Length/distance

  • On the Road
    problem

    On the road

    Age
    14 to 16
    Challenge level
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    Four vehicles travelled on a road. What can you deduce from the times that they met?
  • Hand Span
    problem

    Hand span

    Age
    5 to 7
    Challenge level
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    Use your hand span to measure the distance around a tree trunk. If you ask a friend to try the same thing, how do the answers compare?
  • Great Squares
    problem

    Great squares

    Age
    7 to 11
    Challenge level
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    Investigate how this pattern of squares continues. You could measure lengths, areas and angles.
  • Working with Dinosaurs
    article

    Working with dinosaurs

    This article for teachers suggests ways in which dinosaurs can be a great context for discussing measurement.
  • Measure for Measure
    article

    Measure for measure

    This article, written for students, looks at how some measuring units and devices were developed.
  • Eclipses of the Sun
    article

    Eclipses of the sun

    Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like.
  • 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.
  • 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?
  • Do you measure up?
    game

    Do you measure up?

    Age
    7 to 11
    Challenge level
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    A game for two or more players that uses a knowledge of measuring tools. Spin the spinner and identify which jobs can be done with the measuring tool shown.