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Associative Property of Multiplication

changing the grouping of factors will not change the product, (ab)c = a(bc)

combination

the result of joining two or more things

Distributive Property of Multiplication

To multiply a sum by a number, you can multiply each addend by the same number and add the products...for a, b, and c, a(b + c) = ab + bc, Ex: 3(4+2)=(3x4)+(3x2),

tree diagram

a diagram used to show the total number of possible outcomes of an event

variable

A symbol or letter that stands for an unknown number

divide

to separate into groups

dividend

the number that is to be divided in a division problem

divisor

the number by which a dividend is divided

inverse operations

opposite operations that undo each other; add and subtract or multiply and divide

quotient

the answer to a division problem

factor

a number that is multiplied by another number to find a product

multiply

when you combine equal groups to find out how many in all

remainder

the number left over when division is completed

product

the answer to a multiplication problem