Friday, February 21, 2014

My Maths..

I am going to show you how to use tidy numbers! 
26+78= ?
First I make 26 a tidy number by choosing the closest 10 which is 30 adding four and then I make 78 a tidy number by add two.
30+80=110 and 4 and 2 makes six. 110-6=104.
The Answer is: 104

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