Number Properties Review

Which property justifies the work in this solution?

• Distributive Property

• Associative Property of Addition

• Commutative Property of Addition

• Commutative Property of Multiplication

The Commutative Property of Addition would say
2n + 4 = _______

• 2(n + 2)

• n2 + 4

• 4 + 2n

• 2n + 4

Which property of real numbers was used to get from Step 3 to Step 4?

• Multiplication Property of Equality

• Addition Property of Equality

• Multiplicative Inverse Property

• Commutative Property

What is the reciprocal of 2/3?

• -2/3

• 3/2

• -3/2

• 2/3

Which property justifies the work from Step 2 to Step 3?

• Addition Property of Equality

• Additive Inverse Property

• Identity Property of Addition

• Zero Product Property

Pick the answer that is an example of the Multiplicative Identity Property.

• 5 ⋅ 0 = 0

• 5 ⋅ 1/5 = 1

• 5 ⋅ 1 = 5

• 5 + 0 = 5

Which property justifies the work in solving this equation?

• Distributive Property

• Commutative Property

• Identity Property

• Associative Property

Commutative Property can be used when performing which two operations?

• addition and subtraction

• addition and multiplication

• subtraction and division

• multiplication and division

Which of these illustrates the Associative Property of Multiplication?

• 4 ⋅ (5 ⋅ 6) = (4 ⋅ 5) ⋅ 6

• 6 (9 + 1) = (6 ⋅ 9) + (6 ⋅ 1)

• 4 (56) = (45) 6

• 5 + 0 = 0 + 5

This property tells us that you can move the parentheses when you are multiplying and the answer will not change.

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Property of Addition

• Commutative Property of Multiplication