Being resilient

  • Snooker Frames
    problem
    Favourite

    Snooker Frames

    Age
    16 to 18
    Challenge level
    filled star empty star empty star

    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?

  • Areas and Ratios
    problem
    Favourite

    Areas and Ratios

    Age
    16 to 18
    Challenge level
    filled star filled star empty star

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

  • Giants
    problem
    Favourite

    Giants

    Age
    16 to 18
    Challenge level
    filled star filled star empty star

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

  • So it's times!
    problem

    So It's Times!

    Age
    7 to 14
    Challenge level
    filled star filled star filled star

    How will you decide which way of flipping over and/or turning the grid will give you the highest total?

  • Last Biscuit
    game

    Last Biscuit

    Age
    11 to 18
    Challenge level
    filled star filled star empty star

    Can you find a strategy that ensures you get to take the last biscuit in this game?

  • Data matching
    problem

    Data Matching

    Age
    14 to 18
    Challenge level
    filled star empty star empty star

    Use your skill and judgement to match the sets of random data.