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chubbytots

  • 3 years ago

do not use a calculator 1. use mental strategies to double each number a. 29 b. 57 c. 1.89 2. calculate each product. a. 15 x 15 b. 1.5 x 15 c. 1.5 x 0.15 d. 1.5 x 1.5 x 1.5 help me pls

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  1. steel11
    • 3 years ago
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    well. if your here asking for help, might as well use a calculator.

  2. chubbytots
    • 3 years ago
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    lol i just put do not use calculator XDDD

  3. AriPotta
    • 3 years ago
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    29 is about 30. doubling 30 is easier than doubling 29, right?

  4. AriPotta
    • 3 years ago
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    so 30 x 2 = 60

  5. AriPotta
    • 3 years ago
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    and 60 - 2 = 58

  6. AriPotta
    • 3 years ago
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    57 is about 60. 60 x 2 = 120 120 - 6 = 114

  7. AriPotta
    • 3 years ago
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    is this making sense?

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