A worksheet to help pupils discover the rules that angles on a point total 360 degrees, in a triangle total 180 degrees and in a quadrilateral total 360 degrees. And a SMART notebook file to use in the plenary to share what they have found out, and to guess (and test) as a class what the rule might be for angles on a straight line. Topics also included: measure.


  • Angles Investigation.doc
  • Recap - angles investigation.notebook

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Created: Oct 21, 2009

Updated: Oct 31, 2014

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This resource is designed for UK teachers. View US version .

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