Being curious

  • problem

    Cut it out

    Age
    7 to 11
    Challenge level
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    Can you dissect an equilateral triangle into 6 smaller ones? What number of smaller equilateral triangles is it NOT possible to dissect a larger equilateral triangle into?

  • Fitted
    problem

    Fitted

    Age
    7 to 11
    Challenge level
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    Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. What are the dimensions of the rectangle?

  • 5 on the clock
    problem

    5 on the clock

    Age
    7 to 11
    Challenge level
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    On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?

  • Fraction Fascination
    problem

    Fraction fascination

    Age
    7 to 11
    Challenge level
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    This problem challenges you to work out what fraction of the whole area of these pictures is taken up by various shapes.

  • Curious number
    problem

    Curious number

    Age
    7 to 11
    Challenge level
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    Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?

  • Olympic Turns
    problem

    Olympic turns

    Age
    7 to 11
    Challenge level
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    This task looks at the different turns involved in different Olympic sports as a way of exploring the mathematics of turns and angles.

  • Making Spirals
    problem

    Making spirals

    Age
    7 to 11
    Challenge level
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    Can you make a spiral for yourself? Explore some different ways to create your own spiral pattern and explore differences between different spirals.

  • Ribbon Squares
    problem

    Ribbon squares

    Age
    7 to 11
    Challenge level
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    What is the largest 'ribbon square' you can make? And the smallest? How many different squares can you make altogether?