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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:  

Worksheet Overview

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

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