B Set 97 Form Exercise
01
About how many: 70 ÷ 6?
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11

02
Estimate 58 + 305 to the nearest 10 = ?
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370

03
Estimate 215 + 199 to the nearest 10 = ?
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420

04
Estimate 99 - 65 to the nearest ten = ?
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30

05
Round 744 to the nearest ten = ?
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740

06
Estimate 341 - 227 to the nearest ten = ?
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110

07
Estimate 183 + 11 to the nearest 10 = ?
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190

08
Estimate 416 - 244 to the nearest ten = ?
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180

09
Estimate 198 - 15 to the nearest ten = ?
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180

10
Estimate 445 - 231 to the nearest ten = ?
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220

11
Estimate 81 - 33 to the nearest ten = ?
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50

12
Estimate 79 + 208 to the nearest 10 = ?
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290

13
Estimate 128 + 354 to the nearest 10 = ?
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480

14
Round 226 to the nearest ten = ?
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230

15
About how many: 113 ÷ 7?
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16

16
Round 249 to the nearest hundred = ?
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200

17
Estimate 199 - 131 to the nearest ten = ?
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70

18
Estimate 161 + 115 to the nearest 10 = ?
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280

19
Round 523 to the nearest ten = ?
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520

20
Estimate 199 + 364 to the nearest 10 = ?
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560