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Practise Your Addition: Add 7, 8 or 9 to a Number

In this worksheet, students will add the numbers 7, 8 or 9 to complete a calculation.

'Practise Your Addition: Add 7, 8 or 9 to 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

Addition is adding something on.

When you add everything together, you get a total.


sum on a blackboard



Look at this addition.

16 + 7 = ?



Start at 16 and count 7 forwards.

You can use the number line below to help you.

What do you get then?

16 + 7 = 23


number line to 30


If you use the number line to help you, start on the number 16 and bounce your finger along the line 7 places to the right. You should get to 23.


Remember that when you add, you always move to the right.


right arrow


Let's try adding 8 to a number now.

19 + 8 = ?

You need to count forwards 8 places. If you use the number line, start at 19 and bounce your finger along 8 places to the right and what do you reach?

19 + 8 = 27


an octopus

How about this one?

15 + 9 = ?

You need to move forwards 9 places on the number line and you'll arrive at 24.

15 + 9 = 24


There is another way that you could work this one out. 9 is one less than 10. If you add on 10 and then subtract 1, it will be the same as adding 9. Does that make sense?

Let's try: 15 + 10 = 25 - 1 = 24

It works!!


boy throwing leaves


Let's try some questions now.

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