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CBSE Class 9 Mathematics
Course Introduction
Meet Your Mentor
Your Study Plan
RufBuk
eBook: MathBuster Problem Book: 1000 MCQs
eBook: Learn2Learn Math: 30 Rich Tasks
Ch 1: Number System
1.1 Introduction [5m]
1.2 Rational Numbers [30m]
1.3 Real Numbers [20m]
1.4 Decimal Representation of Rational Numbers [35m]
1.5 Writing Recurring Decimals as Ratios of Integers [15m]
1.6 Decimal Representation of Irrational Numbers [10m]
1.8 Algebra of Real Numbers [20m]
1.9 Rationalising Factors [15m]
1.11 Practice Assignments [120m]
Ch 2: Polynomials
2.1 Introduction [5m]
2.2 Identifying and Classifying Polynomials [15m]
2.3 Zeros of a Polynomial [20m]
2.6 Factorisation of Polynomials [30m]
2.7 Squaring Binomials [25m]
2.8 Squaring a Trinomial [30m]
2.9 Cubes of Binomials [25m]
2.10 Algebraic Identities for Numeric Calculations [20m]
2.11 Factorising Polynomials of Degree 2 [30m]
2.12 Factorising Polynomials of Degree 3 - I [30m]
2.13 Factorising Polynomials of Degree 3 - II [5m]
2.15 Practice Assignments [240]
Ch 3: Coordinate Geometry
3.1 Introduction [5m]
3.2 Identifying Position in a Plane [5m]
3.3 The Coordinate Plane [10m]
3.4 Locating Points in a Coordinate Plane [10m]
3.5 Practice Assignments [120m]
Ch 6: Lines and Angles
6.1 Introduction [5m]
6.2 Angles Formed by Intersecting Lines [30m]
6.3 Parallel Lines [30m]
6.4 Angles of a Triangle [30m]
6.5 Practice Assignments [120m]
Ch 7: Triangles
7.1 Introduction [5m]
7.2 Congruence of Triangles - I [20m]
7.3 Congruence of Triangles - II [25m]
7.4 Properties of Triangles - I [20m]
7.5 Properties of Triangles - II [20m]
7.6 SSS and RHS Congruence Criteria [30m]
7.8 Practice Assignments [120m]
Ch 12: Heronâ€™s Formula
12.1 Introduction [5m]
12.2 Areas of Triangles [30m]
12.5 Practice Assignments [120m]
Ch 4: Linear Equations in Two Variables
4.1 Introduction [5m]
4.2 Standard Form of Linear Equations in Two Variables [15m]
4.3 Solution of a Linear Equation in Two Variables [25m]
4.4 Graph of Linear Equations in Two Variables [15m]
4.5 Graph of Linear Equations in Two Variables (Word Problems) [30m]
4.6 Geometric Representation of Linear Equations [10m]
4.7 Practice Assignments [120m]
Ch 8: Quadrilaterals
8.1 Introduction [5m]
8.2 Parallelograms [20m]
8.3 Parallelograms - II [30m]
8.4 Parallelograms - III [25m]
8.5 Parallelograms - IV [35m]
8.6 The Mid-point Theorem - I [30m]
8.7 The Mid-point Theorem - II [30m]
8.8 Practice Assignments [120m]
Ch 10: Circles
10.1 Introduction [5m]
10.2 Angles Subtended by Chords [25m]
10.3 Perpendicular from the Centre to a Chord [10m]
10.4 Equal Chords [30m]
10.5 Equal Chords: Word Problems [30m]
10.6 Angles Subtended by Arcs - I [30m]
10.7 Angles Subtended by Arcs - II [30m]
10.8 Angles Subtended by Arcs - III [30m]
10.9 Practice Assignments [120m]
Ch 11: Constructions
11.1 Introduction [5m]
11.2 Construction of Angles and Bisectors [25m]
11.3 Construction of Triangles [30m]
11.4 Practice Assignments [60m]
Ch 13: Surface Areas and Volumes
13.1 Introduction [5m]
13.2 Surface Area of Cuboids and Cubes [40m]
13.3 Volume of Cuboids and Cubes [40m]
13.4 Surface Area of Right Circular Cylinder - I [30m]
13.5 Surface Area of Right Circular Cylinder - II [30m]
13.6 Volume of Right Circular Cylinder [35m]
13.7 Surface Area of Right Circular Cone [35m]
13.8 Volume of Right Circular Cone [35m]
13.9 Surface Area of Sphere [30m]
13.10 Volume of Sphere - I [20m]
13.11 Volume of Sphere - II [25m]
13.12 Practice Assignments [120m]
Ch 14: Statistics
14.1 Introduction [5m]
14.2 Frequency Distribution Tables [20m]
14.4 Graphical Representations of Data [15m]
14.7 Practice Assignments [60m]
Ch 15: Probability
15.1 Introduction [5m]
15.2 Experimental Probability - I [25m]
15.3 Experimental Probability - II [20m]
15.4 Practice Assignments [60m]
6.3 Parallel Lines [30m]
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