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Addition and Subtraction: Find the Number (1-20)

In this worksheet, students use their knowledge of addition, subtraction and number bonds to 20 to fill in the missing elements of the problems.

'Addition and Subtraction: Find the Number (1-20)' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Solve Add/Subtract Problems to 20

Difficulty level:  

Worksheet Overview

This worksheet is about changing a story into maths.

 

Look at the ladybirds on this plant.

 

 

Count them.

There are 12 ladybirds.

 

Now look at this picture.

4 ladybirds have flown away.

How many are left on the plant?

8 are left on the plant.

 

We started with 12 and 4 flew away.

 

In maths, this can be written as:

12 - 4

 

Now 12 - 4 = 8

 

So 8 are left on the plant.

 

12 - 4 = 8 tells the story of how many ladybirds are left on the plant.

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