Question

Estimate 77.354 + 53.26 by rounding each number to the nearest whole number

Answer 1

Explanation:

Rounding to nearest whole number means rounding up if the decimal is equal to or greater than .5 and rounding down when decimal is less than .5. In this case both numbers should be rounded down.

77+53=130

Answer 2

130

Explanation:

We round to the nearest number:

77.354 rounds down to 77

53.26 rounds down to 53

Now add the two rounded numbers.

77 + 53 = 130

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