Solving Using Number Properties

Name the property.
2x + 22 = 2(x + 11)

• Associative Property

• Commutative Property

• Distributive Property

• Identity Property

What is the multiplicative inverse of 2/3?

• -2/3

• 3/2

• -3/2

• 2/3

This is an example of which property:
(2⋅3)4=2⋅3⋅4

• Associative

• Commutative

• Inverse

• Identity

Identify the property
a(b + c) = ab + ac

• Associative of addtion

• Distributive

• Commutative of addition

• Inverse

Which property does this represent:

7(x + 9)= 7x + 63

• Commutative Property of Addition

• Distributive Property

• Associative Property of Addition

• Associative Property of Multiplication

What property allows this statement to be true? ab = ba

• Associative Property of Multiplication

• Distributive Property

• Commutative Property of Multiplication

• Associative Property of Addition

The way in which three numbers are grouped when they are added or multiplied does not change their sum or product.

• Associative Property

• Commutative Property

• Inverse Property

• Identity Property

Leighandra was multiplying  4( 2 1/2).  Instead of changing the mixed number to an improper fraction.  She did 4(2) + 4(1/2).  What property did she use?

• Associative

• Commutative

• Distributive

• inverse

Madeline is solving the following problem: -2 + 4 + -5 + 6+ -7 She rewrote the problem to be (4+6)+(-2+-5+-7). What property did she use to rewrite the problem?

• Associative

• Commutative

• Distributive

• Inverse

Giuseppe was solving the problem:
He changed the problem to:

What property did Giuseppe use?

• Associative

• Commutative

• Distributive

• Inverse