Book excerpt: This superb all-in-one Complete Revision & Practice Guide has everything students need to tackle the A-Level Maths exams. It covers every topic for the Edexcel course, with crystal-clear revision notes and worked examples to help explain any concepts that might trip students up. It includes brand new 'Spot the Mistakes' pages, allowing students to find mistakes in mock answers, as well as sections on Modelling, Problem-Solving and Calculator-Use. We've also included exam-style practice questions to test students' understanding, with step-by-step video solutions for some of the trickier exam questions. For even more realistic exam practice, make sure to check out our matching Edexcel Exam Practice Workbook (9781782947400).