B Set 1 Form Exercise
01
About how many: 48 ÷ 5?
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9

02
About how many: 76 ÷ 3?
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25

03
Estimate 89 - 61 to the nearest ten = ?
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30

04
Estimate 73 + 57 to the nearest 10 = ?
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130

05
Round 25 to the nearest ten = ?
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30

06
Estimate 100 + 43 to the nearest 10 = ?
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140

07
Estimate 78 + 70 to the nearest 10 = ?
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150

08
About how many: 109 ÷ 5?
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21

09
Round 101 to the nearest hundred = ?
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100

10
Estimate 99 + 69 to the nearest 10 = ?
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170

11
Estimate 97 - 64 to the nearest ten = ?
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40

12
Estimate 69 - 24 to the nearest ten = ?
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50

13
Round 79 to the nearest ten = ?
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80

14
Estimate 90 + 90 to the nearest 10 = ?
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180

15
Round 91 to the nearest ten = ?
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90

16
Round 35 to the nearest ten = ?
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40

17
Estimate 85 - 31 to the nearest ten = ?
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60