Workbook Detail
Number Sense Estimation Estimate Sums — Set 10
Estimate: 80 + 35 ≈ ?
Show answer
Answer: 120
- Expression
- 80 + 35
- EstimatedAnswer
- 120
- ExactAnswer
- 115
Estimate: 34 + 31 ≈ ?
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Answer: 60
- Expression
- 34 + 31
- EstimatedAnswer
- 60
- ExactAnswer
- 65
Estimate: 16 + 15 ≈ ?
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Answer: 40
- Expression
- 16 + 15
- EstimatedAnswer
- 40
- ExactAnswer
- 31
Estimate: 62 + 19 ≈ ?
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Answer: 80
- Expression
- 62 + 19
- EstimatedAnswer
- 80
- ExactAnswer
- 81
Estimate: 18 + 88 ≈ ?
Show answer
Answer: 110
- Expression
- 18 + 88
- EstimatedAnswer
- 110
- ExactAnswer
- 106
Estimate: 77 + 34 ≈ ?
Show answer
Answer: 110
- Expression
- 77 + 34
- EstimatedAnswer
- 110
- ExactAnswer
- 111
Estimate: 67 + 96 ≈ ?
Show answer
Answer: 170
- Expression
- 67 + 96
- EstimatedAnswer
- 170
- ExactAnswer
- 163
Estimate: 68 + 18 ≈ ?
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Answer: 90
- Expression
- 68 + 18
- EstimatedAnswer
- 90
- ExactAnswer
- 86
Estimate: 70 + 86 ≈ ?
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Answer: 160
- Expression
- 70 + 86
- EstimatedAnswer
- 160
- ExactAnswer
- 156
Estimate: 89 + 90 ≈ ?
Show answer
Answer: 180
- Expression
- 89 + 90
- EstimatedAnswer
- 180
- ExactAnswer
- 179
Estimate: 30 + 32 ≈ ?
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Answer: 60
- Expression
- 30 + 32
- EstimatedAnswer
- 60
- ExactAnswer
- 62
Estimate: 17 + 61 ≈ ?
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Answer: 80
- Expression
- 17 + 61
- EstimatedAnswer
- 80
- ExactAnswer
- 78
Estimate: 10 + 12 ≈ ?
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Answer: 20
- Expression
- 10 + 12
- EstimatedAnswer
- 20
- ExactAnswer
- 22
Estimate: 47 + 51 ≈ ?
Show answer
Answer: 100
- Expression
- 47 + 51
- EstimatedAnswer
- 100
- ExactAnswer
- 98
Estimate: 26 + 90 ≈ ?
Show answer
Answer: 120
- Expression
- 26 + 90
- EstimatedAnswer
- 120
- ExactAnswer
- 116
Estimate: 46 + 65 ≈ ?
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Answer: 120
- Expression
- 46 + 65
- EstimatedAnswer
- 120
- ExactAnswer
- 111
Estimate: 91 + 29 ≈ ?
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Answer: 120
- Expression
- 91 + 29
- EstimatedAnswer
- 120
- ExactAnswer
- 120
Estimate: 15 + 98 ≈ ?
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Answer: 120
- Expression
- 15 + 98
- EstimatedAnswer
- 120
- ExactAnswer
- 113
Estimate: 65 + 79 ≈ ?
Show answer
Answer: 150
- Expression
- 65 + 79
- EstimatedAnswer
- 150
- ExactAnswer
- 144
Estimate: 66 + 41 ≈ ?
Show answer
Answer: 110
- Expression
- 66 + 41
- EstimatedAnswer
- 110
- ExactAnswer
- 107