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Ratio, Proportion & Rates of Change Revision

Ratio, percentages, direct & inverse proportion, growth & decay — part of Edexcel GCSE Maths on KODO.

Edexcel

Ratio, Proportion & Rates of Change is part of the Pearson Edexcel GCSE Mathematics (1MA1) specification. It is assessed in your GCSE exams, so secure knowledge here feeds straight into your final grade.

This topic includes subtopics such as Ratio, Percentages, Direct, Inverse proportion and more. Each area is tested with multiple-choice questions that include detailed explanations to deepen your understanding.

Quick Reference

RatioKey area within Ratio, Proportion & Rates of Change
PercentagesKey area within Ratio, Proportion & Rates of Change
DirectKey area within Ratio, Proportion & Rates of Change
Inverse proportionKey area within Ratio, Proportion & Rates of Change

Key Definitions

Ratio
A key concept within Ratio, Proportion & Rates of Change (Edexcel GCSE Maths). Covered in the national curriculum and assessed in exams.
Percentages
A key concept within Ratio, Proportion & Rates of Change (Edexcel GCSE Maths). Covered in the national curriculum and assessed in exams.
Direct
A key concept within Ratio, Proportion & Rates of Change (Edexcel GCSE Maths). Covered in the national curriculum and assessed in exams.
Inverse proportion
A key concept within Ratio, Proportion & Rates of Change (Edexcel GCSE Maths). Covered in the national curriculum and assessed in exams.
Growth
A key concept within Ratio, Proportion & Rates of Change (Edexcel GCSE Maths). Covered in the national curriculum and assessed in exams.

What You'll Cover

Ratio
Percentages
Direct
Inverse proportion
Growth
Decay

Test Yourself — Ratio, Proportion & Rates of Change

Try 3 quick questions. No account needed.

Quick Quiz

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Memory Tricks & Mnemonics

Create flashcards for each Ratio, Proportion & Rates of Change subtopic

Active recall is proven to be more effective than re-reading notes.

Use spaced repetition — review after 1 day, 3 days, 7 days, 14 days

KODO's built-in spaced repetition system schedules reviews automatically.

Frequently Asked Questions

What does Ratio, Proportion & Rates of Change cover in Edexcel GCSE Maths?+
Ratio, Proportion & Rates of Change in Edexcel GCSE Maths covers Ratio, Percentages, Direct, Inverse proportion, Growth, Decay. Ratio, percentages, direct & inverse proportion, growth & decay.
What is the best way to revise Ratio, Proportion & Rates of Change?+
Test yourself rather than re-reading notes. Do a short Ratio, Proportion & Rates of Change quiz, read the explanation for every answer you get wrong, then come back to those questions a few days later. KODO does this automatically with spaced repetition, and you can turn any topic into printable flash cards.
Is Ratio, Proportion & Rates of Change revision on KODO free?+
Yes. KODO is free for everyone until Friday 18 December 2026, with unlimited quizzes on Ratio, Proportion & Rates of Change and every other topic. After that there is still a free plan with daily quizzes.
Which exam board is this Ratio, Proportion & Rates of Change revision for?+
This page follows the Pearson Edexcel GCSE Mathematics (1MA1) specification. KODO also has GCSE revision for the other main boards (AQA, Pearson Edexcel and CCEA), and pupils pick their board when they sign up.

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