Class 9 Mathematics
Explore all math topics for Class 9. Choose your board below to see the relevant curriculum topics.
Central Board of Secondary Education Topics
15 topics · 15 available now
Number Systems
Classify numbers into naturals, integers, rationals, and irrationals; represent on number line.
Polynomials
Understand degree, zeroes of polynomials, remainder theorem, and factor theorem.
Coordinate Geometry
Plot points on the Cartesian plane and understand abscissa, ordinate, and quadrants.
Linear Equations in Two Variables
Form and graph linear equations in two variables; find solutions as ordered pairs.
Introduction to Euclid's Geometry
Study Euclid's definitions, axioms, postulates, and their role in building geometry.
Lines & Angles
Prove and apply theorems on linear pairs, vertically opposite angles, and parallel line transversals.
Triangles
Study congruence rules, properties of isosceles triangles, and inequalities in triangles.
Quadrilaterals
Prove angle sum property, properties of parallelograms, and mid-point theorem.
Areas of Parallelograms & Triangles
Prove theorems relating areas of figures on the same base and between the same parallels.
Circles
Study chords, arcs, angles subtended by chords, and properties of cyclic quadrilaterals.
Constructions
Construct bisectors of line segments and angles, and triangles given specific conditions.
Heron's Formula
Apply Heron's formula to find areas of triangles and quadrilaterals split into triangles.
Surface Areas & Volumes
Calculate surface area and volume of cubes, cuboids, cylinders, cones, and spheres.
Statistics
Collect data, draw frequency tables and histograms, and compute mean, median, and mode.
Probability
Understand experimental probability through repeated experiments and frequency approach.