ch 1 vocab


The property which states that multiplying a sum by a number is the same as multiplying each addend in the number and then adding the products.

distributive property

a number used as a repeated factor


A number that shows how many times the base is used as a factor


To find the value of a numerical or algebraic expression

inverse operations

A mathematical phrase that uses only numbers and operation signs

numerical expression

Opposite operations, or operations that undo each other, such as addition and subtraction or multiplication and division

order of operations

Each group of three digits separated by commas in a multi-digit number


A special set of rules which gives the order in which calculations are done in an expression