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mean

a measure of central tendency often referred to as average

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division

the inverse operation of multiplication

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equal

having the same value

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equation

a mathematical sentence relating two mathematical expressions with an equal sign

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fraction

a number expressed in the form a/b where a and b are whole numbers

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integers

the set of numbers

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measure of central tendency

mean, median, mode

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median

the middle number of a set of data.

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mode

the number or numbers that show up the most in a set of data

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negative numbers

numbers that are less than 0

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number line

a diagram representing all real numbers as points on a line

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numberical order

to write numbers from smallest to largest

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range

the difference between the least and greatest pieces of data

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scale

an arrangement of numbers in uniform intervals

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solution

any value for a variable that makes an equation true

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stem and leaf plot

a frequency distribution made by arranging the data

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variable

a symbol or letter that stands for a number

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