Class 9: Mathematics – Simplyclass

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Chapter 1: Number System 5 Topics

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Session 1 : Number System

Session 2 : Irrational Numbers

Session 3 : Real Number

Session 4 : Rationalize the Denominator – Meaning, Methods and Examples

Session 5 : Laws of Exponents for Real Numbers – Exponent Rules, Properties, Interactives and Examples

Chapter 2: Polynomials 6 Topics

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Session 1 : What are Polynomials? – Deﬁnition, Types, Interactives and Examples

Session 2 : Zeros of Polynomial – Deﬁnition, Theorems, Steps and Examples

Session 3 : Remainder Theorem of Polynomial – Proof, Corollaries, Interactives and Examples

Session 4 : Factor Theorem: Factorization of Polynomials – Proof, Corollaries and Examples

Session 5 : Algebraic Identities – Deﬁnition, Proof and Examples

Session 6 : Factorization of Algebraic Expressions – Methods, Identities and Examples

Chapter 3: Coordinate Geometry 2 Topics

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Session 1 : Introduction to Coordinate Geometry – Proof and Examples

Session 2 : Points on the Cartesian Plane

Chapter 4: Linear Equations in Two Variables 4 Topics

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Session 1 : Introduction to Linear Equations In Two Variables

Session 2 : Solution of Linear Equation in Two Variables

Session 3 : Graph of Linear Equation in Two Variables

Session 4 : Horizontal Line Graphs and Vertical Line Graphs – Deﬁnition, Equation, Interactives and Examples

Chapter 5: Introduction to Euclid’s Geometry 2 Topics

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Session 1 : Introduction to Euclid’s Geometry

Session 2 : Euclidean Geometry – Deﬁnitions, Axioms and Postulates

Chapter 6: Lines and Angles 4 Topics

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Session 1 : Basic Geometry – Dimensions

Session 2 : Angles – Deﬁnition, Types, Axioms, Interactives and Examples

Session 3 : Parallel Lines and Transversal- Properties, Angles, Interactives and Examples

Session 4 : Properties of Triangle – Types, Theorems, Proof, Interactives and Examples

Chapter 7: Triangles 7 Topics

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Session 1 : What is Congruence?

Session 2 : Congruent Figures – Deﬁnition, Interactives and Examples

Session 3 : SAS Congruence – Statement, Proof and Examples

Session 4 : ASA Congruence – Statement, Proof and Examples

Session 5 : SSS Congruence – Statement, Proof and Examples

Session 6 : RHS Congruence – Statement, Proof and Examples

Session 7 : Inequalities in a Triangle

Chapter 8: Quadrilaterals 4 Topics

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Session 1 : What are Quadrilaterals? – Types, Properties and Interactives

Session 2 : Properties of a Parallelogram – Theorems, Proof and Examples

Session 3 : Properties of a Rhombus, a Rectangle, a Square and a Kite – Theorems, Proof and Examples

Session 4 : Mid-point Theorem – Statement, Proof, Converse, Formula and Examples

Chapter 9: Circles 4 Topics

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Session 1 : Parts of a Circle – Deﬁnition and Interactives

Session 2 : Chords of a Circle – Deﬁnition, Theorems, Proof, Interactives and Examples

Session 3 : Arc of a Circle – Deﬁnition, Theorems, Proof, Interactives and Examples

Session 4 : Cyclic Quadrilaterals

Chapter 10: Heron’s Formula 3 Topics

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Session 1 : Area and Perimeter – Formula, Interactives and Examples

Session 2 : Heron’s Formula: Area of Triangle – Deﬁnition and Examples

Session 3 : Heron’s Formula – Applications

Chapter 11: Surface Areas and Volumes 12 Topics

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Session 1 : Surface Area and Volume Review – Deﬁnition and Interactive

Session 2 : Surface Area of a Cuboid – Deﬁnition, Formula, Interactives and Examples

Session 3 : Surface Area of a Right Circular Cylinder and a Hollow Cylinder – Deﬁnition, Formula and Examples

Session 4 : Surface Area and Volume of a Right Circular Cone

Session 5 : Surface Area of Sphere – Deﬁnition, Formula, Interactives and Examples

Session 6 : Surface Area of a Cube – Deﬁnition, Formula, Interactives and Examples

Session 7 : Volume of a Cuboid – Deﬁnition, Formula, Interactives and Examples

Session 8 : Volume of a Cube – Deﬁnition, Formula, Interactives and Examples

Session 9 : Volume of a Right Circular Cylinder and a Hollow Cylinder – Deﬁnition, Formula, Interactives and Examples

Session 10 : Volume of a Right Circular Cone – Deﬁnition, Formula, Interactives and Examples

Session 11 : Volume of a Sphere – Deﬁnition, Formula, Interactives and Examples

Session 12 : Surface Area and Volume of a Hemisphere and Spherical Shell – Formula and Examples

Chapter 12: Statistics 6 Topics

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12.1 What is Statistics?

12.2 Collection and Presentation of Data – Deﬁnition and Examples

12.3 Graphical Representation of Data – Deﬁnition, Types and Examples

12.4 Mean – Deﬁnition, Formula, Interactives and Examples

12.5 Median – Deﬁnition, Formula, Interactives and Examples

12.6 Mode – Deﬁnition, Empirical Relationship, Interactives and Examples

NCERT AND EXEMPLAR

Number Systems 1 Topic

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Unit 1(Number Systems)

Polynomials 1 Topic

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Unit 2(Polynomials)

Coordinate Geometry 1 Topic

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Unit 3(Coordinate Geometry)

Linear Equation In Two Variables 1 Topic

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Unit 4(Linear Equation In Two Variables)

Introduction To Euclid’s Geometry 1 Topic

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Unit 5(Introduction To Euclid’s Geometry)

Lines & Angles 1 Topic

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Unit 6(Lines & Angles)

Triangles 1 Topic

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Unit 7(Triangles)

Quadrilaterals 1 Topic

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Unit 8(Quadrilaterals)

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