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Maths

Maths

Unit 8: Subtraction within 20

 

Counting back from 20

Check out the monkey that is flossing as he counts back from 20! Let's warm up your maths brains!

 

Today’s Learning Focus:

In this lesson, we will learn how to subtract numbers within 20 by counting back using a number line.

There are 2 videos to watch, each with separate worksheets to go with them. You need to choose the video that best supports your learning. If you need a little extra support and practice, watch the first video and complete the first worksheet. If you are more confident with counting back using a number line, watch the second video and complete the second worksheet.

 

Extra Practice:

Watch this video if you need help with counting back using a number line.

 

VIDEO 1

WORKSHEET FOR VIDEO 1: 

Here is a worksheet that will help you practice counting back using a number line.

VIDEO 2

Watch Video 2 if you are confident with counting back using a number line.

WORKSHEET FOR VIDEO 2

 

Complete the worksheet to go with video 2.

 

Challenge Task:

I have attached some activity cards for you to have a go at. Try and make sure that your mathematical explanations are clear.

Maths Games:

This looks to be a great subtraction game. It has 7 levels to choose from!

https://www.sheppardsoftware.com/math/subtraction/fruit-splat-game/

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