Check Your Answers Using Inverse Operations

In this worksheet, students 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

Difficulty level:

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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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Preview activity

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