London Underground

Having recapped Pythagoras’ Theorem, students apply this to a real-life situation – how many steps there are on a London Underground escalator.

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Overview of task

Having recapped Pythagoras’ Theorem, students apply this to a real-life situation – how many steps there are on a London Underground escalator.

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Strand

Number and Measures

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Prior knowledge

Appreciation of Pythagoras’ Theorem, and estimation skills

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Relevance to Core Maths qualifications

  • AQA
  • C&G
  • Eduqas
  • Pearson / Edexcel
  • OCR

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Suggested approaches

This task is suitable for:

  • group work with opportunity for collaboration, discussion, debate etc.
  • independent working
  • homework.

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Resources/documentation

  • Worksheet for students
  • Video clips on worksheet (require YouTube access)
  • Access to the internet is required to look at step dimensions or metre rules to measure in own centre

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Relevant digital technologies

  • Internet, calculators

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Possible extensions

Using the videos of the building of London Underground’s Cross Rail, students could consider the different depths of the stations in London and link this to the escalators in them, as well as considering how big the excavations need to be, in order to lower the escalator sections down into the stations.

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Acknowledgement

This resource was developed by Christine Thompson at Lincoln College.