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NCERT Class 9 Maths textbook comprises of 15 chapters and is a very crucial base for further classes. All the basic concepts are explained with the help of examples in the Class 9 Maths textbook so that solving the exercise questions becomes easy for the students.
NCERT Class 9 Maths Textbook covers essential topics on Number System, Polynomials, Geometry, Linear Equations, Properties of basic two-dimensional figures, their Methods of Construction, Mensuration, Statistics, and Probability. Students can refer to the links of the chapter-wise NCERT solutions, and notes from the Class 9 Maths Textbook.
Download PDF for NCERT Textbook for Class 9 Maths
NCERT Class 9 Maths Chapters in English
The NCERT Class 9 Maths chapter-wise pdfs and NCERT Solutions are given int he following table:
| Chapter Name | NCERT Chapter PDF | NCERT Solutions PDF |
|---|---|---|
| Number System | Chapter 1 | Chapter 1 Solutions |
| Polynomials | Chapter 2 | Chapter 2 Solutions |
| Coordinate Geometry | Chapter 3 | Chapter 3 Solutions |
| Linear Equations in Two Variables | Chapter 4 | Chapter 4 Solutions |
| Introduction to Euclid’s Geometry | Chapter 5 | Chapter 5 Solutions |
| Lines and Angles | Chapter 6 | Chapter 6 Solutions |
| Triangles | Chapter 7 | Chapter 7 Solutions |
| Quadrilaterals | Chapter 8 | Chapter 8 Solutions |
| Areas of Parallelograms and Triangles | Chapter 9 | Chapter 9 Solutions |
| Circles | Chapter 10 | Chapter 10 Solutions |
| Constructions | Chapter 11 | Chapter 11 Solutions |
| Heron’s Formula | Chapter 12 | Chapter 12 Solutions |
| Surface Area and Volume | Chapter 13 | Chapter 13 Solutions |
| Statistics | Chapter 14 | Chapter 14 Solutions |
| Probability | Chapter 15 | Chapter 15 Solutions |
Maths Class 9 Chapter-Wise Important Concepts
Listed below are the chapter-wise important topics for students to refer and learn.
Chapter 1 Number Systems
The following topics from Chapter 1 of NCERT Class 9 Maths textbook is provided for the reference of students:
- Rational Numbers
- Irrational Numbers
- Operations on Rational Numbers
- Rationalize the Denominator
- Properties of Integers
- Addition And Subtraction Of Integers
- Multiplication And Division Of Integers
- Integers As Exponents
- Number Line
Also Check: Number System MCQs
Chapter 2: Polynomials
Listed below are important concepts from Chapter 2 of NCERT Class 9 Maths :
- Polynomials in One Variable
- Degree of Polynomial
- Roots of Polynomials
- Polynomial Functions
- Remainder
- Remainder Theorem
- Algebraic Identities
Also Check: Polynomials MCQs
Chapter 3: Coordinate Geometry
Chapter 3 of NCERT Class 9 Maths textbook has the following important topics covered:
- Coordinate Geometry
- Abscissa
- Quadrant
- Distance Formula
- Two-Dimensional Coordinate Geometry
- Section Formula
Also Check: Coordinate Geometry MCQs
Chapter 4: Linear Equations in Two Variables
The following important concepts from Chapter 4 of NCERT Class 9 Maths will help students in understanding the linear Equations chapter better:
- Linear Equation in Two Variables- Graphs
- Solving Linear Equations
- Pair of Linear Equation in Two Variables- Formula
- Difference Between Linear and Non-linear Equations
Also Check: Linear Equations in Two Variables MCQs
Chapter 5: Introduction to Euclid’s Geometry
The important topics for students to refer and learn from Chapter 5 of NCERT Class 9 Maths textbook are listed below:
Also Check: Introduction to Euclid’s Geometry MCQs
Chapter 6: Lines and Angles
The important topics from Chater 6 of NCERT Class 9 Maths textbook are given below:
- Transversal
- Properties of Parallel Lines
- Parallel Lines and a Transversal
- Linear Pair of Angles
- Pairs of Angles
- Intersecting Lines and Non Intersecting Lines
- Collinear Points
Also Check: Lines and Angles MCQs
Chapter 7: Triangles
Listed below are the important topics from Chapter 7 of NCERT Class 9 Maths for easy understanding of concepts discussed in the chapter:
Also Check: Triangles MCQs
Chapter 8: Quadrilaterals
Chapter 8 of NCERT Class 9 Maths Textbook covers the following important concepts:
- Types of Quadrilaterals
- Quadrilateral Angle Sum Property
- Quadrilateral Formula
- Tangential Quadrilateral Formula
- Parallelogram Properties
- Rhombus Vs Parallelogram
Also Check: Quadrilaterals MCQs
Chapter 9: Areas of Triangles and Parallelogram
Listed below are the important topics from Chapter 9 of NCERT Class 9 Maths textbook for student to refer:
- Parallelogram
- Area of Parallelogram
- Area of Triangle
- Perimeter of a Parallelogram
- Area of Triangle & Parallelogram Important Questions
Also Check: Areas of Triangles and Parallelogram: Important Theorems
Chapter 10: Circles
Some of the important topics covered in Chapter 10 of NCERT Class 9 Maths textbook are given below:
- Circle Formulae
- Area Related to Circles
- Circumference of Circle
- Standard Equation of Circle
- Sector of Circle
- Important Questions on Circles
Also Check: Circles MCQs
Chapter 11: Constructions
Chapter 11 of NCERT Class 9 Maths Textbook covers the following essential topics:
- Introduction to Construction
- Line Segment
- Line Segment & Ray
- Equilateral Triangle
- Construction Formula
Also Check: Constructions MCQs
Chapter 12: Heron’s Formula
Chapter 12 of the NCERT Class 9 Maths Textbook discusses the following important topics:
- Area of a Kite Formula
- Equilateral Triangle Formula
- Heron’s Formula Important Questions
- Heron’s Formula: Proofs & Calculations
Also Check: Heron’s Formula MCQs
Chapter 13: Surface Areas and Volume
Chapter 13 Surface Area and Volume from NCERT Class 9 Maths Textbook covers the following important topics:
- Sphere Formula
- Surface Area of Cuboid
- Surface Area of a Cone Formula
- Surface Area of Cylinder
- Volume of a Pyramid Formula
- Surface Area & Volume: Revision Notes
Also Check: Surface Areas and Volume MCQs
Chapter: 14 Statistics
Chapter 14 Statistics from NCERT Class 9 Maths textbook introduces students to the key topics listed below:
- Bar Graphs
- Graphical Representation of Data
- Frequency Polygons
- Histogram
- Central Tendency
- Measures of Central Tendency
- Frequency Distribution Table Statistics
Also Check: Statistics MCQs
Chapter 15: Probability
Chapter 15 from NCERT Class 9 Maths textbook introduces students to the important concept of Probability. Following are the important topics covered in the chapter:
- Independent Events
- Mutually Exclusive Vs Independent Events
- Mean and Variance of Random Variable
- Conditional Probability Formula
- Conditional Probability
- Multiplication Theorem on Probability
- Bayes Theorem Formula
Also Check: Probability MCQs
Important Maths Reference Guide Books
Following are some of the important reference guides which students can refer while preparing for their examinations:
- Mathematics for Class 9 by R.D. Sharma
- A Textbook of Mathematics for Class 9 by Ratna Sagar
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