Being collaborative

  • Olympic Records
    problem
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    Olympic Records

    Age
    11 to 14
    Challenge level
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    Can you deduce which Olympic athletics events are represented by the graphs?

  • Summing Consecutive Numbers
    problem
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    Summing Consecutive Numbers

    Age
    11 to 14
    Challenge level
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    15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?

  • Magic Letters
    problem
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    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?

  • Olympic Measures
    problem
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    Olympic Measures

    Age
    11 to 14
    Challenge level
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    These Olympic quantities have been jumbled up! Can you put them back together again?

  • Constructing Triangles
    problem
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    Constructing Triangles

    Age
    11 to 14
    Challenge level
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    Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

  • Hidden Squares
    problem
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    Hidden Squares

    Age
    11 to 14
    Challenge level
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    Can you find the squares hidden on these coordinate grids?

  • Fence it
    problem
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    Fence It

    Age
    11 to 14
    Challenge level
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    If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?

  • Up, down, flying around
    game
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    Up, Down, Flying Around

    Age
    11 to 14
    Challenge level
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    Play this game to learn about adding and subtracting positive and negative numbers

  • Add to 200
    problem
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    Add to 200

    Age
    11 to 14
    Challenge level
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    By selecting digits for an addition grid, what targets can you make?

  • Half a minute
    problem
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    Half a Minute

    Age
    11 to 14
    Challenge level
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    Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?