In this graph, 𝑥 and 𝑦 are directly proportional. This means that when 𝑥 doubles, 𝑦 also doubles, and when 𝑥 triples, so does 𝑦. In fact, for all coordinates on this line, you could multiply or ...

There is a direct proportion between two values when one is a multiple of the other. For example, \(1\text{cm} = 10\text{mm}.\) To convert \(\text{cm}\) to \(\text{mm}\), the multiplier is always 10.

Direct proportion examples finding ‘k’ (Examples, practice and answers) Direct proportion finding k and using to find other values (Examples, practice and answers) Inverse Proportion finding ‘k’ ...

40 fully worked, exam-style questions on proportion, written for Edexcel GCSE Foundation Tier Maths (1MA1). Every single question has a complete step-by-step worked solution, mark-scheme style ...