Being collaborative

  • Growing Garlic
    problem
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    Growing Garlic

    Age
    5 to 11
    Challenge level
    2 out of 3

    Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

  • Roman Numerals
    problem
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    Roman Numerals

    Age
    7 to 11
    Challenge level
    1 out of 3

    Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?

  • Tumbling Down
    problem
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    Tumbling Down

    Age
    7 to 11
    Challenge level
    1 out of 3

    Watch this animation. What do you see? Can you explain why this happens?

  • Dicey Operations in Line
    game
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    Dicey Operations in Line

    Age
    7 to 11
    Challenge level
    1 out of 3

    In these addition, subtraction, multiplication and division games, you'll need to think strategically to get closest to the target.

  • problem
    Favourite

    Sweets in a Box

    Age
    7 to 11
    Challenge level
    1 out of 3

    How many different shaped boxes can you design for these sweets?

  • Highest and Lowest
    problem
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    Highest and Lowest

    Age
    7 to 11
    Challenge level
    1 out of 3

    Put operations signs between the numbers 3, 4, 5 and 6 to make the highest possible number and lowest possible number.

  • problem
    Favourite

    How Many Times?

    Age
    7 to 11
    Challenge level
    1 out of 3

    On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

  • problem
    Favourite

    The Moons of Vuvv

    Age
    7 to 11
    Challenge level
    1 out of 3

    The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?