Length/distance

  • Four on the Road
    problem

    Four on the Road

    Age
    14 to 16
    Challenge level
    2 out of 3
    Four vehicles travel along a road one afternoon. Can you make sense of the graphs showing their motion?
  • Overtake
    problem

    Overtake

    Age
    14 to 16
    Challenge level
    2 out of 3

    Tom and Tim are travelling towards Glasgow, but leave at different times. If Tim overtakes Tom, how fast is he travelling?

  • Swimmers
    problem

    Swimmers

    Age
    14 to 16
    Challenge level
    3 out of 3

    Swimmers in opposite directions cross at 20m and at 30m from each end of a swimming pool. How long is the pool ?

  • Alternative Record Book
    problem

    Alternative Record Book

    Age
    14 to 18
    Challenge level
    1 out of 3

    In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.

  • The Dodecahedron Explained
    article

    The Dodecahedron Explained

    What is the shortest distance through the middle of a dodecahedron between the centres of two opposite faces?
  • Paradoxes
    article

    Paradoxes

    A paradox is a statement that seems to be both untrue and true at the same time. This article looks at a few examples and challenges you to investigate them for yourself.