This work features the proven successful & traditional model from these authors. Each chapter presents the necessary text fully worked examples & plenty of carefully graded questions. Each book starts with a summary of the main results from the previous books for continuity. Summaries & revision exercises are phased through the books to provide extra consolidation work. Practical work investigations or puzzles feature in every chapter. Ma 1 activities are explicit & relevant to the mathematics being learned. Challenge questions are included to stretch the most able pupils.