Being collaborative

  • problem

    How much did it cost?

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

    Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.

  • Domino sets
    problem

    Domino sets

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

    How do you know if your set of dominoes is complete?

  • Up, down, flying around
    game
    Favourite

    Up, down, flying around

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

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

  • ReflectoR ! RotcelfeR
    problem

    ReflectoR ! RotcelfeR

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

    Can you place the blocks so that you see the reflection in the picture?

  • Dice in a Corner
    problem

    Dice in a corner

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

    How could you arrange at least two dice in a stack so that the total of the visible spots is 18?

  • Fence it
    problem

    Fence it

    Age
    11 to 14
    Challenge level
    filled star empty star empty star
    If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
  • Kite in a Square
    problem

    Kite in a square

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

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

  • Constructing Triangles
    problem

    Constructing triangles

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

    Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

  • Ordering cards
    problem

    Ordering cards

    Age
    5 to 11
    Challenge level
    filled star empty star empty star
    This problem is designed to help children to learn, and to use, the two and three times tables.