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Math Help - Help 3rd Grade Math Problem

  1. #1
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    Help 3rd Grade Math Problem

    We cannot figure out C.
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  2. #2
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    Re: Help 3rd Grade Math Problem

    First of all, D should be "3 x 7", not "7 x 3".

    As for C, I have never encountered the notation with the comma. My guess would be that it could be used to represent the dimensions of an array. In this case, you can make an array with three rows of 7, or even seven rows of 3. So my guess would be 3,7 or 7,3.
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  3. #3
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    Re: Help 3rd Grade Math Problem

    Though this problem may occur in a math textbook, it does not make it a mathematical problem. It looks like an exercise in guessing someone's thinking. So don't worry if you can't solve it. Just help the student with real math.
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    Re: Help 3rd Grade Math Problem

    Quote Originally Posted by emakarov View Post
    Though this problem may occur in a math textbook, it does not make it a mathematical problem. It looks like an exercise in guessing someone's thinking. So don't worry if you can't solve it. Just help the student with real math.
    Actually, thinking about multiple representations is VERY mathematical.
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  5. #5
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    Re: Help 3rd Grade Math Problem

    Quote Originally Posted by ehoward View Post
    We cannot figure out C.
    Frankly I an truly disturbed by both the OP & reply #2.
    Why would anyone know what the question means?

    Unless the OP explains the terms, how can anyone provide a good answer?
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  6. #6
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    Re: Help 3rd Grade Math Problem

    Reply #2, are you referring to mine or emakarov's?
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