This book has been specifically written for the new two-tier Edexcel linear GCSE specification for first examination in 2008 by the highly successful Framework Maths author team. The book is targeted at the D to B grade range in the Higher tier GCSE, and it comprises units organised clearly into inspiring full-colour spreads. Each unit offers: BLPrior learning assessed at the start so students are fully prepared for the topic BLLearning objectives identified so it is clear what students need to know BLClear explanations with examples showing the key techniques BLPlenty of practice with clearly differentiated questions pitched at an appropriate level BLSummaries and past Edexcel questions to help students gain responsibility for their learning It forms part of a series of four student books at GCSE, in which the other three books cater for grade ranges G to E, E to C and B to A*.