Workbook Detail
Number Sense Estimation Estimate Sums — Set 2
Estimate: 66 + 27 ≈ ?
Show answer
Answer: 100
- Expression
- 66 + 27
- EstimatedAnswer
- 100
- ExactAnswer
- 93
Estimate: 39 + 78 ≈ ?
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Answer: 120
- Expression
- 39 + 78
- EstimatedAnswer
- 120
- ExactAnswer
- 117
Estimate: 71 + 51 ≈ ?
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Answer: 120
- Expression
- 71 + 51
- EstimatedAnswer
- 120
- ExactAnswer
- 122
Estimate: 16 + 81 ≈ ?
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Answer: 100
- Expression
- 16 + 81
- EstimatedAnswer
- 100
- ExactAnswer
- 97
Estimate: 63 + 59 ≈ ?
Show answer
Answer: 120
- Expression
- 63 + 59
- EstimatedAnswer
- 120
- ExactAnswer
- 122
Estimate: 23 + 72 ≈ ?
Show answer
Answer: 90
- Expression
- 23 + 72
- EstimatedAnswer
- 90
- ExactAnswer
- 95
Estimate: 29 + 53 ≈ ?
Show answer
Answer: 80
- Expression
- 29 + 53
- EstimatedAnswer
- 80
- ExactAnswer
- 82
Estimate: 86 + 88 ≈ ?
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Answer: 180
- Expression
- 86 + 88
- EstimatedAnswer
- 180
- ExactAnswer
- 174
Estimate: 43 + 23 ≈ ?
Show answer
Answer: 60
- Expression
- 43 + 23
- EstimatedAnswer
- 60
- ExactAnswer
- 66
Estimate: 63 + 45 ≈ ?
Show answer
Answer: 110
- Expression
- 63 + 45
- EstimatedAnswer
- 110
- ExactAnswer
- 108
Estimate: 46 + 78 ≈ ?
Show answer
Answer: 130
- Expression
- 46 + 78
- EstimatedAnswer
- 130
- ExactAnswer
- 124
Estimate: 92 + 39 ≈ ?
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Answer: 130
- Expression
- 92 + 39
- EstimatedAnswer
- 130
- ExactAnswer
- 131
Estimate: 44 + 13 ≈ ?
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Answer: 50
- Expression
- 44 + 13
- EstimatedAnswer
- 50
- ExactAnswer
- 57
Estimate: 53 + 12 ≈ ?
Show answer
Answer: 60
- Expression
- 53 + 12
- EstimatedAnswer
- 60
- ExactAnswer
- 65
Estimate: 51 + 61 ≈ ?
Show answer
Answer: 110
- Expression
- 51 + 61
- EstimatedAnswer
- 110
- ExactAnswer
- 112
Estimate: 11 + 60 ≈ ?
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Answer: 70
- Expression
- 11 + 60
- EstimatedAnswer
- 70
- ExactAnswer
- 71
Estimate: 37 + 90 ≈ ?
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Answer: 130
- Expression
- 37 + 90
- EstimatedAnswer
- 130
- ExactAnswer
- 127
Estimate: 53 + 77 ≈ ?
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Answer: 130
- Expression
- 53 + 77
- EstimatedAnswer
- 130
- ExactAnswer
- 130
Estimate: 18 + 73 ≈ ?
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Answer: 90
- Expression
- 18 + 73
- EstimatedAnswer
- 90
- ExactAnswer
- 91
Estimate: 15 + 66 ≈ ?
Show answer
Answer: 90
- Expression
- 15 + 66
- EstimatedAnswer
- 90
- ExactAnswer
- 81