Ratio GCSE questions
Ratio GCSE questions: simplify, share, and scale. Add the parts before you divide.
One part
Total parts = sum of the ratio. Amount ÷ total = one part.
Practice questions
Cover the answers and have a go first. Worked solutions are underneath.
Simplify 10 : 15
Share £48 in the ratio 1 : 5
2 : 3 = 8 : x. Find x.
A recipe for 4 people uses 300 g flour. How much for 10 people?
Common mistakes
- Dividing by one number in the ratio instead of the total parts.
Answers and working
Frequently asked questions
More on proportion?
The ratio and proportion guide covers direct and inverse proportion too.
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