This book has been created for the new GCSE specification for first examination in 2010. The book is targeted at the Higher tier GCSE, and it comprises units organised clearly by topic. Each unit offers: *Summary of objectives at the start so it is clear what students need to know *Clear explanations with examples showing the key techniques *Plenty of practice with clearly differentiated questions pitched at an appropriate level *Summaries and past exam questions to help students gain responsibility for their learning *Functional maths and problem-solving highlighted throughout