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Lesson: Properties of Addition of Rational Numbers

In this lesson, we will learn how to use properties of addition in the set of real numbers and determine the additive inverse.

Sample Question Videos

01:19

Worksheet • 13 Questions • 1 Video

Q1:

Find the additive inverse of 1 2 .

  • A − 1 2
  • B 1 2
  • C − 2
  • D 2

Q2:

Find the additive inverse of − 7 6 .

  • A 7 6
  • B − 7 6
  • C 6 7
  • D − 6 7

Q3:

Find the additive inverse of − 1 2 .

  • A 1 2
  • B − 1 2
  • C 2
  • D − 2

Q4:

Which of the following is the sum 1 2 5 1 2 5 + − 1 2 5 1 2 5 ?

  • A a positive number
  • Bzero
  • C a negative number

Q5:

What is the additive inverse of − 3 7 ?

  • A 3 7
  • B − 1
  • C 7 3
  • D − 7 3
  • E − 3 7

Q6:

What is the additive identity in ℚ ?

Q7:

Find the additive inverse of ( − 1 ) 3 .

Q8:

Find the additive inverse of 0.7.

Q9:

Evaluate − 4 2 3 + 1 3 1 3 using properties of addition.

  • A 8 2 3
  • B 9 1 2
  • C 18
  • D 4

Q10:

Evaluate 1 8 9 + − 1 2 7 9 using properties of addition.

  • A − 1 0 8 9
  • B − 1 1 5 6
  • C 1 4 2 3
  • D 4 9

Q11:

Evaluate − 1 4 1 4 + 1 3 1 4 using properties of addition.

  • A − 1
  • B − 1 1 4
  • C 2 7 1 2
  • D 1 4

Q12:

Find the additive inverse of − 3 4 .

Q13:

Find the additive inverse of − 1 3 .

  • A 1 3
  • B 0
  • C − 3
  • D − 1 3
  • E 3
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