Similarity in Maths: Understanding Similar Shapes, Area, and Volume

Similarity in maths involves shapes that have the same proportions but different sizes. At GCSE level, students learn to calculate lengths of similar shapes, apply scale factors to areas and volumes, and solve problems involving similarity.

Core level focuses on finding corresponding lengths, while Extended covers relationships between lengths, areas, and volumes, along with problem-solving.

Similar Shapes

This video covers the basic of similar shapes in 2D and how to use scale factors to find the missing side lengths.

Similar Areas and Volumes

This video explains how to use similarity of shapes to find missing areas and volumes.

The full lesson on similarity is coming soon, but if you're ready to test your skills, try the practice questions below.