Workbook Detail
Estimation Challenge Estimation Grade 5 Challenge — Set 1
2^3 = ?
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Answer: 8
GCF(20, 20) = ?
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Answer: 4
10 + 2 × 3 = ?
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Answer: 16
13 × 9 = ?
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Answer: 117
GCF(10, 4) = ?
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Answer: 2
6^2 = ?
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Answer: 36
4 + 4^2 = ?
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Answer: 20
7.9 - 5.1 = ?
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Answer: 2.8
9.3 + 7.3 = ?
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Answer: 16.6
x + 10 = 16, x = ?
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Answer: 6
90 ÷ 6 = ?
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Answer: 15
4/5 - 2/5 = ?
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Answer: 2/5
41 × 6 = ?
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Answer: 246
x + 5 = 10, x = ?
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Answer: 5
(1 + 8) × 3 = ?
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Answer: 27
1/5 + 3/5 = ?
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Answer: 4/5
(8 + 4) × 4 = ?
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Answer: 48
6.1 - 2.8 = ?
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Answer: 3.3
(4 + 5) × 5 = ?
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Answer: 45
10% of 48 = ?
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Answer: 4.800000000000001