Mathematics can be one of the more challenging subjects in the class 9 ICSE syllabus. This book breaks down complex concepts into simplified theories, ensuring that even difficult topics are easy to understand. The guide is structured to enhance learning with plenty of exercises, exam pattern questions, and sample question papers, giving students the best resources for exam readiness. The other features that will help you to succeed in the ICSE 2026 exams: • Chapter inside is given at the start of each chapter with the list of all the chapter topics • Note Matter contains additional but informational matter related to the given concept • Simplified theory is given and is well supported by Definitions, facts, figures, flowcharts, etc. • Illustrative Figures make the concept completely visible • Chapter practice exercises contain questions in the format in which these are asked in the examinations • Olympiad sections, Sample question papers, and internal assessment of practical work make this book complete in all aspects