# Lesson Worksheet: Properties of Operations over the Real Numbers Mathematics • 9th Grade

In this worksheet, we will practice solving problems involving operations and properties of operations on real numbers.

Q1:

Complete .

• A
• B
• C
• D

Q2:

Fill in the blank: .

• A42
• B
• C
• D
• E

Q3:

Fill in the blank: .

• A
• B
• C
• D
• E

Q4:

Which number is the additive identity for the real numbers?

• A
• B1
• C0

Which number is the multiplicative identity for the real numbers?

• A0
• B
• C1

Q5:

Find the multiplicative inverse of .

• A
• B
• C
• D

Q6:

What is the additive inverse of ?

• A
• B
• C
• D

Q7:

Find the additive inverse of .

• A
• B
• C
• D

Q8:

Find the multiplicative inverse of , giving your answer in its simplest form.

• A
• B
• C
• D
• E

Q9:

True or False: .

• ATrue
• BFalse

Is subtraction associative or nonassociative in ?

• ANonassociative
• BAssociative

True or False: .

• ATrue
• BFalse

Is subtraction commutative or noncommutative in ?

• ANoncommutative
• BCommutative

Q10:

True or False: .

• ATrue
• BFalse

Is division associative or nonassociative in ?

• AAssociative
• BNonassociative

True or False: .

• ATrue
• BFalse

Is division commutative or noncommutative in ?

• ACommutative
• BNoncommutative