  # Subtraction: Use number sentence to write new number sentences

In this worksheet, students learn that addition and subtraction are inverses and that you can find other facts from just one subtraction fact. Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Add/Subtract up to Four-Digit Numbers

Difficulty level:   #### Worksheet Overview

In this worksheet, we will learn about three more facts that you can get from just one subtraction fact. For Example:

If we know that 7049 - 2143 = 4906

Then we can also write three more facts about these numbers.

7049 - 4906 = 2143
4906 + 2143 = 7049
2143 + 4906 = 7049

Here is an easier example:

If we know that 100 - 30 = 70

Then we can also work out the following:

100 - 70 = 30

70 + 30 = 100

30 + 70 = 100

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