Properties of Addition and Multiplication

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum. For example, a + b = b + a.

Front

What is the commutative property of multiplication?

Back

The commutative property of multiplication states that changing the order of the factors does not change the product. For example, a × b = b × a.

Front

Give an example of the commutative property of addition.

Back

5 + 3 = 3 + 5.

Front

Give an example of the commutative property of multiplication.

Back

4 × 6 = 6 × 4.

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped does not change their sum. For example, (a + b) + c = a + (b + c).

Front

What is the associative property of multiplication?

Back

The associative property of multiplication states that the way in which numbers are grouped does not change their product. For example, (a × b) × c = a × (b × c).

Front

What is the identity property of addition?

Back

The identity property of addition states that adding zero to any number does not change the number. For example, a + 0 = a.

Front

What is the identity property of multiplication?

Back

The identity property of multiplication states that multiplying any number by one does not change the number. For example, a × 1 = a.

Front

Simplify: 5 + (n + 8)

Back

13 + n.

Front

Simplify: 9y + 7y

Back

16y.