Workbook Detail
Number Sense Estimation Estimate Sums — Set 5
Estimate: 21 + 85 ≈ ?
Show answer
Answer: 110
- Expression
- 21 + 85
- EstimatedAnswer
- 110
- ExactAnswer
- 106
Estimate: 42 + 89 ≈ ?
Show answer
Answer: 130
- Expression
- 42 + 89
- EstimatedAnswer
- 130
- ExactAnswer
- 131
Estimate: 17 + 23 ≈ ?
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Answer: 40
- Expression
- 17 + 23
- EstimatedAnswer
- 40
- ExactAnswer
- 40
Estimate: 24 + 28 ≈ ?
Show answer
Answer: 50
- Expression
- 24 + 28
- EstimatedAnswer
- 50
- ExactAnswer
- 52
Estimate: 25 + 68 ≈ ?
Show answer
Answer: 100
- Expression
- 25 + 68
- EstimatedAnswer
- 100
- ExactAnswer
- 93
Estimate: 99 + 50 ≈ ?
Show answer
Answer: 150
- Expression
- 99 + 50
- EstimatedAnswer
- 150
- ExactAnswer
- 149
Estimate: 73 + 11 ≈ ?
Show answer
Answer: 80
- Expression
- 73 + 11
- EstimatedAnswer
- 80
- ExactAnswer
- 84
Estimate: 82 + 45 ≈ ?
Show answer
Answer: 130
- Expression
- 82 + 45
- EstimatedAnswer
- 130
- ExactAnswer
- 127
Estimate: 77 + 67 ≈ ?
Show answer
Answer: 150
- Expression
- 77 + 67
- EstimatedAnswer
- 150
- ExactAnswer
- 144
Estimate: 10 + 70 ≈ ?
Show answer
Answer: 80
- Expression
- 10 + 70
- EstimatedAnswer
- 80
- ExactAnswer
- 80
Estimate: 68 + 35 ≈ ?
Show answer
Answer: 110
- Expression
- 68 + 35
- EstimatedAnswer
- 110
- ExactAnswer
- 103
Estimate: 69 + 41 ≈ ?
Show answer
Answer: 110
- Expression
- 69 + 41
- EstimatedAnswer
- 110
- ExactAnswer
- 110
Estimate: 76 + 47 ≈ ?
Show answer
Answer: 130
- Expression
- 76 + 47
- EstimatedAnswer
- 130
- ExactAnswer
- 123
Estimate: 68 + 20 ≈ ?
Show answer
Answer: 90
- Expression
- 68 + 20
- EstimatedAnswer
- 90
- ExactAnswer
- 88
Estimate: 94 + 78 ≈ ?
Show answer
Answer: 170
- Expression
- 94 + 78
- EstimatedAnswer
- 170
- ExactAnswer
- 172
Estimate: 13 + 43 ≈ ?
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Answer: 50
- Expression
- 13 + 43
- EstimatedAnswer
- 50
- ExactAnswer
- 56
Estimate: 93 + 40 ≈ ?
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Answer: 130
- Expression
- 93 + 40
- EstimatedAnswer
- 130
- ExactAnswer
- 133
Estimate: 85 + 94 ≈ ?
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Answer: 180
- Expression
- 85 + 94
- EstimatedAnswer
- 180
- ExactAnswer
- 179
Estimate: 24 + 17 ≈ ?
Show answer
Answer: 40
- Expression
- 24 + 17
- EstimatedAnswer
- 40
- ExactAnswer
- 41
Estimate: 25 + 60 ≈ ?
Show answer
Answer: 90
- Expression
- 25 + 60
- EstimatedAnswer
- 90
- ExactAnswer
- 85