Exploring and noticing

  • Olympic Triathlon
    problem

    Olympic triathlon

    Age
    14 to 16
    Challenge level
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    Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?

  • Factorising with Multilink
    problem

    Factorising with multilink

    Age
    14 to 16
    Challenge level
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    Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?

  • Magic Letters
    problem

    Magic letters

    Age
    11 to 14
    Challenge level
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    Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?

  • problem

    Our sports

    Age
    7 to 11
    Challenge level
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    This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.

  • Steps to the Podium
    problem

    Steps to the podium

    Age
    7 to 14
    Challenge level
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    It starts quite simple but great opportunities for number discoveries and patterns!
  • Method in multiplying madness?
    problem

    Method in multiplying madness?

    Age
    7 to 14
    Challenge level
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    Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

  • Eye View
    problem

    Eye view

    Age
    7 to 11
    Challenge level
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    Why does the tower look a different size in each of these pictures?
  • polygonals
    problem

    Polygonals

    Age
    7 to 11
    Challenge level
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    Polygonal numbers are those that are arranged in shapes as they enlarge. Explore the polygonal numbers drawn here.
  • How Tall?
    problem

    How tall?

    Age
    5 to 11
    Challenge level
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    A group of children are discussing the height of a tall tree. How would you go about finding out its height?

  • Which spinners?
    problem

    Which spinners?

    Age
    14 to 18
    Challenge level
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    Can you work out which spinners were used to generate the frequency charts?