B Set 98 Form Exercise
01
Estimate 488 + 256 to the nearest 10 = ?
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750

02
Estimate 157 + 220 to the nearest 10 = ?
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380

03
About how many: 33 ÷ 2?
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16

04
Estimate 212 - 119 to the nearest ten = ?
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90

05
Estimate 122 + 408 to the nearest 10 = ?
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530

06
Round 1707 to the nearest hundred = ?
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1700

07
About how many: 33 ÷ 6?
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5

08
About how many: 59 ÷ 2?
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29

09
Estimate 309 - 224 to the nearest ten = ?
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90

10
Round 710 to the nearest ten = ?
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710

11
Estimate 232 + 22 to the nearest 10 = ?
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250

12
Estimate 366 - 188 to the nearest ten = ?
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180

13
Round 388 to the nearest ten = ?
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390

14
About how many: 17 ÷ 3?
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5

15
Estimate 239 + 72 to the nearest 10 = ?
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310

16
Round 8395 to the nearest hundred = ?
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8400

17
Round 180 to the nearest ten = ?
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180

18
About how many: 164 ÷ 7?
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23

19
Round 639 to the nearest ten = ?
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640

20
Estimate 316 - 17 to the nearest ten = ?
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300