1.39 Writing and Simplifying Ratios GCSE PowerPoint Lesson

In this 31-slide lesson, pupils will be introduced to the concept of ratios as a way of comparing quantities. They will learn how to write ratios from both visual representations and numerical contexts, using real-life and diagram-based examples to build understanding. The lesson covers forming a ratio, simplifying ratios by dividing all parts by a common factor, recognising when it is necessary to convert to the same unit of measurement before simplifying, and writing ratios in the form 1 : n and n : 1.

Note, this is lesson 1 of 3 on ratios.

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.