R1, R11 · Units & Compound Measures
What are the formulae for speed, density and pressure?
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Speed = distance ÷ time. Density = mass ÷ volume. Pressure = force ÷ area.
AQA GCSE Maths · Topic 3
Ratio, Proportion & Rates flashcards
36 cards on Ratio, Proportion & Rates, every one written against a numbered point in section 3.3 of the AQA Maths spec. Here’s what the topic covers, and 4 cards to try.
- 36Flashcards
- 5Sub-topics
- 5Higher only
Try 4 cards from Ratio, Proportion & Rates.
Answer each one in your head, then check. In the app, how well you knew it decides when you see it again.
R2–R8 · Ratio
Simplify the ratio 18 : 24.
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Divide both by the HCF (6): 3 : 4
R9 · Percentages
Find 35% of £80.
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0.35 × 80 = £28
R10, R13–R14 · Direct & Inverse Proportion
What is direct proportion?
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As one quantity increases, the other increases at the same rate: y = kx. Doubling x doubles y. Its graph is a straight line through the origin.
- +32more Ratio, Proportion & Rates cards in the app, shown to you just before you’d forget them.Join the waitlist →
What’s in Ratio, Proportion & Rates?
Every part of section 3.3 of the AQA spec, and how many cards cover it. Higher-only cards are hidden for Foundation students.
- R1, R11Units & Compound Measures6 cards
- R2–R8Ratio8 cards
- R9Percentages8 cards
- R10, R13–R14Direct & Inverse Proportion7 cards
- R12, R15–R16Rates of Change & Growth7 cards
Launching November 2026
The other 32 cards are in the app.
revolve. shows you each Ratio, Proportion & Rates card just before you’d forget it, so ten minutes a day is enough. It opens to students soon: join the waitlist and we’ll email you once, when it does.