Study Mathematics one chapter at a time with NCERT-aligned notes, sample questions and quick-revision points.
Mathematics is part of the CBSE Class 9 syllabus. CBSERevision covers it chapter by chapter across 8 chapters. Each chapter page explains the NCERT chapter in student-friendly language, lists the key points to revise, and includes sample MCQs and questions with answers.
Open a chapter for notes, key points, sample questions and FAQs.
This chapter introduces you to the Cartesian coordinate system, a fundamental tool in mathematics for describing the positions of points in a plane.
Read chapter notes →In this chapter, we explore a special type of algebraic expression called linear polynomials. These are expressions with one variable and a highest power of 1.
Read chapter notes →The World of Numbers takes you on a journey through the evolution of numerical systems, from ancient counting methods to the modern concept of real numbers.
Read chapter notes →In this chapter, we explore algebraic identities, which are special equations true for all values of the variables.
Read chapter notes →This chapter explores the fascinating world of circles, their properties, and their applications.
Read chapter notes →This chapter explores the fundamental concepts of perimeter and area for various two-dimensional shapes.
Read chapter notes →This chapter introduces you to the concept of probability, which helps us measure the likelihood of events.
Read chapter notes →This chapter introduces you to the fascinating world of sequences and progressions.
Read chapter notes →Yes — you can register and start studying Class 9 Mathematics notes and quizzes for free. Premium plans unlock unlimited quizzes, mock tests and more.
Every chapter page is written from the NCERT textbook chapter, so what you study matches what is taught in school.
It is organised chapter by chapter into 8 chapters. Each chapter page gives a summary, key points for quick revision, sample MCQs and questions with answers, and frequently asked questions.
Each chapter page shows sample MCQs and questions with answers you can reveal. Creating a free account unlocks the full quiz, flashcards and practice sets for the chapter.
Notes, topic quizzes, flashcards and an AI doubt solver for every chapter. Free to start.
Create your free account