This book aims to help students get a firm grasp of the concepts involved in this level of Mathematics curriculum. The chapters are in accordance with the latest GCE O-Level Mathematics. Each chapter starts with brief notes and examples, where necessary. Questions in each chapter take students on a trip from easy sums to tough ones, developing their confidence along the way. A Specimen paper at the end of this book is designed to let students self-test themselves within the allotted time. The Answers section provides worked solutions for practically all the questions. We sincerely hope that students will benefit greatly from this book