# Double and Halve Numbers

In this worksheet, students will work out what comes out of or goes into a doubling machine.

Key stage:  KS 1

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Solve Multiplication/Division Problems

Difficulty level:

#### Worksheet Overview

In this activity, we will work out what goes in or what comes out of a doubling machine.

Here 6 x 2 = 12, so when 6 goes in, 12 comes out.

Also 12 ÷ 2 = 6, so when 12 comes out, 6 must have gone in.

Remember that:

Doubling is the same as multiplying by 2.

Halving is the same as dividing by 2.

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