Perimeter, Area and Volume

  • More Isometric Areas
    problem
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    More Isometric Areas

    Age
    11 to 14
    Challenge level
    2 out of 3

    Isometric Areas explored areas of parallelograms in triangular units. Here we explore areas of triangles...

  • An Unusual Shape
    problem
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    An Unusual Shape

    Age
    11 to 14
    Challenge level
    2 out of 3

    Can you maximise the area available to a grazing goat?

  • Shear Magic
    problem
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    Shear Magic

    Age
    11 to 14
    Challenge level
    2 out of 3

    Explore the area of families of parallelograms and triangles. Can you find rules to work out the areas?

  • On the Edge
    problem
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    On the Edge

    Age
    11 to 14
    Challenge level
    2 out of 3

    If you move the tiles around, can you make squares with different coloured edges?

  • Sending a Parcel
    problem
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    Sending a Parcel

    Age
    11 to 14
    Challenge level
    2 out of 3

    What is the greatest volume you can get for a rectangular (cuboid) parcel if the maximum combined length and girth are 2 metres?

  • Changing areas, changing volumes
    problem
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    Changing Areas, Changing Volumes

    Age
    11 to 14
    Challenge level
    2 out of 3

    How can you change the surface area of a cuboid but keep its volume the same? How can you change the volume but keep the surface area the same?

  • Cuboids
    problem
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    Cuboids

    Age
    11 to 14
    Challenge level
    3 out of 3

    Can you find a cuboid that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?

  • Efficient cutting
    problem
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    Efficient Cutting

    Age
    11 to 14
    Challenge level
    3 out of 3

    Use a single sheet of A4 paper and make a cylinder having the greatest possible volume. The cylinder must be closed off by a circle at each end.

  • Cola can
    problem
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    Cola Can

    Age
    11 to 14
    Challenge level
    3 out of 3

    An aluminium can contains 330 ml of cola. If the can's diameter is 6 cm what is the can's height?

  • Cuboid challenge
    problem
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    Cuboid Challenge

    Age
    11 to 16
    Challenge level
    2 out of 3

    What's the largest volume of box you can make from a square of paper?