3.27 Pythagoras’ Theorem GCSE PowerPoint Lesson

In this 30-slide lesson, pupils will discover and apply Pythagoras’ Theorem to find missing sides in right-angled triangles. The lesson focuses on identifying when the need to rearrange arises, as pupils identify whether the hypotenuse or a shorter side length is missing. Both square roots and squares will be practised, including non-integer answers. Problem-solving tasks and contextual questions help pupils apply the theorem beyond simple triangle diagrams.

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 geometry concepts.