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  1. #1
    Registered User DallasCowboyz's Avatar
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    How do you calculate times tables in your head?

    For example

    7 x 9

    is this something you just know off by heart

    if not, how do you calculate this?
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  2. #2
    Registered User RJLXA's Avatar
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    Originally Posted by DallasCowboyz View Post
    For example

    7 x 9

    is this something you just know off by heart

    if not, how do you calculate this?
    in my head:

    7 x 7 = 49 + 14 = 63
    Always pick 6 crew
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  3. #3
    Registered User angelfire2005's Avatar
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    7 * 10 = 70
    70 - 7 = 63
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  4. #4
    Registered User digital022's Avatar
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    7x10=70
    70-7=63
    There is enough in the world for everyone's need, but not enough for everyone's greed.

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  5. #5
    Registered User BRANDERSS's Avatar
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    I just knew 63 but math was always my best subject and came easy.


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  6. #6
    Registered User numberbrah's Avatar
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    Get yourself a multiplication table up to 10x10 and memorize it. Way faster than going 7+7+7+7+7+7+7+7+7, which is what 7x9 is.
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