CBSE Class 9 Maths Revision Notes

Introduction to CBSE Exam:

CBSE is a well-renowned board of education in India. It is affiliated with more than 25,000 private and public schools. CBSE aims to reform the education system and make it more practical, knowledge-oriented vs. theoretical. The CBSE initially organised entrance examinations like NEET and JEE till 2018. 

CBSE Class 9 Mathematics Notes

Class 9 is an important year in the life of a student. Students are advised to pay constant attention and have a strong foundation for class 10. The knowledge gained in Class 9th will be beneficial to understand higher-level concepts easily. 

Mathematics is a subject based on logical reasoning and application of  the real world. Students consider Mathematics to be one of the toughest subjects. According to the NCERT syllabus of class 9th, there are a lot of theorems, formulas, equations, and graphs that students need to understand and solve. Using the CBSE Class 9 mathematics Notes will help students prepare for examinations efficiently. Students should also develop a habit of practising as many questions as possible to get a thorough understanding. This will allow them to solve questions of all difficulty levels. The CBSE Class 9 Mathematics notes are very beneficial in students’ exam preparation and revision.

The 9th standard mathematics notes will help the students develop critical thinking ability. They can quickly revise all important concepts before the exam using the CBSE Class 9 mathematics Notes to attain good scores. Using these CBSE revision notes is one of the most convenient and time-saving ways to enhance students’ preparation. The CBSE Class 9 mathematics Notes will also help students know the important topics. 

Along with the CBSE Class 9 mathematics Notes, students should also develop a habit of studying from the reference books. Reference books give more data and clarify different perspectives engaged with the subjects. Reference books are a significant resource for better academic results.

Chapter-wise Revision Notes for Class 9 Mathematics

The CBSE Class 9 mathematics notes will help students plan and segregate the whole CBSE syllabus into two parts: one part contains questions from chapters of high weightage and should be practised and paid more attention to. The other part includes those concepts that should be revised once quickly before the exam. The table below lists the chapter-wise bifurcation of essential topics in the 9th standard mathematics notes. 

Chapter No. 1 – Number System
  • Rational numbers
  • Irrational numbers 
  • Real numbers
Chapter No. 2 – Polynomials
  • Factorization by grouping 
  • Factorization by identities
  • Remainder theorem
Chapter No. 3 – Co-ordinate Geometry
  • Quadrants
  • Graphs
Chapter No. 4 – Linear Equations With Two Variables
  • Linear Equations
  • Additional Property 
  • Subtraction Property
Chapter No. 5 – Introduction to Euclids Geometry
  • Definitions 
  • Axioms 
  • Postulates
Chapter No. 6 – Lines and Angles
  • Point 
  • Line segment
  • Collinear points
  • Non-co-linear points
ChapterNo.  7 – Triangles
  • Congruent segments
  • Congruent circles
  • Congruent triangles
Chapter No. 8 – Quadrilaterals
  • Quadrilaterals 
  • Parallelogram
Chapter No. 9 – Areas of Parallelograms and Triangles
  • Triangle
  • Area of a Polygonal Region
Chapter No. 10 – Circles
  • Circle
  • Chord 
  • Con-cyclic points
Chapter No. 11 – Construction
  • Construction of bisector 
  • Construction of triangles
Chapter No. 12 – Heron’s Formula
  • Area 
  • Volume
Chapter No. 13 – Surface Area and Volume
  • Volume 
  • Surface Area
Chapter No. 14 – Statistics
  • Introduction 
  • Graphs
Chapter No. 15 – Probability
  • Introduction
  • Random Experiment

Benefits of CBSE Class 9 Mathematics Notes

  • CBSE Class 9 mathematics notes enable students to strengthen their examination preparation. 
  • It helps boost confidence and makes them able to score good marks in exams. It also helps to reduce the stress and anxiety of students. 
  • Practising and studying from the CBSE Class 9 mathematics notes decreases the chances of making silly mistakes.
  • It also helps to save time during the exams. 
  • Notes for Class 9 Mathematics include every chapter’s important formulae and concepts. 
  • It assists students in revising the syllabus with maximum accuracy.

9th Standard Mathematics Notes – Chapter-Wise Notes Article Links

To help students understand mathematics better, we at Extramarks provide an exhaustive and comprehensive set of CBSE Class 9 mathematics Notes. Academic experts prepare them in simple and easy-to-understand language. These notes offer quick revisions of all chapters. The CBSE Class 9 mathematics Notes are a great reference tool that helps to ease the studying process. 

Students can refer to article links for chapter-wise notes:

  • Chapter 1 – Number System
  • Chapter 2 – Polynomial
  • Chapter 3 – Co-ordinate Geometry
  • Chapter 4 – Linear Equations in Two Variables
  • Chapter 5 – Introduction to Euclid’s Geometry
  • Chapter 6 – Lines and Angles
  • Chapter 7 – Triangles
  • Chapter 8 – Quadrilaterals
  • Chapter 9 – Areas of Parallelograms
  • Chapter 10 – Circles
  • Chapter 11 – Constructions
  • Chapter 12 – Heron’s Formula
  • Chapter 13 – Surface Areas and Volumes
  • Chapter 14 – Statistics
  • Chapter 15 – Probability

Students can also use other study materials like CBSE previous year question papers and CBSE sample papers from Extramarks to prepare for their exams.

FAQs (Frequently Asked Questions)

1. Which book should I use to study for CBSE Class 9 mathematics?

 Before jumping to any reference books, students should thoroughly study the NCERT textbook. Once they are sure that they are comfortable and can solve any question from the NCERT books and CBSE Class 9 mathematics Notes provided by Extramarks, they can check out the other CBSE reference books

The NCERT Exemplar is also a good book. Students can refer to this not only for mathematics but also for other subjects. It contains lots of CBSE extra questions collated by the NCERT academics team. Another book that students can refer to is from author RD Sharma. There are so many questions from all the important questions in the book. 

Students should also solve CBSE previous year question papers and CBSE sample papers and refer to the solutions given by the Extramarks team.


2. Is Class 9 Mathematics difficult?

The answer depends on the student’s preparation level. Mathematics is a subject that requires consistency and practise. If students practise regularly, solve problems, and refer to CBSE Class 9 mathematics Notes, it will be easier to crack the paper. To score good marks, students need to work hard.