Arithmetic Series – Edexcel IAL Pure 2 (Chapter 5.2) – Complete Lesson

A complete, ready-to-teach PowerPoint lesson on arithmetic series for Pearson Edexcel International A Level Pure Mathematics 2 (WMA12). It covers arithmetic series, including the proof of the sum formula. Students find sums to n terms and up to a last term, find the least number of terms to exceed a total and solve simultaneous equations from a term and a sum.

What’s included (21 slides):

• Learning objectives, prior knowledge and key words
• 5-minute retrieval starter
• Explanation slides: Proof: the sum of an arithmetic series; Arithmetic series
• 5 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 (8 marks) with full mark scheme
• Exit ticket and “Can I…” checklist
• Speaker notes on every slide

Follows section 5.2 of the Pearson Edexcel IAL Pure Mathematics 2 textbook, with Exercise 5B suggested for independent practice. All questions are original.

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