Circles and Triangles – Edexcel IAL Pure 2 (Chapter 2.5) – Complete Lesson

A complete, ready-to-teach PowerPoint lesson on circles and triangles for Pearson Edexcel International A Level Pure Mathematics 2 (WMA12). It covers the circumcircle of a triangle. Students use a right angle to identify a diameter, find the circle through three points using perpendicular bisectors, and find the area of a triangle formed by the centre and the points where a circle meets an axis.

What’s included (19 slides):

• Learning objectives, prior knowledge and key words
• 5-minute retrieval starter
• Explanation slide: The circumcircle of a triangle
• 4 worked examples, built up one step per click, each followed by a “You Do” question with a full worked solution
• Common mistakes slide
• Practice questions with answers
• Exam-style question (7 marks) with full mark scheme
• Exit ticket and “Can I…” checklist
• Speaker notes on every slide

Follows section 2.5 of the Pearson Edexcel IAL Pure Mathematics 2 textbook, with Exercise 2F and Chapter review 2 suggested for independent practice. All questions are original.

For video lessons, find Mr Edine Maths on YouTube (@mredinemaths).