Ratio & Proportion
A ratio compares parts — like 2 cups of flour for every 1 cup of sugar.
Ratio notationSharing in a ratioScale factorsUnequal sharing problems
📖 Learn
Read ratios
3 : 2 means for every 3 of the first, there are 2 of the second.
Sharing
Add the parts, find one part, then multiply.
Scaling
A recipe for 4 needs doubling for 8 people.
Worked example
Share £30 in the ratio 2 : 3
- 1Total parts = 5
- 2One part = 30 ÷ 5 = £6
- 32 × 6 = £12 and 3 × 6 = £18 ✅
🧪 Play with it: Sharing sweets
30 shared 2:3 → one part = 6 → 12 and 18
⭐ Practise
π
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