Monday, 8 June 2015

adding and subtracting





I found it tricky to figure out a strategy to help me solve the problem 

I am proud that I now have a new strategy to use for subtraction and addition 

Next I will use this strategy. 







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1 comment:

Anonymous said...

Good work, Erik. You seem to understand these strategies for addition and subtraction.

19 June 2015 at 16:31

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