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MULTIPLE CHOICE |  |
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| 1. |
Which number shows 562,930,067 rounded to the
nearest hundred thousand? (1-8) |
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| A. 560,000,000 |
C. 562,900,000 |
| B. 562,000,000 |
D. 563,000,000 |
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| 2. |
Which
is the best estimate for
7,834 + 7,692 + 8,374? (1-9) |
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| A. 20,000 |
B. 22,000 |
C. 23,000 |
D. 24,000 |
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| FREE RESPONSE |
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| Use mental math to add or subtract. (1-7) |
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| 3. 820 – 270 |
4. 1,396 + 238 |
5. 2,632 – 2,495 |
6. 1,800 + 400 + 200 |
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| Round each number to the place of the underlined digit. (1-8) |
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| 7. 26,059 |
8. 1,981,782 |
9. 88.228 |
10. 9.994 |
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Pounds Carolyn said that she and one of her
friends collected a total of 200 pounds of cans.
Which friend is Carolyn talking about? |
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| 11. |
Solve the Pounds problem. Name the strategy
you used to solve the problem. Give the
answer in a complete sentence. (1-10) |
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| 12. |
Estimate the total pounds the five girls
collected. (1-9) |
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| 13. |
Show how you could find how much Lisa
and Keira collected together, using mental
math. (1-7) |
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14. |
Whitney’s estimate of 16.54 + 22.86 is about 39.
Is this
an overestimate or an underestimate? Explain how
you
know. (1-9) |
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| 15. |
Explain why 67.754 rounds to 67.8. (1-8) |
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