1.15 HCF and LCM GCSE PowerPoint Lesson

This 34-slide lesson explores two key methods for finding the Highest Common Factor and Lowest Common Multiple:

1. Listing method

2. Prime factorisation with Venn diagrams

Includes a mixture of questions including contextual worded problems.

Note this is lesson three, out of four on factors, multiples, primes.

The lesson includes:

• Clear, guided examples

• Discussion opportunities from Think, Pair, Share

• Mini whiteboard section to check understanding and clarify misconceptions

• Two structured tasks to practise key skills

• Challenge activity to extend and deepen learning

Perfect for engaging learners while reinforcing essential numeracy concepts.