This video looks at GCSE maths enlargements by a scale factor type questions, and is aimed at around grade 3. The questions should be reasonably straightforward, although you’ll need to be fairly precise with your drawings. It’s always good to have a sharp pencil, and a ruler on hand 🙂
Download a copy of the questions here: Quick Test Enlargements
Here’s a copy of the written answers: Quick Test Enlargement ANSWERS
These types of questions appear in all the main GCSE exam boards – Edexcel, AQA, OCR and Educas – and are fairly common for non calculator papers.
Top Tips!
- Draw the lines of enlargement to give an indication of where the new corners (vertices of the shape) will be located.
- Don’t forget to write enlargement as part of your answer
- Don’t forget to work out the scale factor if you asked to
- Always show your working – including any vectors
Here’s a post that also might be of interest:
How to enlarge a shape by a scale factor
Enlargement by a negative scale factor
How to change the subject of a formula; grade 5 maths GCSE
Please do leave a comment below if you are not sure. Alternately you can view my YouTube channel and leave a comment there – I’ll always try to respond as quickly as possible.
Watch this video on YouTube:
Enlargements by a scale factor – GCSE maths grade 3
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