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Estimate 18.7
20 or 19
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Okay!
Estimate : 19.2 x 62
20 x 60 = 1200
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Okay!
Estimate by rounding : 13.5 x 10.2
14 x 10 =140
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Okay!
Estimate by combatable numbers : 43.6 x 58.4
40 x 60 = 2400
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Okay!
Estimate by rounding : 19.7
20
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Okay!
Estimate by Rounding : 26.2 x 9.8
26 x 10 = 260
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Okay!
Estimate :7.9
8
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Okay!
Estimate : 46.6 x 69.3
50 x 70 = 3500
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Okay!
Estimate : 5.6 x 7.9
6 x 8 =48 or 6 x 10 = 60
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Okay!
Estimate : 87.6 x 60.3
90 x 60 = 5400
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Okay!
Estimate : 2.5
3
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Okay!
Estimate by COmbatable : 27.6 x 69.3
30 x 70 = 2100
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Okay!
Estimate : 27.6 x 69.3
20 x 60 = 1200
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Okay!
Estimate : 13.2
13
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Okay!
Estimate : 72.3 x 98.9
70 x 100 = 7000
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Okay!
Estimate by combatable numbers : 47.6 x 23.9
50 x 20 = 1000
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Okay!
Estimate 4.3
4
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Okay!
Estimate 13.7
14 or 10
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Okay!
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