### Comprehensive & curriculum aligned

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

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Relationships Between Operations

Popular topics:   Ratio worksheets

Difficulty level:

#### Worksheet Overview

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

You can use a calculator.

Remember that....

Multiplying and dividing are inverses.

Example 1

594 - 26 = 568

Check by doing:

568 + 26 = 594

Example 2

41,820 ÷ 85 = 492

Check by doing

492 × 85 = 41,820

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