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Estimating Products for multi-digit Multiplicati ...

English 10 Public

estimation with rounding

Study Slideshow

35 x 27

40 x 30 = 1,200

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42 x 13

40 x 10 = 400

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56 x 264

60 x 300 = 18,000

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71 x 14

70 x 10 = 700

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33 x 24

30 x 20 = 600

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299 x 43

300 x 40 = 12,000

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83 x 46

80 x 50 = 4,000

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714 x 668

700 x 700 =490,000

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53 x 47

50 x 50 = 2,500

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347 x 69

300 x 70 = 21,000

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