Fractions

  • Circuit training
    problem

    Circuit Training

    Age
    14 to 16
    Challenge level
    filled star empty star empty star
    Mike and Monisha meet at the race track, which is 400m round. Just to make a point, Mike runs anticlockwise whilst Monisha runs clockwise. Where will they meet on their way around and will they ever meet at the start again? If so, after how many circuits?
  • Farthest fraction
    problem

    Farthest Fraction

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    Which of these fractions is the largest?
  • Hexa-split
    problem

    Hexa-Split

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    Which of the areas shown in the hexagons are equal to each other?
  • Couples
    problem

    Couples

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    In a certain community two thirds of the adult men are married to three quarters of the adult women. How many adults would there be in the smallest community of this type?
  • Six Notes all Nice Ratios
    problem

    Six Notes All Nice Ratios

    Age
    14 to 16
    Challenge level
    filled star empty star empty star
    The Pythagoreans noticed that nice simple ratios of string length made nice sounds together.
  • Lower Bound
    problem

    Lower Bound

    Age
    14 to 16
    Challenge level
    filled star filled star empty star
    What would you get if you continued this sequence of fraction sums? 1/2 + 2/1 = 2/3 + 3/2 = 3/4 + 4/3 =
  • Can it be?
    problem

    Can It Be?

    Age
    16 to 18
    Challenge level
    filled star filled star empty star
    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
    filled star filled star empty star
    What fraction of the volume of this can is filled with lemonade?
  • Diagonal Touch
    problem

    Diagonal Touch

    Age
    14 to 16
    Challenge level
    filled star filled star empty star
    Weekly Problem 21 - 2012
    Two rectangles are drawn in a rectangle. What fraction of the rectangle is shaded?