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Know Your Subtraction: Subtract Numbers Between 0 and 20

In this worksheet, students will subtract one-digit numbers in the range 0-20.

'Know Your Subtraction: Subtract Numbers Between 0 and 20' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Add and Subtract to 20

Difficulty level:  

Worksheet Overview

Subtraction is taking something away.

It is the opposite of addition. (Addition is adding something on.)

 

girl thinking

 

Look at this example.

 

Take 4 away from 20 equals  16

 

We can write it like this, too.

20 - 4 = 16

 

We take 4 away from 20 to get 16. That's subtraction!

 

happy boy throwing leaves

 

Now try for yourself.

 

Pop your finger on 20 on the number line. Bounce it back (to the left) 4 places. What number did you get to? It should have been 16 because we know that

20 - 4 = 16

 

Number line to 20

 

 

Always count to the left on a number line when you are subtracting.

 

left arrow

 

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