Being resilient

  • Kite in a Square
    problem
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    Kite in a Square

    Age
    14 to 18
    Challenge level
    2 out of 3

    Can you make sense of the three methods to work out what fraction of the total area is shaded?

  • Curve fitter
    problem
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    Curve Fitter

    Age
    14 to 18
    Challenge level
    2 out of 3

    This problem challenges you to find cubic equations which satisfy different conditions.

  • Always Perfect
    problem
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    Always Perfect

    Age
    14 to 18
    Challenge level
    2 out of 3

    Show that if you add 1 to the product of four consecutive numbers the answer is ALWAYS a perfect square.

  • Snooker Frames
    problem
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    Snooker Frames

    Age
    16 to 18
    Challenge level
    1 out of 3

    It is believed that weaker snooker players have a better chance of winning matches over eleven frames (i.e. first to win 6 frames) than they do over fifteen frames. Is this true?

  • Three by One
    problem
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    Three by One

    Age
    16 to 18
    Challenge level
    1 out of 3

    There are many different methods to solve this geometrical problem - how many can you find?

  • Areas and Ratios
    problem
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    Areas and Ratios

    Age
    16 to 18
    Challenge level
    2 out of 3

    Do you have enough information to work out the area of the shaded quadrilateral?

  • Giants
    problem
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    Giants

    Age
    16 to 18
    Challenge level
    2 out of 3

    Which is the bigger, 9^10 or 10^9 ? Which is the bigger, 99^100 or 100^99 ?

  • Cubestick
    problem
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    Cubestick

    Age
    16 to 18
    Challenge level
    2 out of 3

    Stick some cubes together to make a cuboid. Find two of the angles by as many different methods as you can devise.