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# Vocab. Math

### Chapter 1 and 2

TermDefinition
Integer The set of whole numbers and their opposites
Absolute Value The distance between a number and 0 on a number line
Opposites Two numbers that are the same distance from 0 on a number line, but on opposite sides of 0
Additive Inverse The opposite of a number
Associative Property of Addition Changing the grouping of addends does not change the sum
Associative Property of Multiplication Changing the grouping factors does not change the product
Commutative Property of Addition Changing the order of addends does not change the sum
Commutative Property of Multiplication Changing the order of factors does not change the product
Distribute Property To multiply a sum of difference by a number, multiply each number in the sum of difference by the number outside the parentheses. Then evaluate.
Order of operations The order in which to perform operations when evaluating expressions with more than one operations
Rational Number A number that can be written as a/b where a and b are integers and b ≄ 0
Whole Number The numbers 0, 1, 2, 3, 4, ...
Terminating Decimal A decimal that ends
Repeating Decimal A decimal that has a pattern that repeats
Created by: chloephillips23