What are the two steps of the unitary method to solve proportion problems?
Flashcards for CIE IGCSE Maths Direct and Inverse Proportion, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended). 20 cards, matched to the CIE IGCSE Maths (0580) specification.