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CLIP 13560

Finding lines of symmetry

Finding lines of symmetry
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Key Info
  • Finding lines of symmetry
  • Duration: 02:46
  • Karate kid, Ethan Measure is a champion at martial arts. Today he is going for the symmetry medal which, in order to win, he must find the line of symmetry on various objects and karate chop along that line. An explanation of finding a line of symmetry is given and demonstrated using a mirror. Ethan then has to chop a pineapple. At first he gets it wrong, checking in the mirror. Ethan’s mum has prepared a selection of objects for him to practise on. 3 questions of increasing difficulty challenge us to identify the line or lines of symmetry. Some objects are not symmetrical. First broadcast in the Learning Zone on BBC2 in March 2012 as part of the series Let's Do Maths.
  • Subject:

    Maths

       Topic:

    Symmetry Rotation and Translation

  • Keywords: LetsDoMaths, symmetrical, axis, mirror line, asymmetrical
Ideas for use in class
  • For use as a lesson starter. Finding the line or lines of symmetry is demonstrated using a mirror for reinforcement of learning and understanding. Everyday objects shown in different orientations are used in 3 differentiated questions that challenge children to identify all or no lines of symmetry.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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