There are 15 chapters starting from the number system to probability in the CBSE class 9 maths. which are listed below

1. Number Systems
2. Polynomials
3. Coordinate Geometry
4. Linear Equations in Two Variables
5. Introduction to Euclid's Geometry
6. Lines and Angles
7. Triangles
8. Quadrilaterals
9. Areas of Parallelograms and Triangles
10. Circles
11. Constructions
12. Heron's Formula
13. Surface Areas and Volumes
14. Statistics
15. Probability