Fractions

  • Can it be?
    problem

    Can It Be?

    Age
    16 to 18
    Challenge level
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    When if ever do you get the right answer if you add two fractions by adding the numerators and adding the denominators?
  • Canny Fraction
    problem

    Canny Fraction

    Age
    14 to 16
    Challenge level
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    What fraction of the volume of this can is filled with lemonade?
  • Diagonal Touch
    problem

    Diagonal Touch

    Age
    14 to 16
    Challenge level
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    Weekly Problem 21 - 2012
    Two rectangles are drawn in a rectangle. What fraction of the rectangle is shaded?
  • Fractions Made Faster
    problem

    Fractions Made Faster

    Age
    7 to 11
    Challenge level
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    Use the fraction wall to compare the size of these fractions - you'll be amazed how it helps!
  • Percentage Swap
    problem

    Percentage Swap

    Age
    14 to 16
    Challenge level
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    What is 50% of 2007 plus 2007% of 50?
  • Recurring Mean
    problem

    Recurring Mean

    Age
    14 to 16
    Challenge level
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    What is the mean of 1.2 recurring and 2.1 recurring?
  • Reductant ratios
    problem

    Reductant Ratios

    Age
    16 to 18
    Challenge level
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    What does the empirical formula of this mixture of iron oxides tell you about its consituents?
  • Pride of Place
    problem

    Pride of Place

    Age
    11 to 14
    Challenge level
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    Two fractions have been placed on a number line. Where should another fraction be placed?
  • Fractions of 1000
    problem

    Fractions of 1000

    Age
    14 to 16
    Challenge level
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    Find a simple way to compute this long fraction.