Being collaborative

  • Generating Triples
    problem

    Generating triples

    Age
    14 to 16
    Challenge level
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    Sets of integers like 3, 4, 5 are called Pythagorean Triples, because they could be the lengths of the sides of a right-angled triangle. Can you find any more?
  • Track design
    problem

    Track design

    Age
    14 to 16
    Challenge level
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    Where should runners start the 200m race so that they have all run the same distance by the finish?

  • Fill Me Up Too
    problem

    Fill me up too

    Age
    14 to 16
    Challenge level
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    In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?

  • Order, Order!
    problem

    Order, order!

    Age
    5 to 11
    Challenge level
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    Can you place these quantities in order from smallest to largest?

  • Discuss and Choose
    problem

    Discuss and choose

    Age
    5 to 11
    Challenge level
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    This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

  • The time is ...
    problem

    The time is ...

    Age
    7 to 11
    Challenge level
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    Can you put these mixed-up times in order? You could arrange them in a circle.
  • What is the time?
    problem

    What is the time?

    Age
    5 to 11
    Challenge level
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    Can you put these times on the clocks in order? You might like to arrange them in a circle.
  • What's that graph?
    problem

    What's that graph?

    Age
    14 to 18
    Challenge level
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    Can you work out which processes are represented by the graphs?

  • Carroll Diagrams
    problem

    Carroll diagrams

    Age
    5 to 11
    Challenge level
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    Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

  • Seeing Squares
    problem

    Seeing squares

    Age
    5 to 11
    Challenge level
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    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 square.