Cambridge IGCSE Mathematics
2.8Proportion
Proportion in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 2.8.1Extended: express direct and inverse proportion algebraically, including proportion to a square, cube, square root or cube root, using the ∝ symbol.
- 2.8.2Extended: use an equation of proportion to find unknown quantities.
Lessons
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Direct and inverse variation
35 min
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Sample question
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