In the ratio A:BA:BA:B, why does the order of the numbers matter?
It must list the smaller number first so the ratio is simplified.
It must match the order of words in the question (e.g. "apples to oranges").
It must place the larger number first, regardless of the wording in the question.
It must match the order of calculation used to find the two quantities.
Flashcards for Edexcel IGCSE Maths Writing and Simplifying Ratio, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 20 cards, matched to the Edexcel IGCSE Maths (4MA1) specification.