Chapter 4

commutative property of addition

Changing the order of the addends does not change the sum.

commutative property of multiplication

Changing the order of the factors does not change the product.

Order of Operations (PEMDAS)

Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction

factor

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

addend

Any number being added.

associative property of multiplication

Changing the grouping of three or more factors does not change the product.

product

multiply

times

multiply

decreased

subtraction

difference

subtraction

less than

subtraction

product

the answer to a multiplication problem

sum

the answer to an addition problem

associative property of addition

the grouping of the addends does not change the sum

distributive property of multiplication

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

quotient

the result of division

increase

to add

more than

to add