How to revise for GCSE Maths: a method that actually raises grades
TutorAura guide · Updated
Maths is learned by doing questions, so that's how it should be revised. Rereading notes or watching videos feels productive but builds little of the skill the exam tests. The students who improve most find their weakest topics, practise them with feedback, mix topics together so they learn to choose methods, and space revision over weeks rather than cramming (Dunlosky et al., 2013).
Here's a step-by-step method, whether your exam is in three months or three weeks.
Key takeaways
- Revise by doing questions, not rereading notes.
- Use a past paper to find weak topics, then target them.
- Mix topics and space revision over several weeks.
- Mark everything and keep a mistakes log.
1. Find your weak topics
Start with a full past paper under timed conditions, or a topic checklist from your exam board's specification. Mark it with the official mark scheme and sort topics into three groups:
| Group | Meaning | What to do |
|---|---|---|
| Red | Can't do it | Relearn the method, then practise |
| Amber | Sometimes right | Mixed practice until it's reliable |
| Green | Secure | Occasional practice to keep it fresh |
Spend most of your time on red and amber topics, starting with those that come up often.
2. Practise questions with feedback
For each red or amber topic:
- Relearn the method from your notes, textbook or a worked example.
- Do several questions without looking at the method.
- Mark them immediately. For each mistake, find the exact step that went wrong.
- Write it in your mistakes log (topic, what went wrong, what to do next time).
- Redo the missed questions a few days later.
Getting feedback on your working, not just the final answer, is what makes this fast. An AI tutor can check your working step by step.
3. Mix topics and space your sessions
Doing 20 questions of the same type teaches you to repeat a method, but the exam mixes topics, so you also need to recognise which method a question needs. Research shows that mixing problem types in practice improves performance on later tests compared with blocking them (Rohrer and Taylor, 2007). And spreading revision across weeks helps you remember more than the same time crammed into a few days (Cepeda et al., 2006).
In practice: short daily sessions with a mix of topics, revisiting each topic every week or so. See interleaved practice and spaced repetition.
4. Use past papers properly
- Early on: use individual questions by topic to practise weak areas.
- Closer to the exam: do full papers under timed conditions, with your board's formulae sheet.
- Always mark with the mark scheme. Notice where method marks are given, and show your working so you earn them.
- Don't burn through papers without review. One carefully reviewed paper teaches more than three unreviewed ones.
Your exam board publishes past papers and mark schemes on its website. See also how to use practice tests.
5. Know the formulas and the calculator
A formulae sheet is provided in GCSE Maths exams (confirmed through 2027), but many basic formulas and facts aren't on it, and you still need to choose the right one. See GCSE Maths formulas. Practise the calculator papers with your own calculator, so you know how to use fractions, powers, roots and memory functions quickly.
A weekly plan
| Day | 30 to 45 minutes |
|---|---|
| Mon | Red topic: relearn and practise |
| Tue | Mixed questions across 4 to 5 topics |
| Wed | Amber topic practice; redo last week's mistakes |
| Thu | Mixed questions, including one longer problem-solving question |
| Fri | Red topic: practise again |
| Weekend | One timed past paper (or half), marked and logged |
For a full plan across all subjects, see how to make a GCSE revision timetable.
Frequently asked questions
What's the best way to revise for GCSE Maths?
Do questions rather than reading notes: find your weak topics, practise them with feedback, mix topics together and space revision over several weeks.
How many past papers should I do?
Quality matters more than number. Do full papers under timed conditions closer to the exam, and always mark and review them carefully.
When should I start revising for GCSE Maths?
Ideally a few months before the exams, with short regular sessions. If you have less time, focus on the topics that come up most and your weakest areas.
Do I get a formula sheet in GCSE Maths?
Yes, a formulae sheet is provided in GCSE Maths exams in England through at least 2027.
Sources
- Improving Students' Learning With Effective Learning Techniques. Psychological Science in the Public Interest (Dunlosky et al.), 2013.
- The shuffling of mathematics problems improves learning. Instructional Science (Rohrer and Taylor), 2007.
- Distributed Practice in Verbal Recall Tasks: A Review and Quantitative Synthesis. Psychological Bulletin (Cepeda et al.), 2006.
- Update: GCSE Maths and GCSE Sciences formulae and equation sheets for 2026-2027. AQA.
Keep reading
GCSE Maths
Topic guides, practice questions, a diagnostic and timed mock papers.
GCSE Maths formulas: the formula sheet and what you still need to know
What the GCSE Maths formulae sheet includes, which formulas you still need, and how to use the sheet in the exam.
How to make a GCSE revision timetable you'll actually follow
Count your weeks, rank topics, plan short spaced sessions across subjects and leave room for rest.
Check your math work and find exactly where it went wrong
Write your working on the whiteboard; the tutor checks each line, finds the first mistake and helps you fix it.