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Estimating sums and differences practice
Estimating sums and differences · 1–12
Estimate: round each number to the place shown, then add or subtract.
1.To the nearest ten: 43 − 38
2.To the nearest ten: 59 − 43
3.To the nearest ten: 84 − 84
4.To the nearest ten: 22 + 67
5.To the nearest ten: 58 + 70
6.To the nearest ten: 88 + 26
7.To the nearest ten: 85 − 59
8.To the nearest ten: 94 − 39
9.To the nearest ten: 78 + 59
10.To the nearest ten: 44 − 28
11.To the nearest ten: 97 + 25
12.To the nearest ten: 96 − 70
Answer key — Estimating sums and differences practice
Estimating sums and differences
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