True/False
Indicate whether the statement is true or
false.
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Estimate to determine which calculations are reasonable.
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1.
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The
following calculation is reasonable.
3551 + 2447 =
5998
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2.
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The
following calculation is reasonable.
1982 + 3582 =
4564
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3.
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The
following calculation is reasonable.
2339 + 5773
+1104 = 8107
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4.
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The
following calculation is reasonable.
8112 - 2447 =
5665
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5.
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The
following calculation is reasonable.
6549 - 1234 =
5315
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Multiple Choice
Choose the
letter beside the correct answer.
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6.
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Estimate the total number of Brownies and Rangers in Hong Kong.
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7.
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Calculate the total number of Brownies and Rangers in Hong Kong.
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8.
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Estimate the total number of Girl Guides in Hong Kong.
A. | 12
000 | C. | 14
000 | B. | 13
000 | D. | 15
000 | | | | |
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9.
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Calculate the number of Girl Guides in Hong Kong.
A. | 12
879 | C. | 14
879 | B. | 13
879 | D. | 11
879 | | | | |
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