This is a lesson with a worksheet (+answers) looking at why and how to use the Sine Rule. 16 slides.
It includes a starter, lesson objectives, where the sine rule comes from, very clear teaching examples, with key mistakes, a flow diagram to look at when to use the sine rule. A worksheet with answers, and a plenary.
This is a very structured and organised lesson, which has been changed over the years to its current format. It can be fitted into one lesson, but often I do it over 2 lessons for further understanding and progress. This is part of an excellent sequence of lessons that I have added to a bundle/series that I highly recommend.
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