A complete, ready-to-teach PowerPoint lesson on logarithms for Pearson Edexcel International A Level Pure Mathematics 2 (WMA12). It introduces logarithms as the inverse of powers. Students convert between index and log form, evaluate logs without a calculator (including bases less than 1), solve simple log equations and use a calculator for logs.

What’s included (20 slides):

• Learning objectives, prior knowledge and key words
• 5-minute retrieval starter
• Explanation slide: What is a logarithm?
• 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 (4 marks) with full mark scheme
• Exit ticket and “Can I…” checklist
• Speaker notes on every slide

Follows section 3.2 of the Pearson Edexcel IAL Pure Mathematics 2 textbook, with Exercise 3B suggested for independent practice. All questions are original.

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