This book contains all-in-one exam preparation resources for all Foundation Level GCSE Maths courses, including a free Online Edition to use on a PC, Mac or tablet device. Every topic is clearly explained in CGP's informal, straightforward style, with plenty of tips and worked examples. Each mini-section is rounded off with a quick warm-up test and a selection of exam-style questions, with detailed answers at the back. At the end of the book, you'll find two full practice exam papers - you can watch fully worked video solutions to these papers once you've accessed the Online Edition of the book.