Course CBSE Class 9 Maths 15 Lessons Buy You are not enrolled in this course. Please purchase this course to learn from the best quality videos. Buy Lessons Expand All | Collapse All 1. Number Systems 9 Topics Understanding Rational Numbers Rational Number Between Two Numbers Real Numbers - Rational and Irrational Numbers Representing Real Numbers on Number Line Decimal Expansion of Real Numbers Properties of Real Numbers Operations on Real Numbers Rationalization Laws of Exponents for Real Numbers 2. Polynomials 3 Topics Polynomials in One Variable Remainder Theorem and Factor Theorem Algebraic Identities 3. Coordinate Geometry 1 Topic Some Basic Concepts Of Coordinate Geometry 4. Linear Equations in Two Variables 2 Topics Linear Equation in Two Variables Linear Equation in Two Variables - Problems 5. Introduction to Euclid's Geometry 1 Topic Introduction to Euclid’s Geometry 6. Lines and Angles 4 Topics Types of Angles Transversal and Angles Made By Transversal Triangle and Its Properties Lines, Angles and Triangles - Problems 7. Triangles 4 Topics Congruence Criteria of Congruence of Triangles Examples on Criteria of Congruence of Triangles Proving Properties of Triangles Using Congruence 8. Quadrilaterals 2 Topics Quadrilateral and Properties of a Parallelogram Properties of Diagonal of a Parallelogram and The Mid-point Theorem 9. Areas of Parallelograms and Triangles 3 Topics Figures on the Same Base and Between the Same Parallels Area of Parallelograms Area of Triangles 10. Circles 6 Topics Basics of Circle Angle Subtended By a Chord at a Point Perpendicular From the Centre to a Chord Chords and Their Distance From The Centre Theorems Related to Angle Subtended By Arcs of The Circle Theorems Related To Cyclic Quadrilaterals 11. Constructions 2 Topics Basic Constructions Construction of Triangles 12. Heron's Formula 1 Topic Heron’s Formula 13. Surface Areas and Volumes 3 Topics Concept of Surface Areas and Volumes of Cube, Cuboid and Cylinder Concept of Surface Areas and Volumes of Cone, Sphere and Hemisphere Surface Areas and Volumes - Problems 14. Statistics 3 Topics Grouped Frequency Distribution and Histogram of Uniform Width Histogram of Varying Width and Frequency Polygon Measures of Central Tendency 15. Probability 3 Topics Chance and Probability Theoretical Probability Empirical Probability