Section 3: Ratio, Proportion & Rates of Change
All of the content in section 3 is free. Section 3 is split into 3 different subsections; Direct & Inverse proportion, Percentages and Ratio. Within each section, there is written content covering the different concepts, short quizzes with worked solutions to test your knowledge of the concepts and OCR past paper questions with worked solutions. Click on the different subsections to start revising.
- 3.1 Direct & Inverse Proportion
- 3.2 Percentages
- 3.3 Ratio