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.
Watch this video if you need help with counting back using a number line.
WORKSHEET FOR VIDEO 1:
Here is a worksheet that will help you practice counting back using a number line.
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.
I have attached some activity cards for you to have a go at. Try and make sure that your mathematical explanations are clear.
This looks to be a great subtraction game. It has 7 levels to choose from!