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Maths

Today's lesson focuses on addition fact families.  As well as understanding and being able to write 2 + 3 = 5 and 3 + 2 = 5, children need to understand that 5 = 2 + 3 and 5 = 3 + 2.  In time they will be able to use their knowledge of one of these facts to derive the other three addition sentences.  

Here is an example of an addition fact family to go with the part whole model that we have already looked at. 

 2 + 3 = 5 

3 + 2 = 5

 5 = 2 + 3 

   5 = 3 + 2   

Watch today's video then complete the sheet below.

 

Aut1.6.1 - Fact families - addition facts

This is "Aut1.6.1 - Fact families - addition facts" by White Rose Maths on Vimeo, the home for high quality videos and the people who love them.

There is a small error on the worksheet below.  Look at question 2b.  There are not four different addition sentences that can be made using these numbers, only two.  5 + 5 = 10 and 10 = 5 + 5.   
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