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Know Your Subtraction: Subtract 7, 8 or 9 From a Number

In this worksheet, students will practise subtracting 7, 8 or 9 from a number (0-20)

'Know Your Subtraction: Subtract 7, 8 or 9 From a Number' worksheet

Key stage:  KS 1

Year:  Year 1 Maths worksheets

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Add and Subtract to 20

Difficulty level:  

Worksheet Overview

Subtraction is the taking of one number or amount away from another.

It is the opposite of addition.



Look at this subtraction.

10 - 7 = ?



Start at 10 and count 7 backwards.

You can use the number line to help you count.


number line to 20


10 - 7 = 3


If you use the number line, you start at the number 10 and move places to the left. The number you reach is 3.


Remember that you always move to the left on a number line when you are subtracting.


left arrow


Let's try another one.



16 - 8 = ?



Start at 16 on the number line and count 8 places to the left. What number do you reach? It's 8.


16 - 8 = 8


Does that make sense?


thumbs up


Let's have a go at some questions now.

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