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

asked Oct 16, 2016 217k views

5 votes

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5 votes

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

Xorty answered Oct 18, 2016

by Xorty

7.3k points

6 votes

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

Nilanjan answered Oct 22, 2016

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