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Students revise how to use the Cosine Rule to calculate unknown lengths and angles in non-right-angled triangles. As learning progresses they use the Cosine and Area of a Triangle rules.

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**Scheme of Work Link**

Trigonometry - Non-Right-Angled Triangles

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Solving Problems with Non-Right-Angled Triangles**IMMEDIATE DOWNLOAD**

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October 28, 2019

Last year my school had a OFSTED trial inspection. Whilst the maths team recieved favourable feedback the inspectors noted a need for a focus on whole school literacy. Because of this I was asked to demonstrate how we develop student’s literacy in mathematics. Literacy in Mathematics By developing student’s literacy in mathematics we aim to […]

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There are two key learning points when solving problems with angles in polygons. The first is to understand why all the exterior angles of a polygon have a sum of 360°. The second is to understand the interior and exterior angles appear on the same straight line. Students can be told these two facts and […]

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When getting ready for a new school year I have a list of priorities to work through. Knowing my team have all the information and resources they need to teach their students gives me confidence we will start the term in the best possible way. Mathematics Teaching and Learning Folder All teachers receive a folder […]