Use rounding or compatible numbers to estimate the sum of 65 + 23.

What is the estimated answer?

Well, if you want to estimate the sum, then we must round the two numbers we are adding.
65 can be rounded to 70, since 5 is ≥ 5. 23 can be rounded to 20, since 3 < 5.
70 + 20 = 90
We can ** estimate the sum to be 90 .
***(If you want the actual sum it would be 65 + 23 = 88)*

Answered by iloveonedirection | 2024-06-10

To estimate the sum of 65 + 23, round 65 to 70 and 23 to 20. Adding these gives an estimated sum of 90. This approach simplifies the calculation while being close to the actual sum of 88.
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Answered by iloveonedirection | 2024-12-19