These resources have been created for the Cambridge IGCSE (R) and O Level Additional Mathematics syllabuses (0606/4037). This coursebook is for students and teachers following the Cambridge IGCSE (R) and O Level Additional Mathematics (0606/4037) syllabuses. It takes a practice-based approach, with explanations of mathematical concepts followed by exercises for students to practice the skills required and give them the confidence to apply them. The book contains classroom discussion exercises, extra challenge questions and examples of worked solutions.