Workbook Detail
Estimation Challenge Estimation Grade 4 Medium — Set 1
8.3 + 4.5 = ?
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Answer: 12.8
1/3 + 1/3 = ?
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Answer: 2/3
7 × x = 14, x = ?
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Answer: 2
(3 + 2) × 4 = ?
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Answer: 20
4^3 = ?
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Answer: 64
x + 17 = 22, x = ?
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Answer: 5
9 × x = 81, x = ?
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Answer: 9
4 + 2^2 = ?
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Answer: 8
3 + 2^2 = ?
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Answer: 7
3/6 + 5/6 = ?
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Answer: 8/6
2/3 - 1/3 = ?
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Answer: 1/3
5/2 + 1/2 = ?
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Answer: 6/2
4/7 - 4/7 = ?
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Answer: 0/7
10 + 5 × 4 = ?
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Answer: 30
2.1 + 0.7 = ?
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Answer: 2.8
3 × x = 33, x = ?
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Answer: 11
5 + 4^2 = ?
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Answer: 21
6.6 + 3.7 = ?
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Answer: 10.3
(5 + 7) × 4 = ?
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Answer: 48
5.2 - 0.9 = ?
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Answer: 4.3