Exploring and noticing

  • Fence it
    problem
    Favourite

    Fence It

    Age
    11 to 14
    Challenge level

    If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?

  • Strange Bank Account
    problem
    Favourite

    Strange Bank Account

    Age
    11 to 14
    Challenge level

    Imagine a very strange bank account where you are only allowed to do two things...

  • Up, down, flying around
    game
    Favourite

    Up, Down, Flying Around

    Age
    11 to 14
    Challenge level

    Play this game to learn about adding and subtracting positive and negative numbers

  • Add to 200
    problem
    Favourite

    Add to 200

    Age
    11 to 14
    Challenge level

    By selecting digits for an addition grid, what targets can you make?

  • Forwards Add Backwards
    problem
    Favourite

    Forwards Add Backwards

    Age
    11 to 14
    Challenge level

    What happens when you add a three digit number to its reverse?

  • About Average
    problem
    Favourite

    About Average

    Age
    11 to 14
    Challenge level

    Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?

  • Half a minute
    problem
    Favourite

    Half a Minute

    Age
    11 to 14
    Challenge level

    Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?

  • Beach Huts
    problem
    Favourite

    Beach Huts

    Age
    11 to 14
    Challenge level

    Can you figure out how sequences of beach huts are generated?

  • Growing Surprises
    problem
    Favourite

    Growing Surprises

    Age
    11 to 14
    Challenge level

    Can you find the connections between linear and quadratic patterns?

  • Polygon Rings
    problem
    Favourite

    Polygon Rings

    Age
    11 to 14
    Challenge level

    Join pentagons together edge to edge. Will they form a ring?

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