Exploring and noticing

  • problem

    St Ives

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

    How many people were going to St Ives?

  • Dicey Operations
    game
    Favourite

    More Dicey operations

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

    In these multiplication and division games, you'll need to think strategically to get closest to the target.

  • Digit Discovery
    problem

    Digit discovery

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

    Here is an interesting property about two sets of digits. Can you work out what the digits might be?

  • A powerful Matrix
    problem

    A powerful matrix

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

    What happens when you find the powers of this matrix?

  • The Matrix
    problem

    The matrix

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

    Explore a new way of multiplying with matrices.

  • Xavi's T-shirt
    problem

    Xavi's T-shirt

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

    How much can you read into a T-shirt?

  • Seeing Rhombuses
    problem

    Seeing rhombuses

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

    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.

  • Seeing Parallelograms
    problem

    Seeing parallelograms

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

    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.

  • Rhombus It
    problem

    Rhombus it

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

    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.

  • Parallelogram It
    problem

    Parallelogram it

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

    Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.