3.41 Negative Enlargements GCSE Higher PowerPoint Lesson

In this 26-slide lesson, pupils will explore enlargements with negative scale factors, building on their understanding of positive scale factor transformations. They will learn how a negative scale factor causes a shape to enlarge in size while also being rotated 180° about the centre of enlargement.

Pupils will practise:

• Describing and performing negative enlargements

• Identifying the scale factor and centre of enlargement

• Understanding the geometric effect of a negative transformation

Note this lesson is for the higher tier.

The lesson includes:

• Clear, guided examples

• Discussion opportunities from Think, Pair, Share

• Mini whiteboard section to check understanding and clarify misconceptions

• One structured task to practise key skills

• Challenge activity to extend and deepen learning

Perfect for engaging learners while reinforcing essential geometry concepts.