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Estimating the Sum
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High score: 0
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A. Estimate the sum by rounding off each addend to its greatest place value. Fill in
the blank with the correct answer.
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2.
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3.
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4.
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B. Fill in the blanks with the estimated and actual sums of each pair of addends.
| Estimated Sum | Actual Sum | ||
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| 5. | 685 + 409 | ||
| 6. | 2864 + 1965 | ||
| 7. | 7835 + 3465 | ||
| 8. | 1632 + 2186 | ||
| 9. | 1835 + 2276 |
