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# Math Chapter 1

### Place Value, Multiplication & Expressions

TermDefinition
base A number used as a repeated factor
distributive property The property that states that multiplying and dividing a sum by a number is the same as multiplying or dividing each addend by the number and then adding the products or quotients. Example: 5 x (7 + 9) = (5 x 7) + (5 + 9)
evaluate To find the value of an expression
exponent A number that tells how many times a base is used as a factor.
inverse operations Opposite operations that undo each other; addition and subtraction are inverse operations; multiplication and division are inverse operations.
numerical expression A mathematical phrase that has numbers and operation signs but NO EQUAL SIGN.
order of operations The process for evaluating expressions.
period Each group of three digits separated by commas in a multi-digit number. Example: 2,345,210 (There are THREE periods in this number)
Created by: kpotvin