  # Add and Subtract Negative Numbers

In this worksheet, students will carry out addition and subtraction of negative numbers. Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Four Operations for All Numbers

Popular topics:   Subtraction worksheets, Addition worksheets

Difficulty level:   #### Worksheet Overview

In this activity, we will carry out addition and subtraction of negative numbers.

It is really important to learn the rule for negative numbers, so let's recap it here.

When two signs are written next to each other:

If the two signs are different, they make a negative sign.

If the two signs are the same, they make a positive sign.

This means that:

+ and - make a negative

- and + make a negative

+ and + make a positive

- and - make a positive

For example, when adding a negative number, you have + and - together, so the answer will be negative:

7 + -9 = 7 - 9 = -2

When subtracting a negative number, you have - and - together, so the answer will be positive:

3 - -5 = 3 + 5 = 8

Let's have a go at some questions.

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