NCERT CBSE 9th Class Mathematics Lesson Summary : Maths & Science

Maths

Chapter As Per NCERT	Topic
Number System	Irrational Numbers
	Real Numbers
	Operation On Real Numbers
	Laws of Exponents
Polynomials	Polynomials in One Variable
	Remainder Theorem
	Factor Theorem
	Factorization of Polynomials Using Algebraic Identities
Co-Ordinate Geometry	Cartesian Plane
Linear Equation in Two Variable	Introduction to Linear Equation in Two Variables
Linear Equation in Two Variable	Graphics Representation of Linear Equation in two Variables
Euclid Geometry	Introduction to Euclid’s Geometry
Lines and Angles	Lines and Angles
Lines and Angles	Parallel Lines
Triangles	Congruency of Triangles
	Properties of Triangles
	Inequalities in a Triangle
Quadrilaterals	Quadrilateral and Its Types
	Properties of a Parallelogram
	Mid-Point Theorem
Areas of Parallelograms and Triangles	Areas of Parallelograms
Areas of Parallelograms and Triangles	Areas of Triangles
Circles	Basic Concepts of a Circle
	Chords of a Circle
	Arc of a Circle
	Cyclic Quadrilaterals
Constructions	Basic Constructions
Constructions	Constructions of Triangles
Heron's Formula	Heron's Formula
Surface Areas and Volumes	Cube & Cuboid
	Cylinder
	Cone
	Sphere & Hemisphere
Statistics	Collection and Presentation of Data
	Graphical Representation of data
	Measures of Central Tendency
Probability	Probability - Experimental Approach