B Set 100 Form Exercise
01
Estimate 350 + 245 to the nearest 10 = ?
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600

02
Estimate 341 + 440 to the nearest 10 = ?
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780

03
Estimate 61 - 15 to the nearest ten = ?
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40

04
Estimate 389 - 80 to the nearest ten = ?
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310

05
Estimate 118 - 10 to the nearest ten = ?
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110

06
Round 7763 to the nearest hundred = ?
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7800

07
Round 42 to the nearest ten = ?
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40

08
About how many: 157 ÷ 6?
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26

09
Round 756 to the nearest ten = ?
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760

10
Round 2085 to the nearest hundred = ?
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2100

11
Round 6555 to the nearest hundred = ?
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6600

12
Estimate 441 + 348 to the nearest 10 = ?
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790

13
About how many: 45 ÷ 2?
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22

14
Estimate 172 - 150 to the nearest ten = ?
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20

15
Round 709 to the nearest ten = ?
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710

16
Estimate 300 - 193 to the nearest ten = ?
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110

17
About how many: 110 ÷ 7?
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15

18
About how many: 38 ÷ 5?
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7

19
Estimate 371 + 104 to the nearest 10 = ?
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470