# Sitemap

## Primary Math

### Counting

Counting numbersDigit

Front-end digit

Skip counting

Sum

Total

### Number

Approximate numberBillion

Cardinal numbers

Compatible numbers

Composite number

Even numbers

Expanded form

Fact family

Hundred

Infinity

Integer

Irrational numbers

Million

Natural numbers

Negative

Negative numbers

Nominal numbers

Number line

Number pattern

Number sense

Number sentence

Numerals

Odd numbers

Opposite of a number

Ordinal numbers

Pentagonal number

Perfect number

Period

Place value

Place value chart

Positive numbers

Prime number

Prime numbers list

Rational numbers

Real numbers

Roman numerals

Square number

Thousand

Trillion

Triangular number

Whole number

Word form

### Addition

AddendAddition facts

Addition sentence

Addition table

Additive inverse

Associative property of addition

Commutative property of addition

How to add

Identity property of addition

Missing addend

Repeated addition

### Subtraction

DifferenceMinus

Remainder in subtraction

Subtraction sentence

### Multiplication

Commutative property of multiplicationDouble

How to multiply

Identity property of multiplication

Multiple

Multiplication facts

Multiplication sentence

Multiplication chart

Product

Partial products

Triple

Zero property of multiplication

### Division

DivideDividend

Divisible

Division sentence

Divisibility test

Divisor

How to divide

Least common denominator

Long division

Measurement division

Quotient

Remainder

Sharing

### Fraction

Adding fractionsCommon denominator

Common fraction

Decimal fraction

Decimal mixed number

Denominator

Dividing fractions

Equivalent fractions

Fraction bar

Fractional number

Fraction to decimal

Fraction to percent

Improper fraction

Like fractions

Lowest terms

Mixed number

Multiplying fractions

Numerator

Proper fraction

Reciprocal

Simplest form

Simplify fractions

Subtracting fractions

Terms

Unit fraction

Unlike fractions

### Decimal

Decimal numeration systemDecimal point

Decimal to fraction

Dividing decimals

Hundredth

Multiplying decimals

Non-terminating decimal

Repeating decimal

Standard form of a decimal

Tenth

Terminating decimal

Thousandth

### Percentage

DiscountPercent change

Percent difference

Percent error

Percent increase

Percent to decimal

Sales tax rate

### Data and graphs

AverageBar graph

Chart

Frequency table

Graph

Graph scale

Key

Histogram

Line graph

Line plot

Mean

Median

Mode

Pictograph

Pie chart

Range

### Rules and properties

Ascending orderAssociative property

Attribute

Basic facts

Basic operations

Commutative property

Distributive property

Descending order

Grouping property

Identity element

Inverse operations

Operation

Order of operations

Order property

Parenthesis

PEMDAS

Related facts

Rounding

Symmetric property of equality

Transitive property

### Ratios and proportionality

Equivalent ratiosGolden ratio

Golden rectangle

Map scale

Proportion

Rate

Ratio

Scale drawing

Scale model

### Time

AMAutumn

Century

Clock

Clockwise

Counterclockwise

Day

Date

Days in a year

Decade

Elapsed time

Fall

Hour

Leap year

Midday

Midnight

Millennium

Minute

Minutes to hours

PM

Quarter

Quarter hour

Season

Second

Seconds to hours

Spring

Summer

Timeline

Time zone

Twenty-four-hour clock

Week

Weekday

Weekend

Weeks in a year

Winter

### Length

cmCentimeters to inches

cm to m

cm to mm

Decameter

Decimeter

Depth

Distance

Fathom

Feet in a mile

Feet in a yard

Feet to inches

Foot

Furlong

Hectometer

Height

Inch

Inches in a yard

km

Light year

Meter

Meters to feet

Meters to miles

Mile

mm

mm to cm

Nautical mile

Rod

Width

Yard

### Area

AcreHectare

Square centimeters

Square foot

Square inch

Square kilometer

Square meter

Square mile

Square units

Square yard

### Volume

CapacityCentiliter

Cubic centimeter

Cubic decimeter

Cubic foot

Cubic inch

Cubic meter

Cubic unit

Cubic yard

Cup

Cups in a gallon

Cups in a pint

Cups in a quart

Decaliter

Deciliter

Dry measure

Dry pint

Dry quart

Fluid ounce

Gallon

Kiloliter

Liquid measure

Liter

Liters in a gallon

mL

mL to L

Ounces in a cup

Ounces in a pint

Ounces in a quart

Pint

Pints in a gallon

Pints in a quart

Quart

Quarts in a gallon

Tablespoon

Teaspoon

### Weight

CentigramDecagram

Decigram

Gram

g to kg

Hectogram

kg to g

kg to lbs

Kilogram

Metric ton

Milligram

Ounce

Ounces in a gallon

Ounces in a pound

Pound

Pounds to grams

Pounds to tons

Ton

### Measurement

CelsiusDegree of temperature

Dimensional analysis

Dozen

Equal

Fahrenheit

Gross

Imperial system

kelvin

Latitude

Longitude

Metric system

Scale

SI

Straightedge

Temperature

Unit price

U.S. customary units

### Other

AbacusArray

Arithmetic

Column

Estimate

Mental math

Regrouping

Row

Quantity

## Geometry

### Line

1DBisect

Chord

Collinear

Coplanar

Diagonal

Edge

Endpoint

Horizontal line

Intersect

Intersecting lines

Line of symmetry

Line segment

Parallel lines

Perpendicular

Perpendicular bisector

Perpendicular lines

Ray

Secant

Skew lines

Vertex

Vertical line

### Plane

2D2D-shapes

Cross section

Intersecting planes

Parallel planes

Perpendicular planes

Plane symmetry

### Angle

AcuteAdjacent

Alternate exterior angles

Alternate interior angles

Angle bisector

Complementary

Congruent angles

Corresponding angles

Degree

Goniometer

Linear pair

Oblique

Oblique angle

Obtuse

Protractor

Right angle

Sides of an angle

Straight angle

Supplementary

Vertical angles

### Circle

ArcArea of a circle

Circle formula

Circumference

Compass

Concentric circles

Diameter

Pi

Radius

Semicircle

Sagitta

### Triangle

Acute triangleArea of a triangle

Congruent triangles

Equilateral triangle

Hypotenuse

Isosceles triangle

Obtuse triangle

Perimeter of a triangle

Pythagorean Theorem

Pythagorean triples

Right triangle

Scalene triangle

Types of triangles

Similar triangles

30-60-90 triangle

45-45-90 triangle

### Shape

3D3D-shapes

Altitude

Annulus

Apex

Base

Center

Closed curve

Concentric

Cone

Congruent

Geometric construction

Cube

Cuboid

Cylinder

Decagon

Dimensions

Dodecagon

Dodecahedron

Ellipse

Ellipsoid

Face

Geoboard

Geometric figures

Hemisphere

Heptagon

Hexagon

Icosahedron

Kite

Motif

Nonagon

Octagon

Octahedron

Parallelogram

Pentagon

Pentagram

Plane figure

Polygon

Polyhedron

Prism

Pyramid

Quadrilateral

Rectangle

Rectangular prism

Rhombus

Sector

Side

Similar figures

Space figure

Sphere

Spiral

Square

Symmetry

Tessellation

Tetrahedron

Trapezoid

Triangular prism

### Coordinate plane

0DAxis

Coordinates

Distance formula

Equidistant

Grid

Midpoint

Ordered pairs

Origin

Point

Plotting a point

Quadrant

X and y axis

X axis

X coordinate

Y axis

Y coordinate

### Transformation

DilationReflection

Rotation

Scale factor

Translation

### Area and perimeter

Area formulaArea of a hexagon

Area of a parallelogram

Area of a rectangle

Area of a rhombus

Area of a square

Area of a trapezoid

Perimeter

Perimeter of a rectangle

### Volume and surface area

SolidSurface area

Surface area of a cylinder

Surface area of a sphere

Volume formula

Volume of a cone

Volume of a cube

Volume of a cylinder

Volume of a pyramid

Volume of a sphere

## Algebra

### Variable

Combining like termsConstant

Constant of proportionality

Independent and dependent variables

Direct variation

Inverse variation

### Function

Absolute valueComposite functions

Domain and range

Even and odd functions

Function notation

Function transformations

Inverse function

Parabola

Piecewise functions

Quadratic function

Rational function

Zeros of a function

### Expressions and equations

EqualityEquation

Expression

Simplify

Substitution

Term

### Inequality

Compound inequalitiesInequality symbols

Solving inequalities

### Linear equations

InterceptLinear

Linear regression

Midpoint formula

Point slope form

Slope

Slope formula

Slope intercept form

Standard form

### Solving equations

Completing the squareDiscriminant

Quadratic equation

Quadratic formula

System of equations

Vertex form

### Exponent

ExponentialExponential growth

Exponent rules

Fractional exponents

Negative exponents

Power

### Factoring

FactorCommon factor

Prime factorization

Greatest common factor

Least common multiple

### Sequence

Fibonacci sequenceList of Fibonacci numbers

### Radical

Cube rootRoot

Simplifying radicals

Square root

### Polynomial

BinomialBinomial theorem

Coefficient

Pascal's triangle

Synthetic division

## Trigonometry

### Unit Circle

Degrees to radiansRadian

Radians to degrees

### Trigonometric functions

SineCosine

Tangent

SohCahToa

## Probability and Statistics

### Random variable

Compound eventDependent events

Event

Experiment

### Basic set operations

Mutually exclusive eventsVenn diagram

### Data

ClusteringOutlier

Population

Sample space

Stem and leaf plot

### Permutations and combinations

CombinationFactorial

Permutation

## Calculus

### Limits and continuity

ContinuousIntermediate value theorem

L'hopital's rule

### Derivative

Chain ruleFirst derivative test

Implicit differentiation

Optimization

Partial derivative

Product rule

Quotient rule

Second derivative test

### Vector

Dot productMagnitude

### Integral

Fundamental theorem of calculusRiemann sum

### Matrix

DeterminantCramer's rule

Inverse matrix

Matrix multiplication

Matrix notation

Solving linear systems

Transpose

### Series

Euler's formulaPower series

Taylor series