Properties of Real Numbers

What is the multiplicative inverse of 2/3?

• -2/3
• 3/2
• -3/2
• 2/3

Tags

CCSS.6.NS.A.1

What is the additive inverse of 2/3?

• -2/3
• 3/2
• 2/3
• -3/2

Tags

CCSS.7.NS.A.1B

3 + 0 = 3
is an example of which property?

• Multiplicative Inverse
• Additive Identity
• Multiplicative Identity
• Additive inverse

To solve this equation, which property would be useful:
x + 5 = 17

• Multiplicative Inverse
• Additive Identity
• Multiplicative Identity
• Additive inverse

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

• Associative
• Commutative
• Inverse
• Identity

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

• Associative
• Commutative
• Inverse
• Identity

Identify the property
a + 0 = a

• identity of addition
• identity of multiplication
• inverse of addtion
• multiplication of zero

Tags

CCSS.1.OA.B.3

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

• Associative of addtion
• Distributive
• Commutative of addition
• Inverse

Tags

CCSS.3.OA.B.5

Identify the property 
a + (-a) = 0

• Inverse of addition 
• Identity of addtion
• associative of addition 
• symmetric

Tags

CCSS.7.NS.A.1B

Which of the following is irrational?

• Square root of 81
• Square root of 9
• Square root of 144
• Square root of 12

Tags

CCSS.8.NS.A.1