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  1. Maths
  2. Year 7
  3. Four Operations
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Check Your Answers Using Inverse Operations

In this worksheet, students check their answers with a calculator by using the correct inverse operation.

'Check Your Answers Using Inverse Operations' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Relationships Between Operations

Difficulty level:  

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Worksheet Overview

QUESTION 1 of 10

It is very important to check your answers using an inverse operation.

You can use a calculator.

 

Remember that....

 

Adding and subtracting are inverses.

Multiplying and dividing are inverses.

 

Example 1

594 - 26 = 568

Check by doing

568 + 26 = 594

 

Example 2

41820 ÷ 85 = 492

Check by doing

492 × 85 = 41820

Check your results of the following by doing an inverse operation.

5907 × 0.87 =
 

Check your results of the following by doing an inverse operation.

2962 × 0.23 =
 

Check your results of the following by doing an inverse operation.

3326 × 0.3 =
 

Check your results of the following by doing an inverse operation.

9140 - 59 =
 

Check your results of the following by doing an inverse operation.

4440 ÷ 0.2 =
 

Check your results of the following by doing an inverse operation.

758 - 68 =
 

Check your results of the following by doing an inverse operation.

3359 × 0.9 =
 

Check your results of the following by doing an inverse operation.

5396 × 0.24 =
 

Check your results of the following by doing an inverse operation.

1.7 + 6.48 =
 

Check your results of the following by doing an inverse operation.

7 + 8.44 =
 
  • ANSWERS
  • Question 1

Check your results of the following by doing an inverse operation.

5907 × 0.87 =
 
CORRECT ANSWER
5139.09
  • ANSWERS
  • Question 2

Check your results of the following by doing an inverse operation.

2962 × 0.23 =
 
CORRECT ANSWER
681.26
  • ANSWERS
  • Question 3

Check your results of the following by doing an inverse operation.

3326 × 0.3 =
 
CORRECT ANSWER
997.8
  • ANSWERS
  • Question 4

Check your results of the following by doing an inverse operation.

9140 - 59 =
 
CORRECT ANSWER
9081
  • ANSWERS
  • Question 5

Check your results of the following by doing an inverse operation.

4440 ÷ 0.2 =
 
CORRECT ANSWER
22200
  • ANSWERS
  • Question 6

Check your results of the following by doing an inverse operation.

758 - 68 =
 
CORRECT ANSWER
690
  • ANSWERS
  • Question 7

Check your results of the following by doing an inverse operation.

3359 × 0.9 =
 
CORRECT ANSWER
3023.1
  • ANSWERS
  • Question 8

Check your results of the following by doing an inverse operation.

5396 × 0.24 =
 
CORRECT ANSWER
1295.04
  • ANSWERS
  • Question 9

Check your results of the following by doing an inverse operation.

1.7 + 6.48 =
 
CORRECT ANSWER
8.18
  • ANSWERS
  • Question 10

Check your results of the following by doing an inverse operation.

7 + 8.44 =
 
CORRECT ANSWER
15.44
---- OR ----
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