Ratio, proportion and rates of change: solve problems involving direct and inverse proportion, including graphical and algebraic representations(Pearson Edexcel GCSE)

Mastery Mind: Mathematics Revision · Oct 21, 2026 · 5m

A fixed multiplier makes quantities grow together; a fixed product makes one shrink as the other grows. Learn to recognise each relationship, find its constant and move confidently between calculations, equations and graphs, including clearly labelled Higher-tier equation-construction exercises. Listen to this audio revision guide for Ratio, proportion and rates of change: solve problems involving direct and inverse proportion, including graphical and algebraic representations. Test your knowledge with interactive exam questions and flashcards at…