Properties of Real Numbers

What property is this?
9(b + 0.5) = 9b + 4.5

• Commutative
• Associative
• Distributive
• Additive Inverse

What property is this?
77+(8+3) = (8+3)+77

• Commutative
• Associative
• Additive Identity
• Distributive

What property is this?
(a+13)+4 = a+(13+4)

• Associative
• Commutative
• Additive Identity
• Distributive

Which of the following is an example of the ASSOCIATIVE PROPERTY OF ADDITION?

• 11 + (8 + 3) = 11 + (3 + 8)
• (20 + 0.5) + 3 = 20 + (0.5 + 3)
• 5(7 + 2) = 5(7) + 5(2)
• 3 x (5 x 4) = (3 x 5) x 4

Fill in the blank to properly solve the DISTRIBUTIVE PROPERTY:
7(12 - 4) = 84 - _

• 3
• 4
• 7
• 28

What property is this?
(n+13) + 4 = n + (13+4)

• Associative Property
• Commutative Property
• Additive Identity
• Distributive Property

Fill in the blank to properly show the DISTRIBUTIVE PROPERTY:

7(11 + 4) = 77 + ____

• 3

• 4

• 7

• 28

The Distributive Property would say
3(a + 2b) = ______

• 3(2b + a)
• (a + 2b)3
• 3a + 2b
• 3a + 6b

Tags

CCSS.7.NS.A.1D

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

• 2(n + 2)
• n2 + 4
• 4 + 2n
• 2n + 4

What property is this?
77+(8+3) = (8+3)+77

• Commutative
• Associative
• Additive Identity
• Distributive