The Excel Mathematics Study Guide Years 9-10 is essential for all students who want to Excel at Maths. This comprehensive book both supports and challenges students by providing tools to explain important mathematical concepts and giving ample opportunity to practise at a variety of levels. This book contains: Explanations of important concepts with Examples and Worked Solutions; Checklists at the end of each chapter with page references to explanations; Plenty of Exercises in the Practise Practise sections at the end of each chapter with page references to explanations (Answers and Worked Solutions are provided); Two levels of timed Tests (Intermediate and Advanced) at the end of each chapter; Worked Solutions and a marking system that gives feedback are provided; Two levels of timed Sample Exam Papers that cover the work for Year 9 and 10 Mathemaics and provide preparation for final examinations (Worked Solutions are provided); A comprehensive Index.