###
Absolute Value

the distance of a number from 0 on a number line

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Addition Property of Equality

if a=b then a+c=b+c

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Additive Identity

when you add a number and 0 and the sum is the original number

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Associative Property of Addition

(a+b)+c = a+(b+c)

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Associative Property of Multiplication

(ab)c = a(bc)

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Base

is the repeated factor of a number written in exponential form

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Coefficient

a number that multiplies a variable

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Commutative Property of Addition

a+b = b+a

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Commutative Property of Multiplication

ab = ba

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Composite number

an integer greater than 1 with more than two factors

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Constant

a term that has no variable

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Equation

a math sentence with an = symbol

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Equivalent Fractions

a fraction that describes the same part of a whole

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Exponent

a number that shows how many times a base is used

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Factor

a number that is multiplied by another number to find a product

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GCF

the greatest factor that 2 numbers share

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Identity Property of Addition

sum of a number and zero is that original number

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Identity Property of multiplication

product of a number and zero is that original numer

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Inequality

uses the symbols <, >, or =

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Integer

whole numbers and their opposites

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LCM

the least number that is a common multiple

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Like terms

terms with the same variables raised to the same power

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Mean

sum of a set of data divided by the # of data items

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Median

the middle number of a set of data

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Mode

the number that occurs most often

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Multiplicative Identity

product of a number and 1 is that number

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Order of Operations

PEMDAS

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Ordered Pair

the X and Y coordinates

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Origin

intersection of the X and Y axises

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Outlier

much higher or lower than the other numbers

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Prime Numbers

only factors are 1 and itself

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Reciprocal

two numbers with a product of 1

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Term

a number, variable, or symbol

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Variable

a letter that stands for a number

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Variable Expression

math phrase that uses variables, numbers, and symbols

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X-axis

Horizontal line on a scale

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Y-axis

vertical line on a scale

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