Workbook Detail
Estimation Challenge Estimation Grade 4 Challenge — Set 1
3/7 + 2/7 = ?
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Answer: 5/7
2 + 5^2 = ?
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Answer: 27
5 + 4 × 5 = ?
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Answer: 25
4 + 6 × 4 = ?
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Answer: 28
5^3 = ?
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Answer: 125
50% of 64 = ?
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Answer: 32
3/8 - 2/8 = ?
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Answer: 1/8
5.7 + 3.1 = ?
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Answer: 8.8
3 × x = 30, x = ?
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Answer: 10
(5 + 1) × 3 = ?
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Answer: 18
7 × x = 28, x = ?
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Answer: 4
9.1 - 6.0 = ?
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Answer: 3.1
GCF(18, 18) = ?
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Answer: 6
20% of 8 = ?
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Answer: 1.6
3/6 + 5/6 = ?
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Answer: 8/6
7 + 2 × 2 = ?
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Answer: 11
50% of 56 = ?
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Answer: 28
2^3 = ?
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Answer: 8
5 × x = 30, x = ?
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Answer: 6
10^3 = ?
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Answer: 1000