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Today we are looking at subtracting within twenty.  Follow the video tutorial below then complete the worksheets.

Year 1 - Week 4 - Lesson 2 - Subtract within 20

This is "Year 1 - Week 4 - Lesson 2 - Subtract within 20" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.

If you feel that your child is not yet ready to move beyond ten or might prefer to use a ten frame to help them subtract then I have included an extra sheet below (do this instead of the White Rose sheet NOT as well as).