# Checking Answers Using an Inverse Operation: Multiplying or Dividing

In this worksheet, students check answers by carrying out an inverse operation.

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Relationships Between Operations

Difficulty level:

#### Worksheet Overview

In this worksheet, you must use an inverse or opposite operation.

It is easy to make mistakes when using a calculator.

Check your answers using an inverse operation.

Remember that MULTIPLYING and DIVIDING are inverses.

 Example 1: 741 × 34 = 25194 Check: 25194 ÷ 34 = 741 Example 2: 8526 ÷ 29 = 294 Check: 294 × 29 = 8526

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