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G3 - 2.3 Problems Solving - Estimate or Exact Answer
2.3 Problems Solving - Estimate or Exact Answer

John has 17 pencils and 18 erasers. About how many items does he have in all?

Select whether an estimated or exact answer is needed and fill in the missing number.
If estimating, round both numbers to the nearest ten and then add.


Estimate
Exact
John has about items.
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