Tuesday, September 20, 2016

34-16=18
34-20=14+4=18

83-25=58
83-20=63

this is myfun and tricky maths

2 comments:

  1. great math's jack keep the hard work up and don't give in to those tricky questions.

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  2. You are listening carefully Jack - this is a great strategy to use as our brains like jumping back or jumping forward in tidy tens.

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