Class IXth Maths basically includes some important chapters from the NCERT book like Number Systems, Polynomials, Coordinate Geometry, Linear Equations in Two Variables, Euclid’s Geometry, Lines and Angles, Triangles, Quadrilaterals and Areas of Parallelograms and Triangles etc. Below, we have provided the CBSE Class IXth Maths Notes on all these chapters. Click on the Chapters below to access the chapter-wise Notes of the Class IXth Maths subject.