Class 9th Mathematics Chapters - English Medium Mathematics Part 1: Algebra 1. Sets 2. Real Numbers 3. Polynomials 4. Ratio and Proportion 5. Linear Equations in Two Variables 6. Financial Planning 7. Statistics Mathematics Part 2: Geometry 1. Basic Concepts in Geometry 2. Parallel Lines 3. Triangles 4. Constructions of Triangles 5. Quadrilaterals 6. Circle 7. Co-ordinate Geometry 8. Trigonometry 9. Surface Area and Volume