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What proportion means

What proportion means

Proportion compares quantities that change together in a multiplicative way. If one quantity is multiplied by a factor, the other follows a predictable rule too.

Direct and Inverse Proportion Lesson

  1. IGCSE
  2. /Maths
  3. /Direct and Inverse Proportion

Step-by-step lessons covering CIE IGCSE Maths Direct and Inverse Proportion for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) format. Start with the Core-tier fundamentals in number and algebra before moving on to the more demanding Extended-only topics like calculus-adjacent algebra and advanced trigonometry.

Lessons