19:33 Enlargements - GCSE Maths
Thorough GCSE walkthrough of enlargements including how to describe them and read off the scale factor.
Identify the scale factor of an enlargement
Identify the scale factor of an enlargement
4 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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4 shown 19:33 
4:22 Finding Scale Factor Big to Small and Small to Big
Shows how to find the scale factor both from big-to-small and small-to-big shapes.
15:53 Enlargements - Drawing & Describing | Transformations | GCSE Maths Tutor
Clear GCSE tutorial on drawing and describing enlargements, including identifying the scale factor.
2:31 Enlargements - Corbettmaths
Short, clear Corbettmaths explainer on enlarging shapes by a scale factor on a grid.