B Set 97 Form Exercise
01
Round 435 to the nearest ten = ?
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440

02
Estimate 63 + 129 to the nearest 10 = ?
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190

03
About how many: 62 ÷ 5?
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12

04
Estimate 77 - 22 to the nearest ten = ?
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60

05
Estimate 230 + 185 to the nearest 10 = ?
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420

06
About how many: 236 ÷ 9?
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26

07
Estimate 177 + 217 to the nearest 10 = ?
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400

08
About how many: 197 ÷ 7?
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28

09
Estimate 446 - 98 to the nearest ten = ?
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350

10
Estimate 349 - 107 to the nearest ten = ?
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240

11
About how many: 90 ÷ 4?
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22

12
Round 8447 to the nearest hundred = ?
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8400

13
Estimate 321 + 56 to the nearest 10 = ?
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380

14
Round 676 to the nearest ten = ?
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680

15
Estimate 132 - 22 to the nearest ten = ?
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110

16
Round 8548 to the nearest hundred = ?
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8500

17
Estimate 262 - 150 to the nearest ten = ?
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110

18
About how many: 71 ÷ 7?
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10

19
About how many: 99 ÷ 5?
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19

20
Estimate 125 + 481 to the nearest 10 = ?
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610