Being collaborative

  • Sticky Numbers
    problem

    Sticky numbers

    Age
    11 to 14
    Challenge level
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    Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?

  • Growing Rectangles
    problem

    Growing rectangles

    Age
    11 to 14
    Challenge level
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    What happens to the area and volume of 2D and 3D shapes when you enlarge them?

  • problem

    How would you score it?

    Age
    11 to 14
    Challenge level
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    Invent a scoring system for a 'guess the weight' competition.

  • Coordinate Designs
    problem

    Coordinate designs

    Age
    11 to 14
    Challenge level
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    This task requires learners to explain and help others, asking and answering questions.
  • Sociable Cards
    problem

    Sociable cards

    Age
    11 to 14
    Challenge level
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    Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?

  • What does random look like?
    problem

    What does random look like?

    Age
    11 to 14
    Challenge level
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    Engage in a little mathematical detective work to see if you can spot the fakes.

  • Place your orders
    problem

    Place your orders

    Age
    11 to 14
    Challenge level
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    Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?

  • Olympic Records
    problem

    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

    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

    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?