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CLIP 13551

Understanding radius and diameter

Understanding radius and diameter

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Key Info
  • Understanding radius and diameter
  • Duration: 03:42
  • At the Grecian Pizza Parlour new employee, Ambrose, learns how to make pizzas. The boss needs to teach Ambrose about radius and diameter as he puts the cheese strips onto the circular pizza for his first customer. Three radius and diameter questions of increasing difficulty are posed at the end of the scenario to consolidate the learning. First broadcast in the Learning Zone on BBC2 in March 2012 as part of the series Let's Do Maths.
  • Subject:



    Problem Solving: Measures and Shape

  • Keywords: LetsDoMaths, circle, centre, radii, circumference, segment, area, estimate, radius, diameter
Ideas for use in class
  • For use as a lesson starter to introduce or reinforce the concept of radius and diameter in a real life context. There are 3 differentiated questions that could be paused for discussion and finding solutions individually, on whiteboards or as whole class. The final question allows for extended investigations into fraction learning.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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