If you really want to make sure you know international gcse math's, reading through your study notes just isn't enough - you'll need to test yourself. And that's where these cgp revision question cards come in! There are 95 cards in the pack, covering every key grade 9-1 edexcel topic. Each one starts off with quick questions to warm you up, followed by harder questions to get your brain into top gear (you won't need a calculator or pen and paper). Flip the card over and you'll find full answers to each question, carefully written to help you understand everything you need to know.