Three-part ratio 2:3:5

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. What a proportion is
2. Divide a quantity in the ratio 2:3
3. Three-part ratio 2:3:5
4. A share as a fraction of the whole
5. Relating different proportional parts
6. Compound proportion when B already matches
7. Compound proportion when B must be scaled
8. Rate of work: job per hour
9. More workers, less time
10. A and B working together
11. Kenya word problems: share, mix, paint
12. Review: parts, compound, rates