15-05-2015
Mathematics

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rounding or compatible numbers to estimate the sum of 87+34=

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ChillinFool ChillinFool

15-05-2015

we are simplifying this so they are easier to add in your head.

87+33 is easier math to do in your head

so our new estimated number would be 120

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rosemajor rosemajor

15-05-2015

If you are just trying to estimate count 8 and 3 together but the answer is 121

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