Area - squares and rectangles

  • The square under the hypotenuse
    problem

    The square under the hypotenuse

    Age
    14 to 16
    Challenge level
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    Can you work out the side length of a square that just touches the hypotenuse of a right angled triangle?

  • Completing Quadrilaterals
    problem

    Completing quadrilaterals

    Age
    11 to 14
    Challenge level
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    We started drawing some quadrilaterals - can you complete them?

  • 11x11 square
    problem

    11x11 square

    Age
    11 to 16
    Challenge level
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    Here's a neat trick you can do with an 11 by 11 square...
  • Perimeter Challenge
    problem

    Perimeter challenge

    Age
    11 to 14
    Challenge level
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    Can you deduce the perimeters of the shapes from the information given?

  • 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?

  • Cover the tray
    problem

    Cover the tray

    Age
    7 to 11
    Challenge level
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    These practical challenges are all about making a 'tray' and covering it with paper.