What this topic covers
Ratio, proportion and rates of change has 5 subtopics:
- Units, Scale and Similarity
- Ratio and Proportion Fundamentals
- Percentages and Financial Maths
- Direct and Inverse Proportion
- Rates of Change and Growth
GCSE Edexcel Foundation Maths
Ratio, proportion and rates of change – GCSE Edexcel Foundation Maths revision notes
Revise Ratio, proportion and rates of change for GCSE Edexcel Foundation Maths, including Units, Scale and Similarity and Ratio and Proportion Fundamentals.
Ratio, proportion and rates of change covers Units, Scale and Similarity, Ratio and Proportion Fundamentals, Percentages and Financial Maths, and Direct and Inverse Proportion in GCSE Edexcel Foundation Maths. 23 lessons in 5 subtopics.
23
Lessons
5
Subtopics
Ratio, proportion and rates of change lessons by subtopic
23 lessons, grouped by subtopic.
Units, Scale and Similarity
- Converting Between Standard and Compound Units
- Scale Factors, Scale Diagrams and Maps
- Working with Compound Units
- Comparing and Scaling in 2D and 3D
Ratio and Proportion Fundamentals
- Expressing One Quantity as a Fraction of Another
- Simplifying and Interpreting Ratios
- Dividing Quantities Using Ratios
- Ratio in Real-World Contexts
- Expressing Multiplicative Relationships as Ratios and Fractions
- Understanding Proportion as Equality of Ratios
- Connecting Ratios, Fractions and Linear Functions
Percentages and Financial Maths
- Percentage Basics and Percentage of Amounts
- Comparing and Working with Percentages
- Percentage Change and Financial Applications
Direct and Inverse Proportion
- Modelling Direct and Inverse Proportion
- Working with Proportion Equations
- Solving Direct and Inverse Proportion Problems
Rates of Change and Growth
More in this course
Go back to the full GCSE Edexcel Foundation Maths topic list, or practise this topic with past-paper questions.
Frequently asked questions
Is this the right Ratio, proportion and rates of change page for my course?
These notes are for GCSE Edexcel Foundation Maths. If you are on a different exam board or tier, choose your course from the Maths page instead, because the content is not always the same.
What should I do after reading the lessons?
Test yourself without the notes open, then try past-paper questions on the same topic. The questions you get wrong tell you which lesson to go back to.