Workbook Detail
Estimation Challenge Estimation Grade 5 Hard — Set 1
3/4 - 2/4 = ?
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Answer: 1/4
3.7 + 0.7 = ?
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Answer: 4.4
5 × x = 25, x = ?
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Answer: 5
(6 + 6) × 3 = ?
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Answer: 36
1.1 + 0.6 = ?
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Answer: 1.7
2 + 5^2 = ?
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Answer: 27
4.2 + 0.8 = ?
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Answer: 5.0
1/8 + 1/8 = ?
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Answer: 2/8
x + 8 = 14, x = ?
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Answer: 6
2.4 - 1.0 = ?
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Answer: 1.4
5.0 + 4.9 = ?
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Answer: 9.9
x + 17 = 22, x = ?
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Answer: 5
4 × x = 8, x = ?
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Answer: 2
20% of 44 = ?
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Answer: 8.8
2 + 3^2 = ?
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Answer: 11
4 × x = 48, x = ?
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Answer: 12
258 ÷ 6 = ?
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Answer: 43
44 × 9 = ?
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Answer: 396
9.8 + 3.7 = ?
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Answer: 13.5
x + 13 = 29, x = ?
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Answer: 16