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Thursday

Today we are doing subtraction within 20,  if you want to use your home resources again to help then by all means get your practical counters out!

 

 

20-9=

 

16-7=

 

11-4=

 

17-9=

 

15-8=

 

10-5=

 

A couple of sneaky missing numbers

20- ? = 13

16- ? = 8

Lesson 4 - Subtract within 20

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