior Angles of a Transversal definition
Interior / exterior angles of a polygon
Triangle exterior angle theorem
Triangle exterior angles definition
Extrema
Extrema - Math word definition
Calculus - Curve Analysis - Global Extrema
Extreme
Extreme - Math word definition
Calculus - Extreme Value Theorem
F
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Face
Definition of the math word face
Factor
Factor - Math word definition
Number - math word definition
Prime number - math word definition
Foci
Foci - math word definition
Ellipse - math word definition
Foci of an ellipse
Focus
Focus - math word definition
Ellipse - math word definition
Elliptical mirrors
Finding the foci an ellipse
Foci of an ellipse
Parabola definition (focus / directrix form)
Fraction
Fraction - math word definition
Number - math word definition
Reciprocal - math word definition
Full angle
Full angle - Math word definition
Full Angle - An angle with a measure of 360 deg
Function
Function - math word definition
Calculus - Derivative Function
Calculus - Functions defined using integrals
Calculus - Invertible Functions
Cosine - math word definition
Domain - math word definition
Functions as used in programming languages
Graph of a function
Graph of the Cosine function - Trigonometry
Graph of the Sine function - Trigonometry
Graph of the Tangent function - Trigonometry
Graphical Function Explorer grapher (GFE)
Introduction to the 6 trigonometry functions
Linear function graphical explorer (ax+b)
Linear function graphical explorer (mx+b)
Secant function (sec) - Trigonometry
SOHCAHTOA - math word definition - Trigonometry
The inverse trigonometry functions
The sine function - math word definition
The tangent function in right triangles - Trigonometry
The trigonometry arccos() function - inverse cosine - math word definition
The trigonometry arcsin() function - inverse sine - math word definition
The trigonometry arctan() function - inverse tangent - math word definition
Trigonometry function with large and negative angles
Fundamental
Fundamental - Math word definition
Calculus - Fundamental Theorem of Calculus
G
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Generator
Generator - math word definition
Generatrix
Generatrix - math word definition
Cylinder definition and properties
Relation of a cylinder to a prism
Global
Global - Math word definition
Calculus - Curve Analysis - Global Extrema
Golden rectangle
The Golden Rectangle - math word definition
Graph
Graph of a function
Cubic curve and graph display
Graph of the Cosine function - Trigonometry
Graph of the Sine function - Trigonometry
Graph of the Tangent function - Trigonometry
Graphical Function Explorer grapher (GFE)
How to customize the General Function Explorer (GFE)
Linear function graphical explorer (ax+b)
Linear function graphical explorer (mx+b)
Print blank graph paper
Quadratic curve and graph display (standard form)
Quadratic curve and graph display (vertex form)
Sine waves- math word definition - Trigonometry
When the graph tool seems to produce incorrect results
Growth
Growth - Math word definition
Calculus - Growth, Decay, and the Logistic Equation
H
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Heptagon
Heptagon - math word definition
Heron
Biography of Heron
Area of a triangle given three sides - Heron's Formula
Hexagon
Hexagon - math word definition
How to construct a regular hexagon given one side with compass and straightedge or ruler
How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler
Horizontal
Horizontal - math word definition
Horizontal line definition. (Coordinate Geometry)
Hyperbolic
Hyperbolic - Math word definition
Calculus - Hyperbolic Functions
Hypotenuse
Hypotenuse - math word definition
HL Congruent Triangles
Triangle definition and properties
I
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I
The letter i - math word definition
Complex numbers - animated definition
Imaginary number - math word definition
The letter j - math word definition
Icosahedron
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Identity
Identity - math word definition
Trigonometry identities
Imaginary number
Imaginary number - math word definition
Complex numbers - animated definition
Number - math word definition
Real number - math word definition
The letter i - math word definition
The letter j - math word definition
Improper
Improper - Math word definition
Calculus - Improper Integrals
Incenter
Incenter - math word definition
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
How to construct the incenter of a triangle with compass and straightedge
Incenter coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Incenter of a regular polygon
Triangle Centers Overview
Triangle incenter, description and properties
Triangle incircle definition
Incircle
Incircle - math word definition
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
How to construct the incenter of a triangle with compass and straightedge
Incenter of a regular polygon
Incircle
Incircle of a Polygon
Triangle incircle definition
Included
Included - math word definition
Included angle definition
Included side definition
Inequality
Inequality - Math word definition
Triangle inequality theorem
Triangle inequality theorem converse
Initial
Initial - Math word definition
Initial side - math word definition - Trigonometry
Inradius
Inradius - math word definition
Incircle of a Polygon
Triangle incircle definition
Inscribed
Inscribed - math word definition
Angle inscribed in a semicircle
Arc Peripheral Angle
Constructing a regular pentagon inscribed in a circle
How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler
How to construct a square inscribed in a circle with compass and straightedge or ruler
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
Incircle
Inscribed (cyclic) quadrilateral
Inscribed angle of a circle
Parallelogram inscribed in a quadrilateral
Square inscribed in a circle
Triangle incircle definition
Instantaneous
Instantaneous - Math word definition
Calculus - Instantaneous Velocity
Integer
Integer - math word definition
Number - math word definition
Integral
Integral - Math word definition
Calculus - Functions defined using integrals
Calculus - Improper Integrals
Calculus - Integral Test
Calculus - Polar Area
Calculus - Properties of Definite Integrals
Calculus - Riemann Sums
Integration
Integration - Math word definition
Calculus - Integration By Substitution
Intercept
Intercept - Math word definition
Equation of a line - slope and intercept form. (Coordinate Geometry)
Intercept (b) of a line (Coordinate Geometry)
Intercepted arc
Introduction to Lines in Coordinate Geometry
Interior
Interior - math word definition
Alternate Interior Angles definition
Interior / exterior angles of a polygon
Interior Angles of a transversal definition
Interior angles of an inscribed quadrilateral
Interior of an angle definition
Polygon Interior Angles
Triangle interior angles definition
Intermediate
Intermediate - Math word definition
Calculus - Intermediate Value Theorem
Intersect
Intersect - Math word definition
Intersecting Chord Theorem
Intersecting Secant Angles Theorem
Intersecting Secant Theorem
Intersecting straight lines. (Coordinate Geometry)
Intersection - math word definition
Interval notation
Interval-notation - Math word definition
Number - math word definition
Inverse
Inverse - Math word definition
Calculus - Invertible Functions
The inverse trigonometry functions
Irrational number
Irrational number - math word definition
Number - math word definition
Rational Number - math word definition
Irregular
Irregular - Math word definition
Area of an Irregular Polygon
Irregular polygon - math word definition
Isosceles
Isosceles triangle - math word definition
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler
How to construct an isosceles triangle given base and one side
Ivt
Calculus - Intermediate Value Theorem
J
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J
The letter j - math word definition
Complex numbers - animated definition
Imaginary number - math word definition
The letter i - math word definition
K
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Kite
Kite - math word definition
Area of a Kite
Perimeter of a kite
L
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Lagrange
Lagrange - Math word definition
Calculus - Lagrange Remainder
Law
Law - Math word definition
Proof of the Law of Cosines
Proof of the Law of Sines
Solving Triangles
The Law of Cosines
The Law of Sines
Leg
Leg - Math word definition
Angle - Math word definition
Lhopital
Lhopital - Math word definition
Calculus - L'Hopital's Rule
Limit
Limit - Math word definition
Calculus - 1 and 2-sided limits and no limits
Calculus - Approximating Distance Traveled Using a Graph
Calculus - Instantaneous Velocity
Calculus - Limit Comparison Test
Calculus - limits at infinity
Calculus - Limits: Informal view
Calculus - Tabular view of limits
Limits
Limits - Math word definition
Calculus - Formal view of limits
Line
Line - math word definition
Congruent Lines Definition
Distance from a point to a line
Distance from a point to a line using a formula
Distance from a point to a line using trigonometry
Distance from a point to a line using two line equations
Distance from a point to a vertical or horizontal line
Equation of a line - point - slope form. (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
Euler line
Horizontal - math word definition
Horizontal line definition. (Coordinate Geometry)
Intercept (b) of a line (Coordinate Geometry)
Intersecting straight lines. (Coordinate Geometry)
Intersection - math word definition
Introduction to Lines in Coordinate Geometry
Line definition (Coordinate Geometry)
Line segment bisector definition
Line Segment Definition
Line Segment definition (Coordinate Geometry)
Midpoint Theorem (Coordinate Geometry)
Parallel lines - math word definition
Parallel lines. (Coordinate Geometry)
Perpendicular - math word definition
Perpendicular bisector definition
Perpendicular lines. (Coordinate Geometry)
Ray - math word definition
Reflection - a mirror image of a line segment
Slope (m) of a line (Coordinate Geometry)
Slope (m) of a line (Coordinate Geometry)
Tangent to a circle definition
Transversal - math word definition
Vertical - math word definition
Vertical line definition. (Coordinate Geometry)
Linear
Linear - Math word definition
Calculus - Linear Approximations
Calculus - Motion along a line
Linear function graphical explorer (ax+b)
Linear function graphical explorer (mx+b)
Linear Pair - math word definition
Locus
Locus - math word definition
Cylinder as the locus of a line
Logistic
Logistic - Math word definition
Calculus - Growth, Decay, and the Logistic Equation
M
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Major
Major - Math word definition
Major / minor axis of an ellipse
Major and Minor Arcs
Semi-major / semi-minor axis of an ellipse
Mean
Mean - Math word definition
Calculus - Mean Value Theorem
Measure
Measure - Math word definition
Angle measure of an arc
Median
Median - Math word definition
How to construct (draw) the medians of a triangle
Median of a triangle - math word definition
Trapezoid and its properties. (Coordinate Geometry)
Trapezoid median (midline, midsegment) definition
Midline
Midline - Math word definition
Trapezoid median (midline, midsegment) definition
Midpoint
Midpoint - math word definition
Calculus - Midpoint and Trapezoidal Riemann Sums
How to bisect a segment with compass and straightedge or ruler
Midpoint Theorem (Coordinate Geometry)
Midsegment
Midsegment - Math word definition
How to construct midsegment of a triangle with compass and straightedge or ruler
Trapezoid median (midline, midsegment) definition
Triangle midsegment - math word definition
Minor
Minor - Math word definition
Major / minor axis of an ellipse
Major and Minor Arcs
Semi-major / semi-minor axis of an ellipse
Minus
Minus - Math word definition
Negative number definition - math word definition
Positive number definition - math word definition
Minute
Minute - Math word definition
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Mirror
Mirror - Math word definition
Elliptical mirrors
Motion
Motion - Math word definition
Calculus - Equations of Motion
Calculus - Motion along a line
Calculus - Motion on a Plane
Multiples
Multiples - Math word definition
Calculus - Constant multiples of functions
N
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Natural number
Natural number - math word definition
Cardinal numbers (Whole numbers or natural numbers)
Counting numbers (Whole numbers or natural numbers)
Number - math word definition
Whole number - math word definition
Negative number
Negative number definition - math word definition
Number - math word definition
Positive number definition - math word definition
Uses of negative numbers
Nonagon
Nonagon - math word definition
Normal
Normal - math word definition
Perpendicular - math word definition
Normal form
Normal form - math word definition
Number
Number - math word definition
Calculating percentages
Complex numbers - animated definition
Composite number - math word definition
Imaginary number - math word definition
Integer - math word definition
Natural number - math word definition
Negative number definition - math word definition
Normal form - math word definition
Number line
Ordinal - math word definition
Percent
Percent mistakes
Positive number definition - math word definition
Prime number - math word definition
Real number - math word definition
Scalar - math word definition
Whole number - math word definition
Number line
Number line
Negative number definition - math word definition
Number - math word definition
Positive number definition - math word definition
Real number - math word definition
Numerator
Numerator - math word definition
O
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Oblique
Oblique - math word definition
Cylinder definition and properties
Oblique cylinder
Oblique versus right cone
Oblique versus right pyramid
Prism definition
Oblong
Oblong - Math word definition
Rectangle - math word definition
Obtuse
Obtuse - math word definition
Obtuse Angle definition
Obtuse triangle definition
Octagon
Octagon - math word definition
Opposite
Opposite - Math word definition
Opposite Rays Definition
Vertical Angles definition
Ordinal
Ordinal - math word definition
Ordinate
Ordinate - math word definition
Coordinates of a point
Origin
Origin - math word definition
Introduction to Coordinate Geometry
The Coordinate Plane
Orthocenter
Orthocenter - math word definition
Euler line
How to construct (draw) the orthocenter of a triangle
Orthocenter of a triangle - math word definition
Triangle Centers Overview
Orthogonal
Orthogonal - math word definition
Right Angle - math word definition
Outlier
Outlier - math word definition
P
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Parabola
Parabola - math word definition
Derivation of the equation of a parabola
Parabola definition (conic section) Math Open Reference
Parabola definition (focus / directrix form)
Parabola definition (quadratic equation ) Math Open Reference
Quadratic curve and graph display (standard form)
Parallel
Parallel lines - math word definition
How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method)
How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
How to construct a parallel through a point with compass and straightedge or ruler
Parallel lines. (Coordinate Geometry)
Transversal - math word definition
Parallelogram
Parallelogram - math word definition
Area of a parallelogram. Definition and formula
Derivation of the formula for the area of a parallelogram
Interior angles of a parallelogram
Parallelogram and its properties. (Coordinate Geometry)
Parallelogram diagonals bisect each other
Parallelogram inscribed in a quadrilateral
Perimeter of a parallelogram
Parameter
Parameter - Math word definition
Parametric Equation of a Circle
Parametric Equation of an Ellipse
Parametric
Parametric
Calculus - Parametric Derivatives
Parametric Equation of a Circle
Parametric Equation of an Ellipse
Pentagon
Pentagon - math word definition
Constructing a regular pentagon inscribed in a circle
Percent
Percent
Calculating percentages
Percent mistakes
Perimeter
Perimeter - math word definition
Area and perimeter of a rectangle. (Coordinate Geometry)
Area and Perimeter of a Square. (Coordinate Geometry)
Circumference (perimeter) of a circle definition
Perimeter of a kite
Perimeter of a parallelogram
Perimeter of a polygon
Perimeter of a rectangle
Perimeter of a rhombus
Perimeter of a square
Perimeter of a trapezoid
Perimeter of a triangle
Perimeter of an Ellipse
Relationship of area and perimeter of a triangle
Trapezoid area and perimeter. (Coordinate Geometry)
Peripheral
Peripheral - Math word definition
Arc Peripheral Angle
Perpendicular
Perpendicular - math word definition
How to construct (draw) a perpendicular at a point on a line
How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler
How to construct (draw) a perpendicular from a line through a point
Perpendicular bisector definition
Perpendicular lines. (Coordinate Geometry)
Transversal - math word definition
Pi
Pi - math word definition
Area enclosed by a circle
Area enclosed by an ellipse
Area of an annulus
Derivation of the formula for the circumference of a circle
Plane
Plane - math word definition
Calculus - Motion on a Plane
Coplanar - Math word definition
Introduction to Coordinate Geometry
Introduction to plane geometry
The Coordinate Plane
Platonic solid
Platonic-solid - Math word definition
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Plus
Plus - Math word definition
Negative number definition - math word definition
Positive number definition - math word definition
Point
Point - math word definition
Calculus - Derivative at a Point
Collinear - Math word definition
Coordinates of a point
Distance between points
Distance from a point to a line
Distance from a point to a line using a formula
Distance from a point to a line using trigonometry
Distance from a point to a line using two line equations
Distance from a point to a vertical or horizontal line
Equation of a line - point - slope form. (Coordinate Geometry)
Equidistant - math word definition
Introduction to Coordinate Geometry
Locus - math word definition
Points of concurrency
Reflection - a mirror image of a point
Polar
Polar - Math word definition
Calculus - Polar Area
Calculus - Polar Derivatives
Polygon
Polygon - math word definition
Apothem of a polygon
Area of a polygon algorithm
Area of a polygon calculator
Area of an Irregular Polygon
Area of any polygon (Coordinate Geometry)
Center of a Polygon
Central Angle of a Polygon
Circumcircle of a Regular Polygon
Concave Polygon Definition
Congruent Polygon Tests
Congruent Polygons
Convex Polygon Definition
Coordinates of a regular polygon
Decagon - math word definition
Derivation of the formula for the area of a regular polygon
Dodecagon - math word definition
Exterior Angles - math word definition
Heptagon - math word definition
Hexagon - math word definition
Incenter of a regular polygon
Incircle of a Polygon
Interior / exterior angles of a polygon
Irregular polygon - math word definition
Nonagon - math word definition
Octagon - math word definition
Pentagon - math word definition
Perimeter of a polygon
Polygon diagonals
Polygon Interior Angles
Radius of a Regular Polygon
Regular polygon area formula
Regular Polygon - math word definition
Sides of a Polygon
Similar polygons and triangles defined
Tetragon - math word definition
Triangles of a Polygon
Undecagon - math word definition
Polyhedron
Polyhedron - Math word definition
Definition of the math word edge
Definition of the math word face
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Oblique versus right pyramid
Pyramid - Math word definition
Polynomial
Polynomial - Math word definition
Root (of a polynomial) - math word definition
Position
Position - Math word definition
Calculus - Equations of Motion
Positive number
Positive number definition - math word definition
Negative number definition - math word definition
Number - math word definition
Power
Power - Math word definition
Calculus - Power Functions
Calculus - Power Series
Prime number
Prime number - math word definition
Composite number - math word definition
Number - math word definition
Printable
Printable - Math word definition
Constructing a circle through 3 given points
Printable instructions for bisecting a line with compass and straightedge or ruler
Printable instructions for drawing a 45 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 60 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 90 degree angle with compass and straightedge or ruler
Printable instructions for drawing an equilateral triangle with compass and straightedge or ruler
Printable instructions for finding the altitude of an acute triangle with compass and straightedge or ruler
Printable instructions for finding the altitude of an obtuse triangle with compass and straightedge or ruler
Printable instructions for finding the circumcenter of a triangle with compass and straightedge or ruler
Printable instructions for finding the midsegment of a triangle with compass and straightedge or ruler
Printable instructions for bisecting an angle with compass and straightedge or ruler
Printable instructions for constructing a hexagon given one side.
Printable instructions for constructing a hexagon inscribed in a given circle.
Printable instructions for constructing a pentagon inscribed in a given circle.
Printable instructions for constructing a right triangle with given angle and hypotenuse with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given angle and one leg (LA) with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given leg and hypotenuse with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given leg lengths with compass and straightedge or ruler
Printable instructions for constructing a square inscribed in a circle with compass and straightedge or ruler
Printable instructions for constructing a square of a given side length with compass and straightedge or ruler
Printable instructions for constructing an equilateral triangle inscribed in a given circle.
Printable instructions for constructing an isosceles triangle given a side and apex angle
Printable instructions for constructing one of the two internal tangents to two given circles.
Printable instructions for constructing tangents to two given circles.
Printable instructions for constructing the complementary angle to a given angle with compass and straightedge or ruler
Printable instructions for constructing the supplementary angle to a given angle with compass and straightedge or ruler
Printable instructions for copying a line segment with compass and straightedge or ruler
Printable instructions for copying a triangle with compass and straightedge or ruler
Printable instructions for copying an angle with compass and straightedge or ruler
Printable instructions for dividing a line segment into equal parts with compass and straightedge or ruler
Printable instructions for drawing a 30 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 30-60-90 triangle with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at a point on a line with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at the end of a ray with compass and straightedge or ruler
Printable instructions for drawing a perpendicular to a line through a point with compass and straightedge or ruler
Printable instructions for drawing a tangent at a point on a circle with compass and straightedge or ruler
Printable instructions for drawing a triangle given two sides and included angle with compass and straightedge or ruler
Printable instructions for drawing an angle with a protractor
Printable instructions for drawing an ellipse with string and pins
Printable instructions for drawing parallel through a point (rhombus method)
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for drawing tangents to a circle from a point with compass and straightedge or ruler
Printable instructions for drawing the circumcircle of a triangle with compass and straightedge or ruler
Printable instructions for drawing the incircle of a triangle with compass and straightedge or ruler
Printable instructions for drawing the medians of a triangle with compass and straightedge or ruler
Printable instructions for finding the center of a circle with any right angled object
Printable instructions for finding the center of a circle with compass and straightedge or ruler
Printable instructions for finding the centroid of a triangle with compass and straightedge or ruler
Printable instructions for finding the foci of an ellipse with compass and straightedge or ruler
Printable instructions for finding the incenter of a triangle with compass and straightedge or ruler
Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler
Printable instructions for measuring an angle using a protractor
Printable step-by-step instructions for adding two angles with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the difference of two given segments with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the sum of given segments with compass and straightedge or ruler
Printable step-by-step instructions for constructing a triangle given two angles and non-included side (AAS) with compass and straightedge or ruler
Printable step-by-step instructions for constructing the difference of two angles with compass and straightedge or ruler
Printable step-by-step instructions for drawing a triangle given two angles and included side with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler - II
Printable strp-by-step instructions for drawing a triangle given three sides with compass and straightedge or ruler
Prism
Prism definition
Relation of a cylinder to a prism
Surface area of a prism
Volume of a triangular prism
Problems
Problems - Math word definition
Many triangles answer
Many triangles II answer
The 'Ball Box' math problem
The 'Many Triangles' math problem #1
The 'Many Triangles' math problem #2
The 'Three Satellites' triangle math problem
Trigonometry problems - Slant distance
Trigonometry problems - Slope angle
Product
Product - Math word definition
Calculus - Product and Quotient of Functions
Proof
Proof - Math word definition
Proof of the Law of Cosines
Proof of the Law of Sines
Pythagorean Theorem Proof
Protractor
Protractor - math word definition
How to use a protractor to draw an angle
How to use a protractor to measure angles
Ptolemy
Ptolemy
Diagonals of an inscribed quadrilateral
Pyramid
Pyramid - Math word definition
Comparison of a cone and pyramid
Oblique versus right pyramid
Surface area of a pyramid
Volume of a pyramid
Pythagoras
Biography of Pythagoras - math word definition
30-60-90 triangle definition
3:4:5 triangle definition
45-45-90 triangle definition
Distance between points
Pythagorean Theorem - math word definition
Pythagorean Theorem Proof
Pythagorean triples triangle definition
Solving Triangles
Solving Triangles using Trigonometry
Trigonometry introduction - math word definition
Pythagorean
Pythagorean - Math word definition
Pythagorean Theorem - math word definition
Pythagorean Theorem Proof
Pythagorean triples triangle definition
Q
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Qed
Q.E.D. - math word definition
Quadrangle
Quadrangle - Math word definition
Quadrilateral (also: tetragon, quadrangle) - math word definition
Rectangle - math word definition
Square - math word definition
Quadrant
Quadrant - math word definition
The Coordinate Plane
Quadrantal
Quadrantal - Math word definition
Quadrantal angle - math word definition - Trigonometry
Quadratic
Quadratic - Math word definition
Quadratic curve and graph display (standard form)
Quadratic curve and graph display (vertex form)
Quadrilateral
Quadrilateral (also: tetragon, quadrangle) - math word definition
Area of a Kite
Area of an inscribed quadrilateral
Diagonals of an inscribed quadrilateral
Inscribed (cyclic) quadrilateral
Interior angles of an inscribed quadrilateral
Kite - math word definition
Parallelogram - math word definition
Parallelogram inscribed in a quadrilateral
Rectangle - math word definition
Rhombus - math word definition
Square - math word definition
Trapezium - math word definition
Trapezoid - math word definition
Quiz
Quiz - Math word definition
Angle Quiz 1
Triangle Quiz 1
Quotient
Quotient - math word definition
Calculus - Product and Quotient of Functions
R
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Radians
Radian - math word definition
Angle definition and properties (Trigonometry)
Degrees as a unit of angle measure
Radical
Radical - math word definition
Radical sign or symbol - math word definition
Root (of a number) - math word definition
Radical sign
Radical sign or symbol - math word definition
Radicand
Radicand - math word definition
Radical - math word definition
Radical sign or symbol - math word definition
Root (of a number) - math word definition
Radius
Radius of a circle - math word definition
Circumcircle of a Regular Polygon
Circumference (perimeter) of a circle definition
Derivation of the arc radius formula
Parts of a circle - Pictorial index
Radius of a Regular Polygon
Radius of an Arc or Arch
Semicircle - math word definition
Range
Range of a function
Function - math word definition
Rate
Rate - Math word definition
Calculus - Related Rates - a melting snowball
Ratio
Ratio - math word definition
Calculus - Ratio Test
Rational number
Rational Number - math word definition
Irrational number - math word definition
Number - math word definition
Ray
Ray - math word definition
Opposite Rays Definition
Ray definition (Coordinate Geometry)
Real number
Real number - math word definition
Complex numbers - animated definition
Imaginary number - math word definition
Number - math word definition
Reciprocal
Reciprocal - math word definition
Rectangle
Rectangle - math word definition
Area and perimeter of a rectangle. (Coordinate Geometry)
Area of a rectangle. Definition and formula
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Diagonals of a rectangle
Perimeter of a rectangle
Rectangle and its properties. (Coordinate Geometry)
Rectangles and International paper sizes
The Golden Rectangle - math word definition
Reference angle
Reference angle
Reflect
Reflection - math word definition
Reflected Congruent Triangles
Reflection - a mirror image of a line segment
Reflection - a mirror image of a point
Reflex angle
Reflex Angle definition
Regular
Regular - Math word definition
Regular polygon area formula
Regular Polygon - math word definition
Remainder
Remainder - Math word definition
Prime number - math word definition
Revolution
Revolution - Math word definition
Calculus - Volumes of Revolution
Rhombus
Rhombus - math word definition
How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method)
Perimeter of a rhombus
Rhombus area formula
Rhombus diagonals bisect each other at right angles
Riemann
Riemann - Math word definition
Calculus - Midpoint and Trapezoidal Riemann Sums
Calculus - Riemann Sums
Riemann sum
Riemann-sum - Math word definition
Calculus - Midpoint and Trapezoidal Riemann Sums
Calculus - Riemann Sums
Right
Right - Math word definition
Oblique versus right cone
Oblique versus right pyramid
Pythagorean Theorem - math word definition
Right Angle - math word definition
Right triangle definition
Right angle
Right-angle - Math word definition
How to construct a 90 degree angle with compass and straightedge or ruler
Perpendicular - math word definition
Root
Root - math word definition
Radical - math word definition
Radical sign or symbol - math word definition
Radicand - math word definition
Root (of a number) - math word definition
Root (of a polynomial) - math word definition
Rotate
Rotation - math word definition
Rotated Congruent Triangles
Rounding
Rounding - Math word definition
Integer - math word definition
Ruler
Construction - math word definition
Constructions Introduction. Drawing shapes with compasses and straightedge
List of construction worksheets
S
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Sagitta
Sagitta definition, the height, width, radius of an arc
Parts of a circle - Pictorial index
Radius of an Arc or Arch
Sas
Sas - Math word definition
Area of a triangle (Side-angle-side method)
SAS Congruent Triangles
Scalar
Scalar - math word definition
Number - math word definition
Scalene
Scalene triangle - math word definition
Scientific notation
Scientific-notation - Math word definition
Normal form - math word definition
Number - math word definition
Sec
SEC - Math word definition
Secant function (sec) - Trigonometry
Secant
Secant - math word definition
Calculus - trigonometric Functions
Chord - Math word definition
Intersecting Secant Angles Theorem
Intersecting Secant Theorem
Introduction to the 6 trigonometry functions
Parts of a circle - Pictorial index
Secant function (sec) - Trigonometry
Secant of a circle definition
Second
Second - Math word definition
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Calculus - Second Fundamental Theorem of Calculus
Second derivative
Second-derivative - Math word definition
Calculus - Second Derivative
Calculus - Table view of second derivative
Sector
Sector - Math word definition
Area of a sector of a circle
Parts of a circle - Pictorial index
Sector definition
Segment
Segment of a Circle
Area of a circle segment
Area of a circle segment
Copying a line segment with compass and straightedge or ruler
Copying a line segment with compass and straightedge or ruler
Difference of two line segments using compass and straightedge or ruler
Dividing a line segment into N equal parts with compass and straightedge or ruler
Line Segment Definition
Line Segment definition (Coordinate Geometry)
Midpoint Theorem (Coordinate Geometry)
Parts of a circle - Pictorial index
Radius of an Arc or Arch
Sum of line segments using compass and straightedge or ruler
Volume of a cylinder segment
Semi
Semi - Math word definition
Semi-major / semi-minor axis of an ellipse
Semicircle
Semicircle - math word definition
Angle inscribed in a semicircle
Separation
Separation - Math word definition
Calculus - Separation of Variables
Sequence
Sequence - Math word definition
Calculus - Sequences
Series
Series - Math word definition
Calculus - Alternating Series Test
Calculus - Power Series
Calculus - Series
Side
Side - Math word definition
Adjacent sides definition
Included side definition
Relationship of side lengths and angles of a triangle
SAS Triangle similarity test
Sides of a Polygon
SSS Congruent Triangles
SSS Triangle similarity test
Sign
Sign - Math word definition
Negative number definition - math word definition
Positive number definition - math word definition
Similar
Similar - Math word definition
AAA Triangle similarity test
SAS Triangle similarity test
Similar polygons and triangles defined
Similar Triangles
SSS Triangle similarity test
Triangle similarity, ratios of area
Triangle similarity, ratios of parts
Sin
SIN - Math word definition
Graph of the Sine function - Trigonometry
Sine waves- math word definition - Trigonometry
The sine function - math word definition
The trigonometry arcsin() function - inverse sine - math word definition
Trigonometry Overview
Sine
The sine function - math word definition
Calculus - trigonometric Functions
Graph of the Sine function - Trigonometry
Introduction to the 6 trigonometry functions
Proof of the Law of Sines
SOHCAHTOA - math word definition - Trigonometry
Solving Triangles
The Law of Sines
The trigonometry arcsin() function - inverse sine - math word definition
Slant height
Slant height of a right cone
Slope
Calculus - Antiderivatives from Slope
Calculus - Slope Fields
Equation of a line - point - slope form. (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
Introduction to Lines in Coordinate Geometry
Slope (m) of a line (Coordinate Geometry)
Sohcahtoa
SOHCAHTOA - math word definition - Trigonometry
Solving
Solving - Math word definition
Solving Triangles using Trigonometry
Trigonometry introduction - math word definition
Trigonometry problems - Slant distance
Trigonometry problems - Slope angle
Speed
Speed - Math word definition
Calculus - Equations of Motion
Sphere
Sphere - Math word definition
Surface area of a sphere
Volume of a sphere
Square
Square - math word definition
Area and Perimeter of a Square. (Coordinate Geometry)
Area of a square. Definition and formula
Diagonals of a square
How to construct (draw) a square
How to construct a square inscribed in a circle with compass and straightedge or ruler
Perimeter of a square
Square and its properties. (Coordinate Geometry)
Square inscribed in a circle
Standard
Standard - Math word definition
General form of Equation of a Circle
Standard position of an angle definition - Trigonometry
Statistics
Statistics - Math word definition
Outlier - math word definition
Straight
Straight - Math word definition
Straight Angle definition
Straightedge
Straightedge - Math word definition
Construction - math word definition
Constructions Introduction. Drawing shapes with compasses and straightedge
List of construction worksheets
Substitution
Substitution - Math word definition
Calculus - Integration By Substitution
Subtended
Subtended - Math word definition
Subtended angle definition
Sum
Sum - Math word definition
Calculus - derivative combinations: sum and difference
Supplementary
Supplementary - Math word definition
Interior angles of an inscribed quadrilateral
Supplementary angle using compass and straightedge or ruler
Supplementary Angles definition
Surd
Surd - math word definition
Surface area
Surface area of 3D solid shapes with formula and links to other pages - Math Open Reference.
Derivation of the surface area of a cylinder
Surface area of a cube
Surface area of a cylinder
Surface area of a prism
Surface area of a right cone
T
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Tan
TAN - Math word definition
Graph of the Tangent function - Trigonometry
The tangent function in right triangles - Trigonometry
The trigonometry arctan() function - inverse tangent - math word definition
Trigonometry Overview
Tangent
Tangent - math word definition
Calculus - trigonometric Functions
Graph of the Tangent function - Trigonometry
How to construct (draw) tangents to a circle through an external point
How to construct (draw) the two external tangents to two given circles
How to construct (draw) the two internal tangents to two given circles
How to construct a tangent to a circle at a point
Introduction to the 6 trigonometry functions
Parts of a circle - Pictorial index
SOHCAHTOA - math word definition - Trigonometry
Tangent to a circle definition
Tangent to an ellipse
The tangent function in right triangles - Trigonometry
The trigonometry arctan() function - inverse tangent - math word definition
Taylor series
Calculus - Taylor series and Polynomials
Teaching notes
Teaching-notes - Math word definition
Teaching Notes: Limitations of the applets in the coordinate geometry section
Terminal
Terminal - Math word definition
Coterminal - math word definition
Terminal side definition - Trigonometry
Test
Test - Math word definition
Calculus - Alternating Series Test
Calculus - Comparison Test
Calculus - Integral Test
Calculus - Limit Comparison Test
Calculus - Ratio Test
Tetragon
Tetragon - math word definition
Quadrilateral (also: tetragon, quadrangle) - math word definition
Thales
Biography of Thales - math word definition
Thales theorem
Theorem
Theorem - Math word definition
Biography of Pythagoras - math word definition
Biography of Thales - math word definition
Calculus - Fundamental Theorem of Calculus
Calculus - Second Fundamental Theorem of Calculus
Central Angle Theorem
Pythagorean Theorem - math word definition
Thales theorem
Triangle exterior angle theorem
Triangle inequality theorem
Triangle inequality theorem converse
Time
Time - Math word definition
24 hour time calculator
Tools
Tools - Math word definition
Cubic curve and graph display
Linear function graphical explorer (ax+b)
Linear function graphical explorer (mx+b)
Quadratic curve and graph display (standard form)
Quadratic curve and graph display (vertex form)
Transform
Transform - Math word definition
Calculus - Transformations of Functions
Dilation - math word definition
Reflection - a mirror image of a line segment
Reflection - a mirror image of a point
Reflection - math word definition
Rotation - math word definition
Translation - math word definition
Translate
Translation - math word definition
How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
Transversal
Transversal - math word definition
Exterior Angles of a Transversal definition
Interior Angles of a transversal definition
Trapezium
Trapezium - math word definition
Trapezoid
Trapezoid - math word definition
Area of a trapezoid. Definition and formula
Calculus - Midpoint and Trapezoidal Riemann Sums
Derivation of the formula for the area of a trapezoid
Perimeter of a trapezoid
Trapezoid and its properties. (Coordinate Geometry)
Trapezoid area and perimeter. (Coordinate Geometry)
Trapezoid median (midline, midsegment) definition
Triangle
Triangle definition and properties
30-60-90 triangle definition
3:4:5 triangle definition
45-45-90 triangle definition
AAA Doesn't work
AAA Triangle similarity test
AAS Congruent Triangles
Acute triangle definition
Altitude of a triangle
Area of a triangle (conventional method)
Area of a triangle (Coordinate Geometry)
Area of a triangle (Side-angle-side method)
Area of a triangle given three sides - Heron's Formula
Area of a triangle using the box method (Coordinate Geometry)
Area of an equilateral triangle
ASA Congruent Triangles
Base - Math word definition
Centroid coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Circumcircle of a Triangle
Classification of triangles
Congruent Triangles
Congruent triangles with a common side
Construct an isosceles triangle with given leg and apex angle with compass and straightedge or ruler
Copying a triangle with compass and straightedge or ruler
Equiangular - math word definition
Equilateral - math word definition
Euler line
HL Congruent Triangles
How to construct a triangle given two angles and a non-included side
How to construct a triangle given two angles and the included side
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct the centroid of a triangle with compass and straightedge or ruler
How to construct (draw) a right triangle with a given leg and hypotenuse (HL)
How to construct (draw) a right triangle with a given one angle and hypotenuse (HA)
How to construct (draw) a right triangle with a given one angle and one leg (LA)
How to construct (draw) a right triangle with two given leg lengths (LL)
How to construct (draw) a triangle given three sides
How to construct (draw) an equilateral triangle with compass and straightedge or ruler
How to construct (draw) one of the three altitudes of a triangle
How to construct (draw) one of the three altitudes of a triangle
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
How to construct (draw) the medians of a triangle
How to construct (draw) the orthocenter of a triangle
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler
How to construct a 30-60-90 triangle with compass and straightedge or ruler
How to construct a triangle given two sides and the included angle
How to construct an isosceles triangle given base and one side
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
How to construct circumcenter of a triangle with compass and straightedge or ruler
How to construct midsegment of a triangle with compass and straightedge or ruler
How to construct the incenter of a triangle with compass and straightedge
Hypotenuse - math word definition
Incenter coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Isosceles triangle - math word definition
Median of a triangle - math word definition
Obtuse triangle definition
Orthocenter of a triangle - math word definition
Perimeter of a triangle
Points of concurrency
Pythagorean Theorem - math word definition
Pythagorean Theorem Proof
Pythagorean triples triangle definition
Reflected Congruent Triangles
Relationship of area and perimeter of a triangle
Relationship of side lengths and angles of a triangle
Right triangle definition
Rotated Congruent Triangles
SAS Congruent Triangles
SAS Triangle similarity test
Scalene triangle - math word definition
Similar Triangles
Solving Triangles
Solving Triangles using Trigonometry
SSA doesn't work
SSS Congruent Triangles
SSS Triangle similarity test
The Law of Cosines
The Law of Sines
Triangle Centers Overview
Triangle centroid definition
Triangle Circumcenter definition
Triangle exterior angle theorem
Triangle exterior angles definition
Triangle incenter, description and properties
Triangle incircle definition
Triangle inequality theorem
Triangle inequality theorem converse
Triangle interior angles definition
Triangle midsegment - math word definition
Triangle Quiz 1
Triangle similarity, ratios of area
Triangle similarity, ratios of parts
Triangles of a Polygon
Trigonometry introduction - math word definition
Volume of a triangular prism
Trigonometry
Angle definition and properties (Trigonometry)
Calculus - Derivative at a Point
Calculus - Table view of the Derivative
Calculus - trigonometric Functions
Cosine - math word definition
Coterminal - math word definition
Graph of the Cosine function - Trigonometry
Graph of the Sine function - Trigonometry
Graph of the Tangent function - Trigonometry
Initial side - math word definition - Trigonometry
Introduction to the 6 trigonometry functions
Quadrantal angle - math word definition - Trigonometry
Reference angle
Secant function (sec) - Trigonometry
SOHCAHTOA - math word definition - Trigonometry
Solving Triangles using Trigonometry
Standard position of an angle definition - Trigonometry
Terminal side definition - Trigonometry
The inverse trigonometry functions
The sine function - math word definition
The tangent function in right triangles - Trigonometry
The trigonometry arccos() function - inverse cosine - math word definition
The trigonometry arcsin() function - inverse sine - math word definition
The trigonometry arctan() function - inverse tangent - math word definition
Trigonometry function with large and negative angles
Trigonometry identities
Trigonometry introduction - math word definition
Trigonometry Overview
Trigonometry problems - Slant distance
Trigonometry problems - Slope angle
Triples
Triples - Math word definition
Pythagorean triples triangle definition
U
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Undecagon
Undecagon - math word definition
Unit
Unit - Math word definition
Number - math word definition
Unit circle
Unit circle - math word definition
Parametric Equation of a Circle
V
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Velocity
Velocity - Math word definition
Acceleration - math word definition
Calculus - Approximating Distance Traveled
Calculus - Approximating Distance Traveled Using a Graph
Calculus - Instantaneous Velocity
Calculus -Average velocity and speed
Vertex
Vertex - math word definition
Angle - Math word definition
Quadratic curve and graph display (vertex form)
Triangle definition and properties
Vertical
Vertical - math word definition
Vertical Angles definition
Vertical line definition. (Coordinate Geometry)
Vertices
Vertex - math word definition
Volume
Volume - math word definition
Calculus - Maximizing volume
Calculus - Volumes of Known Cross Sections
Calculus - Volumes of Revolution
Oblique cylinder
Volume of a cube
Volume of a cylinder
Volume of a cylinder segment
Volume of a pyramid
Volume of a right cone
Volume of a sphere
Volume of a triangular prism
W
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Whole number
Whole number - math word definition
Cardinal numbers (Whole numbers or natural numbers)
Counting numbers (Whole numbers or natural numbers)
Natural number - math word definition
Number - math word definition
Worksheet
Worksheet - Math word definition
List of construction worksheets
X
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X axis
X-axis definition
Y-axis definition
Y
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Y axis
Y-axis definition
X-axis definition
Z
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Zero exponent rule
Zero-exponent Rule
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