Being collaborative

  • Chances are
    problem
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    Chances Are

    Age
    14 to 16
    Challenge level
    1 out of 3

    Which of these games would you play to give yourself the best possible chance of winning a prize?

  • The Better Choice
    problem
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    The Better Choice

    Age
    14 to 16
    Challenge level
    1 out of 3

    Here are two games you can play. Which offers the better chance of winning?

  • circles in quadrilaterals
    problem
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    Circles in Quadrilaterals

    Age
    14 to 16
    Challenge level
    1 out of 3

    Explore when it is possible to construct a circle which just touches all four sides of a quadrilateral.

  • problem
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    Track Design

    Age
    14 to 16
    Challenge level
    1 out of 3

    Where should runners start the 200m race so that they have all run the same distance by the finish?

  • Generating Triples
    problem
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    Generating Triples

    Age
    14 to 16
    Challenge level
    1 out of 3

    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?

  • Steel Cables
    problem
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    Steel Cables

    Age
    14 to 16
    Challenge level
    1 out of 3

    Some students have been working out the number of strands needed for different sizes of cable. Can you make sense of their solutions?

  • Factorising with Multilink
    problem
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    Factorising With Multilink

    Age
    14 to 16
    Challenge level
    1 out of 3

    Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?

  • Nutrition and Cycling
    problem
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    Nutrition and Cycling

    Age
    14 to 16
    Challenge level
    1 out of 3

    Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?

  • Picturing the world
    problem
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    Picturing the World

    Age
    14 to 16
    Challenge level
    1 out of 3

    How can we make sense of national and global statistics involving very large numbers?

  • Quadratic Patterns
    problem
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    Quadratic Patterns

    Age
    14 to 16
    Challenge level
    1 out of 3

    Surprising numerical patterns can be explained using algebra and diagrams...