## A Mathematics Lesson Starter Of The Day

12cm

10cm

### Calculate the distance around this shape(all angles are right angles)

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• Y9 Maths girlies in da Heeley hood, Rawthorpe High, Huddersfield
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• Hello, this was easy peasy but we enjoyed it, particularly Tamera who says she has a room at home shaped like that.
We love a good starter, especially on a Monday morning. x
• Lewis Paton, Carnoustie High School.
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• It was shapetastic.
• 7abM3 Maths Class, King Alfred's College OXON
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• Today's starter sparked off a good chat about shapes. Eventually most of my class could see how to get the answer.
• Transum,
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• So when the answer is realised there is typically a sense of amazement that the calculation is so simple. As a follow-on activity pupils might be challenged to draw another seemingly complex shape that has a simple calculation to calculate the perimeter. This is a useful activity which helps provide a sound background for geometrical problem solving in general.
• Winnie, London
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• My year 6 class just loved this puzzle.
• Mrs Walker, St.James' School
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• My class had a discussion about this perimeter puzzle and I was then able to teach my class using this problem. A great morning starter.
• My Class, Lord Grey School
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• AWESOME!! It took us a while but we got it in the end.
• Mr Lloyd, DSLV 5TL
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• Some of the class got this straight away, but the rest of the class couldn't see the answer.
• British International School, Moscow
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• My class found this problem angleastic!!!!!
• Lloyd Entwistle, Salford City College
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• Loved this problem. Students first complained that they did not have enough information but then slowly realised that they could solve it!
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How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.

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This starter has scored a mean of 3.2 out of 5 based on 264 votes.

Previous Day | This starter is for 9 June | Next Day

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 Teacher, do your students have access to computers?Do they have iPads or Laptops in Lessons? Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

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## Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

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