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March 28, 2017

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Of the 1st graders who were asked, 1/6 like math best, 2/3 like reading best, and 12 like science best. How many first graders were asked their favorite subject? THINK: Into how many equal parts should the picture be divided? Draw a picture to solve the problem.

  • math - ,

    Let's start by adding the fractions.

    1/6 + 2/3 = 1/6 + 4/6 = 5/6

    That means that 1/6 of the first graders like science best (6/6 - 5/6 = 1/6).

    Then set up an equation with x = total first graders.

    1/6 x = 12
    x = 12 / 1/6 = 12 * 6
    x = ?

  • math - ,

    72

  • math - ,

    24

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