This fantastic all-in-one guide is packed with revision and practice for Cambridge International Examination GCSE Maths! It includes crystal-clear study notes and examples on all the Core and Extended material. To put students’ knowledge to the test, practice and exam-style questions round off every topic, and two full sets of practice papers are included (one for Core and one for Extended material) with answers. What’s more, we’ve thrown in a free Online Edition that lets you read the entire book on a PC, Mac or tablet — you'll have access via 'My Online Products' on the CGP website from the moment you place your order. When the book arrives, just use the unique code printed inside the cover to gain full access.