# Class 9 Maths Index

**Class 9 Maths Index:** The complete list of Class 9 Maths Chapters and their sub-topics are provided here. These lists have been created as per the NCERT textbook and the latest CBSE syllabus. To learn all topics, students have to click on the relevant link, available under each chapter. The concepts are explained in a detailed manner and the materials are formulated by our Maths experts, to make students understand easily.

## Class 9 Maths Chapters

Class 9 Maths index is provided herewith respective topics and their sub-topics. Click on the links to learn about the topics and prepare yourself for exams.

### Chapter 1: Number Systems

1.1 Introduction to Number Systems

1.3 Real Numbers and Their Decimal Expansions

1.4 Representing Real Numbers on the Number Line

1.5 Operations on Real Numbers

1.6 Laws of Exponents for Real Numbers

### Chapter 2: Polynomials

2.1 Introduction to Polynomials

2.2 Polynomials in One Variable

2.5 Factorisation of Polynomials

### Chapter 3: Coordinate Geometry

3.1 Introduction to Coordinate Geometry

3.2 Cartesian System

3.3 Plotting a Point in the Plane if its Coordinates are given

### Chapter 4: Linear Equations in Two Variables

4.1 Introduction to Linear Equations in Two Variables

4.2 Linear Equations

4.3 Solution of a Linear Equation

4.4 Graph of a Linear Equation in Two Variables

4.5 Equations of Lines Parallel to x-axis and y-axis

### Chapter 5: Euclid’s Geometry

5.1 Introduction to Euclid’s Geometry

5.2 Euclid’s Definitions, Axioms and Postulates

5.3 Equivalent Versions of Euclid’s Fifth Postulate

### Chapter 6: Lines and Angles

6.1 Introduction to Lines and Angles

6.2 Basic Terms and Definitions

6.3 Intersecting Lines and Non-intersecting Lines

6.4 Pairs of Angles

6.5 Parallel Lines and a Transversal

6.6 Lines Parallel to the same Line

6.7 Angle Sum Property of a Triangle

### Chapter 7: Triangles

7.1 Introduction

7.3 Criteria for Congruence of Triangles

7.4 Some Properties of a Triangle

7.5 Some More Criteria for Congruence of Triangles

7.6 Inequalities in a Triangle

### Chapter 8: Quadrilaterals

8.1 Introduction to Quadrilaterals

8.2 Angle Sum Property of a Quadrilateral

8.4 Properties of a Parallelogram

8.5 Another Condition for a Quadrilateral to be a Parallelogram

### Chapter 9: Areas of Parallelograms and Triangles

9.1 Introduction to Areas of Parallelograms and Triangles

9.2 Figures on the same Base and Between the same Parallels

9.3 Parallelograms on the same Base and between the same Parallels

9.4 Triangles on the same Base and between the same Parallels

### Chapter 10: Circles

10.2 Circles and its Related Terms: A Review

10.3 Angle Subtended by a Chord at a Point

10.4 Perpendicular from the Centre to a Chord

10.5 Circle through Three Points

10.6 Equal Chords and their Distances from the Centre

10.7 Angle Subtended by an Arc of a Circle

### Chapter 11: Constructions

11.1 Introduction to Constructions

11.2 Basic Constructions

11.3 Some Constructions of Triangles

11.4 Summary

### Chapter 12. Heron’s Formula

12.1 Introduction to Heron’s Formula

12.2 Area of a Triangle – by Heron’s Formula

12.3 Application of Heron’s Formula in finding Areas of Quadrilaterals

### Chapter 13: Surface Areas and Volumes

13.1 Introduction to Surface Areas and Volumes

13.2 Surface Area of a Cuboid and a Cube

13.3 Surface Area of a Right Circular Cylinder

13.4 Surface Area of a Right Circular Cone

13.6 Volume of a Cuboid

13.7 Volume of a Cylinder

13.8 Volume of a Right Circular Cone

13.9 Volume of a Sphere

### Chapter 14: Statistics

14.1 Introduction to Statistics

14.2 Collection of Data

14.3 Presentation of Data

14.4 Graphical Representation of Data

14.5 Measures of Central Tendency

### Chapter 15: Probability

15.1 Introduction to Probability

15.2 Probability – an Experimental Approach

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