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# Vocab Math Grd 7

Integer the set of whole numbers and their opposites
absolute value the distance between a number and 0 on a number line; the absolute value of a number a is written as “a”
opposites two numbers that are the same distance from 0 on a number line , but opposite sides of 0
adding inverse the opposite of a number; the additive inverse of 8 is -8
associative property of addition changing the group of addends does not change the sum.
associative property of multipacation changing the grouping of factors does not change the product
commutative property of addition changing the order of addends does not change the sum
commutative property of multipacation changing the order of factors does not change the product
distributive property to multiply a sum or difference by a number, multiply each number in the sum or difference by the number outside the parentheses. Then evaluate.
order of operations the order in which to perform operations when evaluating expressions with one or more operations