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Thursday, August 4, 2016

Subtracting tidy numbers

LI:is to subtracting tidy number 
Today we learned about subtracting in tidy numbers 
Example:
28-14=14
14 nearest tidy number is 20 and we add 6 to the 14 to make it 20 and add 6 to the 28 to make 34 so 
20-34=14
I have to improve reaching harder levels.

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