Math: Elementary

How can children's concepts of partitioning need to be refined to produce a concept of fractional parts?

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  1. Dividing up pizzas works.
    (cut it into 8 parts or 6 parts or whatever)

    So does dividing up money, especially based on a dollar.
    (use ten dimes or four quarters or twenty nickles or one hundred pennies...)

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    Writeacher
  2. why is it obvious that 3/4 x 8/5 = 6/5?

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