Workbook Detail
Number Sense Estimation Estimate Differences — Set 4
Estimate: 72 − 26 ≈ ?
Show answer
Answer: 40
- Expression
- 72 − 26
- EstimatedAnswer
- 40
- ExactAnswer
- 46
Estimate: 48 − 15 ≈ ?
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Answer: 30
- Expression
- 48 − 15
- EstimatedAnswer
- 30
- ExactAnswer
- 33
Estimate: 31 − 14 ≈ ?
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Answer: 20
- Expression
- 31 − 14
- EstimatedAnswer
- 20
- ExactAnswer
- 17
Estimate: 57 − 49 ≈ ?
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Answer: 10
- Expression
- 57 − 49
- EstimatedAnswer
- 10
- ExactAnswer
- 8
Estimate: 72 − 35 ≈ ?
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Answer: 30
- Expression
- 72 − 35
- EstimatedAnswer
- 30
- ExactAnswer
- 37
Estimate: 22 − 13 ≈ ?
Show answer
Answer: 10
- Expression
- 22 − 13
- EstimatedAnswer
- 10
- ExactAnswer
- 9
Estimate: 53 − 46 ≈ ?
- Expression
- 53 − 46
- EstimatedAnswer
- 0
- ExactAnswer
- 7
Estimate: 25 − 11 ≈ ?
Show answer
Answer: 20
- Expression
- 25 − 11
- EstimatedAnswer
- 20
- ExactAnswer
- 14
Estimate: 73 − 61 ≈ ?
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Answer: 10
- Expression
- 73 − 61
- EstimatedAnswer
- 10
- ExactAnswer
- 12
Estimate: 98 − 71 ≈ ?
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Answer: 30
- Expression
- 98 − 71
- EstimatedAnswer
- 30
- ExactAnswer
- 27
Estimate: 93 − 32 ≈ ?
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Answer: 60
- Expression
- 93 − 32
- EstimatedAnswer
- 60
- ExactAnswer
- 61
Estimate: 92 − 65 ≈ ?
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Answer: 20
- Expression
- 92 − 65
- EstimatedAnswer
- 20
- ExactAnswer
- 27
Estimate: 42 − 20 ≈ ?
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Answer: 20
- Expression
- 42 − 20
- EstimatedAnswer
- 20
- ExactAnswer
- 22
Estimate: 98 − 71 ≈ ?
Show answer
Answer: 30
- Expression
- 98 − 71
- EstimatedAnswer
- 30
- ExactAnswer
- 27
Estimate: 48 − 29 ≈ ?
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Answer: 20
- Expression
- 48 − 29
- EstimatedAnswer
- 20
- ExactAnswer
- 19
Estimate: 84 − 74 ≈ ?
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Answer: 10
- Expression
- 84 − 74
- EstimatedAnswer
- 10
- ExactAnswer
- 10
Estimate: 78 − 22 ≈ ?
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Answer: 60
- Expression
- 78 − 22
- EstimatedAnswer
- 60
- ExactAnswer
- 56
Estimate: 75 − 70 ≈ ?
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Answer: 10
- Expression
- 75 − 70
- EstimatedAnswer
- 10
- ExactAnswer
- 5
Estimate: 94 − 91 ≈ ?
- Expression
- 94 − 91
- EstimatedAnswer
- 0
- ExactAnswer
- 3
Estimate: 29 − 19 ≈ ?
Show answer
Answer: 10
- Expression
- 29 − 19
- EstimatedAnswer
- 10
- ExactAnswer
- 10