NCERT Class 9 Maths Book

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Collegedunia Team

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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:

Also Check: Number System MCQs

Chapter 2: Polynomials

Listed below are important concepts from Chapter 2 of NCERT Class 9 Maths :

Also Check: Polynomials MCQs

Chapter 3: Coordinate Geometry

Chapter 3 of NCERT Class 9 Maths textbook has the following important topics covered:

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:

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:

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:

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:

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:

Also Check: Circles MCQs

Chapter 11: Constructions

Chapter 11 of NCERT Class 9 Maths Textbook covers the following essential topics:

Also Check: Constructions MCQs

Chapter 12: Heron’s Formula

Chapter 12 of the NCERT Class 9 Maths Textbook discusses the following important topics:

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:

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:

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:

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:

  1. Mathematics for Class 9 by R.D. Sharma
  2. A Textbook of Mathematics for Class 9 by Ratna Sagar

Also Read:

CBSE X Related Questions

  • 1.
    An arc of length $2.2\text{ cm}$ subtends an angle $\theta$ at the centre of the circle with radius $2.8\text{ cm}$. The value of $\theta$ is

      • $50^\circ$
      • $60^\circ$
      • $45^\circ$
      • $30^\circ$

    • 2.
      The dimensions of a window are $156\text{ cm} \times 216\text{ cm}$. Arjun wants to put grill on the window creating complete squares of maximum size. Determine the side length of the square and hence find the number of squares formed.


        • 3.
          PQ and PR are two tangents to a circle with centre O and radius 5 cm. AB is another tangent to the circle at C which lies on OP. If OP = 13 cm, then find the length AB and PA.


            • 4.
              Assertion (A) : The system of linear equations $3x - 5y + 7 = 0$ and $-6x + 10y + 14 = 0$ is inconsistent.
              Reason (R) : When two linear equations don't have unique solution, they always represent parallel lines.

                • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
                • Assertion (A) is true, but Reason (R) is false.
                • Assertion (A) is false, but Reason (R) is true.

              • 5.
                In the given figure, $AB \parallel DE$ and $AC \parallel DF$. Show that $\Delta ABC \sim \Delta DEF$. If $BC = 10\text{ cm}$, $EB = CF = 5\text{ cm}$ and $AB = 7\text{ cm}$, then find the length $DE$.


                  • 6.
                    Two dice are rolled together. The probability of getting an outcome $(x, y)$ where $x \gt y$, is

                      • $\frac{5}{12}$
                      • $\frac{5}{6}$
                      • $1$
                      • $0$

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