B Set 98 Form Exercise
01
Estimate 50 - 35 to the nearest ten = ?
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10

02
About how many: 66 ÷ 5?
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13

03
Estimate 404 - 161 to the nearest ten = ?
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240

04
Round 797 to the nearest ten = ?
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800

05
About how many: 15 ÷ 2?
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7

06
Estimate 64 + 107 to the nearest 10 = ?
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170

07
Estimate 159 + 288 to the nearest 10 = ?
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450

08
Estimate 364 + 379 to the nearest 10 = ?
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740

09
Round 5389 to the nearest hundred = ?
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5400

10
Round 9920 to the nearest hundred = ?
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9900

11
Round 737 to the nearest ten = ?
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740

12
Estimate 286 - 268 to the nearest ten = ?
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20

13
Round 48 to the nearest ten = ?
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50

14
Round 807 to the nearest ten = ?
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810

15
Round 457 to the nearest ten = ?
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460

16
About how many: 17 ÷ 2?
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8

17
About how many: 99 ÷ 7?
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14

18
Estimate 289 - 70 to the nearest ten = ?
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220

19
Round 77 to the nearest ten = ?
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80

20
About how many: 186 ÷ 7?
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26