Ratio and Proportion

  • problem
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    Rectangle Tangle

    Age
    7 to 11
    Challenge level
    1 out of 3

    The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?

  • Jumping
    problem
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    Jumping

    Age
    7 to 11
    Challenge level
    1 out of 3

    After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?

  • Pumpkin Pie Problem
    problem
    Favourite

    Pumpkin Pie Problem

    Age
    7 to 11
    Challenge level
    2 out of 3

    Peter wanted to make two pies for a party. His mother had a recipe for him to use. However, she always made 80 pies at a time. Did Peter have enough ingredients to make two pumpkin pies?

  • In the Money
    problem
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    In the Money

    Age
    7 to 11
    Challenge level
    2 out of 3

    One quarter of these coins are heads but when I turn over two coins, one third are heads. How many coins are there?

  • problem
    Favourite

    Orange Drink

    Age
    7 to 11
    Challenge level
    2 out of 3

    A 750 ml bottle of concentrated orange squash is enough to make fifteen 250 ml glasses of diluted orange drink. How much water is needed to make 10 litres of this drink?