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

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

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User AJFMEDIA
by
8.9k points

2 Answers

5 votes
If you are just trying to estimate count 8 and 3 together but the answer is 121
answered
User Xorty
by
7.7k 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
answered
User Nilanjan
by
7.8k points
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