5 GCSE Maths Revision Tips That Actually Work
GCSE Maths revision can feel overwhelming, especially when you're not sure where to start or whether what you're doing is actually moving your grade. I've been teaching maths for years, and I've seen the same patterns come up again and again — students putting in real hours and still not seeing results, usually because of how they're spending that time rather than how much of it they're spending.
These are the five things that I genuinely believe make the biggest difference.
1. Work Through Past Papers Under Timed Conditions
This is the single most effective thing you can do in the run-up to the exam. Set a timer, put your phone face down, and work through the paper as if you're sitting the real thing — no peeking at the mark scheme, no stopping to Google a method.
When you've finished, mark it carefully. Spend more time on the questions you dropped marks on than the ones you got right. The goal isn't just to get a score — it's to understand exactly what went wrong and why, so the same thing doesn't happen next time.
2. Prioritise Your Weak Topics
It's tempting to keep practising the topics you're already comfortable with. They feel productive, you get a nice run of correct answers, and you feel like you're revising. But the biggest grade gains almost always come from tackling the areas where you're actually dropping marks.
Make a list of the topics that cost you marks on your most recent mock or class test. Those are the ones to start with. Common areas that trip students up on the way from grade 3 to grade 5 include algebraic manipulation, trigonometry and Pythagoras, percentage problems, and probability trees — but your list might look different, and that's fine. Work from your own results, not a general guide.
3. Know Your Formula Sheet Inside Out — Including What's Not on It
Your exam board will give you a formula sheet at the start of the paper, but it doesn't include everything. A lot of students go into the exam assuming it'll be there, only to find it isn't.
The formulas you'll need to know from memory include the area of a triangle (½ × base × height), Pythagoras' theorem, the area and circumference of a circle, and the equation of a straight line. Knowing exactly what you do and don't need to memorise means you can spend your time learning the right things rather than second-guessing yourself in the exam.
4. Show Your Working — Every Time
Marks in GCSE Maths are often awarded for method, not just the final answer. If you make a small arithmetic slip but your working is clear and logical, you can still pick up method marks. If you've written nothing, there's nothing to mark.
Practise writing out every step as you go, even when the working feels obvious. It takes a little longer, but in the exam it protects you from losing marks you've otherwise earned — and it also makes it much easier to go back and find where something went wrong if your answer doesn't look right.
5. Get Immediate Feedback on Your Practice Questions
One of the biggest limitations of revising from a textbook is that you don't always know whether you actually understand something or whether you've just seen a similar example and followed the steps. Immediate feedback on every question you attempt — knowing not just that you got it wrong but understanding why — is what separates practice that moves your grade from practice that fills time.
That's exactly what the student section of Bow Tie Maths is built around. You can practise topic by topic, see where you're dropping marks, and track how you're improving over time. Give it a try — it's free to get started.