3.5 Angle Facts GCSE PowerPoint Lesson

In this 21-slide lesson, pupils will learn and apply key angle facts, including angles on a straight line summing to 180°, angles around a point summing to 360°, and the internal angles of a triangle totalling 180°. Through guided examples and problem-solving tasks, pupils will develop their ability to calculate missing angles and justify their reasoning using correct mathematical language.

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.