Scale factors
Solve problems involving similar shapes where the scale factor is known or can be found
What you'll learn
- 1
Imagine a photo of a cat 🐱. If you make it 2 times bigger, that's a scale factor of 2!
- 2
If you make a photo 3 times bigger, what is the scale factor?
- 3
Drag to make this rectangle 2 times bigger. The new rectangle should be 2 times taller and 2 times wider.
- 4
A shape has sides 3 cm and 4 cm. Scale it up by 3. How long are the new sides?
- 5
A shape has side 5 cm. Scale factor is 4. How long is the new side?
- 6
Scale this shape up by factor 2. The original has 2 rows and 3 columns. Make it 2 times bigger!
- 7
A rectangle is 2 cm by 5 cm. Scale factor 3. What is the new width?
Practise Scale factors with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 10–11. Aligned to the UK National Curriculum.