Here's an awesome free download for those busy revising GCSE maths: A GCSE maths formula cheat sheet!
This simple but handy one-page cheat sheet provides pretty much every equation and formula you need to know for your exams (although of course be sure to check as each course is different!).
From areas, perimeters and volumes of shapes to angles and quadratics: It's got it all for you!
Download GCSE maths revision formula cheat sheet
How to revise
One way to test yourself on the formula is to print out the sheet and then hide the right hand side with another bit of paper or a book - can you then name the formula based on the explanation given?
Play the GCSE Maths formula jigsaw game!
Here's another way to revise that you've probably not tried: Print out the above cheat sheet and cut out the formulas and their explanations.
Mix all the pieces up and make sure you can connect the right formula or definition with the explanation.