Key Properties of Addition & Multiplication

Front

Commutative Property (Addition)

Back

a + b = b + a

Front

Commutative Property (Multiplication)

Back

a × b = b × a

Front

Associative Property (Addition)

Back

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

Front

Associative Property (Multiplication)

Back

(a × b) × c = a × (b × c)

Front

Identity Property (Addition)

Back

a + 0 = a

Front

Identity Property (Multiplication)

Back

a × 1 = a

Front

Distributive Property

Back

a × (b + c) = a × b + a × c

Front

Zero Property (Multiplication)

Back

a × 0 = 0

Front

Inverse Property (Addition)

Back

a + (-a) = 0

Front

Inverse Property (Multiplication)

Back

a × (1/a) = 1, a ≠ 0