This updated second edition provides write-in practice specially designed to support students aiming for Grades 7-9 at GCSE. It has been carefully written to build students' familiarity and confidence with the content and skills required for exam success. A step-by-step 'On your marks' approach hones students' ability to answer different types of exam questions effectively and provides scaffolded support for tricky threshold topics and concepts from the AQA specification. The book includes annotated sample answers and a full set of exam papers to practise exam technique and is suitable for both independent study and in-class exam preparation. Written with reference to the 2019 examiner reports and latest AQA guidance, you can be confident that this book reflects a real understanding of what is required for success at GCSE level. Includes answer guidance to all activities; mark schemes for exam papers are provided online. Also available: Student Book, Revision Guide, Fieldwork, Kerboodle, Kerboodle Book (student access) Also available as ebook: 9781382029087; Grades 4-6 version also available: 9781382029056