Properties of Operations

a + b + c = b + a + c

Commutative Property of Addition

a x b = b x a

Commutative Property of Multiplication

(a + b) + c = a + (b + c)

Associative Property of Addition

(a x b) x c = a x (b x c)

Associative Property of Multiplication

a(b + c) = ab + ac

Distributive Property

a + 0 = a

Additive Identity

a x 1 = a

Multiplicative Identity

a + (-a) = 0

Additive Inverse

a x 1/a = 1

Multiplicative Inverse

a x 0 = 0

Multiplicative Property of Zero

0 = 13 x 0

Multiplicative Property of Zero

3/5 x 5/3 = 1

Multiplicative Inverse

0 = -11 + 11

Additive Inverse

15 = 1 x 15

Multiplicative Identity

7 + k + 0 = 7 + k

Additive Identity

3 x 5 + 3 x 7 = 3(5 + 7)

Distributive Property

10(y + 5) = 10y + 10 x 5

Distributive Property

3 x (4 x 5) = (3 x 4) x 5

Associative Property of Multiplication

(12 + 2) + 4 = 12 + (2 + 4)

Associative Property of Addition

5(x + 4) = (x + 4)(5)

Commutative Property of Multiplication

2(5 x 7) = 2(7 x 5)

Commutative Property of Multiplication

6(3 + 9) = 6(9 + 3)

Commutative Property of Addition

(15 + 3) + 8 = 8 + (15 + 3)

Commutative Property of Addition

You can add numbers in any order

Commutative Property of Addition

You can change the grouping of numbers in an addition problem

Associative Property of Addition

You can multiply numbers in any order

Commutative Property of Multiplication

You can change the grouping of numbers in a multiplication problem

Associative Property of Multiplication

Share multiplication over all terms in the parentheses

Distributive Property

the sum of a number and its opposite will always equal zero

Additive Inverse

a number times its reciprocal will always equal one

Multiplicative Inverse

zero added to a number will not change the number

Additive Identity

a number times one equals itself

Multiplicative Identity

any number times zero equals zero

Multiplicative Property of Zero