easy Set 9 Form Exercise

Estimate: 32 + 64 ≈ ?

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Answer: 90

Expression
32 + 64
EstimatedAnswer
90
ExactAnswer
96

Estimate: 37 + 19 ≈ ?

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Answer: 60

Expression
37 + 19
EstimatedAnswer
60
ExactAnswer
56

Estimate: 79 + 11 ≈ ?

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Answer: 90

Expression
79 + 11
EstimatedAnswer
90
ExactAnswer
90

Estimate: 26 + 50 ≈ ?

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Answer: 80

Expression
26 + 50
EstimatedAnswer
80
ExactAnswer
76

Estimate: 69 + 31 ≈ ?

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Answer: 100

Expression
69 + 31
EstimatedAnswer
100
ExactAnswer
100

Estimate: 47 + 73 ≈ ?

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Answer: 120

Expression
47 + 73
EstimatedAnswer
120
ExactAnswer
120

Estimate: 97 + 79 ≈ ?

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Answer: 180

Expression
97 + 79
EstimatedAnswer
180
ExactAnswer
176

Estimate: 39 + 97 ≈ ?

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Answer: 140

Expression
39 + 97
EstimatedAnswer
140
ExactAnswer
136

Estimate: 53 + 89 ≈ ?

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Answer: 140

Expression
53 + 89
EstimatedAnswer
140
ExactAnswer
142

Estimate: 16 + 91 ≈ ?

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Answer: 110

Expression
16 + 91
EstimatedAnswer
110
ExactAnswer
107

Estimate: 62 + 49 ≈ ?

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Answer: 110

Expression
62 + 49
EstimatedAnswer
110
ExactAnswer
111

Estimate: 86 + 66 ≈ ?

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Answer: 160

Expression
86 + 66
EstimatedAnswer
160
ExactAnswer
152

Estimate: 74 + 17 ≈ ?

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Answer: 90

Expression
74 + 17
EstimatedAnswer
90
ExactAnswer
91

Estimate: 60 + 89 ≈ ?

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Answer: 150

Expression
60 + 89
EstimatedAnswer
150
ExactAnswer
149

Estimate: 99 + 53 ≈ ?

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Answer: 150

Expression
99 + 53
EstimatedAnswer
150
ExactAnswer
152

Estimate: 48 + 16 ≈ ?

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Answer: 70

Expression
48 + 16
EstimatedAnswer
70
ExactAnswer
64

Estimate: 14 + 82 ≈ ?

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Answer: 90

Expression
14 + 82
EstimatedAnswer
90
ExactAnswer
96

Estimate: 60 + 28 ≈ ?

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Answer: 90

Expression
60 + 28
EstimatedAnswer
90
ExactAnswer
88

Estimate: 11 + 96 ≈ ?

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Answer: 110

Expression
11 + 96
EstimatedAnswer
110
ExactAnswer
107

Estimate: 62 + 43 ≈ ?

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Answer: 100

Expression
62 + 43
EstimatedAnswer
100
ExactAnswer
105