This Online Edition of CGP's Higher Level GCSE Maths / IGCSE Maths Textbook contains thousands of practice questions (with answers)! For each topic, there are worked examples that show students how to approach problems step-by-step, followed by a huge number of questions that build up in difficulty as they gain confidence. When you order this Online Edition, you'll receive a card with a unique access code - you'll just need to redeem this code on the CGP website to access the whole book on your PC, Mac or tablet. A printed version of this Textbook is also available (9781782944379).