commutative [KOM-yuh-tey-tiv] property of addition
If the order of the addends is changed, the sum stays the same.
commutative property of multiplication
If the order of the factors is changed, the product stays the same.
associative [uh-SOH-see-ey-tiv] property of addition
The way that the addends are grouped does not change the sum.
associative property of multiplication
The way that the factors are grouped does not change the product.
distributive [dih-STRIB-yuh-tiv] property
Multiplying a sum by a number equals multiplying each addend by the number and adding the products.