Class 9 — Mathematics

Class 9 Mathematics Syllabus

Chapter-by-chapter topics, exercises, and linked study resources according to the 2026-27 curriculum.

Chapter 1

Orienting Yourself: The Use of Coordinates

Exercise

Exercise 1.1

Covers locating points on a rectangular spatial grid and defining positions using ordered coordinate pairs.

Exercise

Exercise 1.2

Covers the Cartesian coordinate system, coordinate axes, origin, four quadrants, and plotting (x, y) coordinate points.

Exercise

End of Chapter Exercises

Covers geometric figures on the coordinate plane, reflection across axes, and coordinate geometry word problems.

Chapter 2

Introduction to Linear Polynomials

Exercise

Exercise 2.1

Covers identifying terms, variables, coefficients, and degree in linear polynomial expressions.

Exercise

Exercise 2.2

Covers finding zeroes of linear polynomials and interpreting their geometric meaning on the Cartesian line.

Exercise

End of Chapter Exercises

Covers algebraic modeling of constant rate of change and real-life linear growth phenomena.

Chapter 3

The World of Numbers

Exercise

Exercise 3.1

Covers real numbers, rational numbers, decimal expansions (terminating and repeating), and the density property.

Exercise

Exercise 3.2

Covers irrational numbers and geometric construction of square root magnitudes on the number line using the square root spiral.

Exercise

Exercise 3.3

Covers operations on real numbers, rationalizing denominators, and applying laws of rational exponents.

Exercise

End of Chapter Exercises

Covers analytical proofs of irrationality for square roots (√2, √3) and complex real-number evaluations.

Chapter 4

Exploring Algebraic Identities

Exercise

Exercise 4.1

Covers geometric visual models and algebraic expansions of identities (a ± b)² and difference of squares a² - b².

Exercise

Exercise 4.2

Covers algebraic derivation, expansions, and computational applications of cubic identities (a ± b)³ and a³ ± b³.

Exercise

Exercise 4.3

Covers expansions of the trinomial identity (a + b + c)² and conditional cubic identities.

Exercise

End of Chapter Exercises

Covers factorisation of multi-variable polynomials using algebraic identities.

Chapter 5

I’m Up and Down, and Round and Round

Exercise

Exercise 5.1

Covers geometric definitions and terminology of circles: radius, diameter, chords, arcs, sectors, and segments.

Exercise

Exercise 5.2

Covers theorems establishing that equal chords subtend equal angles at the center and are equidistant from the center.

Exercise

Exercise 5.3

Covers angle subtended by an arc at the center versus remaining circumference, angles in a semicircle, and cyclic quadrilaterals.

Exercise

End of Chapter Exercises

Covers deductive geometric proofs and riders on circle properties.

Chapter 6

Measuring Space: Perimeter and Area

Exercise

Exercise 6.1

Covers conceptual foundation of perimeter and area calculations for regular and composite polygons.

Exercise

Exercise 6.2

Covers application of Heron's formula (√s(s-a)(s-b)(s-c)) to find the area of scalene and isosceles triangles.

Exercise

Exercise 6.3

Covers Brahmagupta's formula for finding areas of cyclic quadrilaterals and practical land measurement problems.

Exercise

End of Chapter Exercises

Covers area estimation, composite geometric layouts, and optimization problems.

Chapter 7

The Mathematics of Maybe: Introduction to Probability

Exercise

Exercise 7.1

Covers random experiments, outcomes, trial events, and sample space formulation.

Exercise

Exercise 7.2

Covers empirical (experimental) probability versus theoretical probability for simple chance events.

Exercise

End of Chapter Exercises

Covers multi-stage probability situations, tree diagram modeling, and risk evaluation problems.

Chapter 8

Predicting What Comes Next: Exploring Sequences and Progressions

Exercise

Exercise 8.1

Covers recognizing numerical and geometric patterns, inductive thinking, and calculating differences between terms.

Exercise

Exercise 8.2

Covers formulating the general term of arithmetic progressions and identifying arithmetic sequences.

Exercise

End of Chapter Exercises

Covers sequence modeling, recurrence relations, and mathematical problem-solving.

Chapter 9

Propositions and their Converses

No subtopics recorded for this chapter.

Chapter 10

How Quantities Combine: Understanding Data

No subtopics recorded for this chapter.

Chapter 11

The World of Algorithms

No subtopics recorded for this chapter.

Chapter 12

Quadrilaterals

No subtopics recorded for this chapter.

Chapter 13

Two Variables, One Line

No subtopics recorded for this chapter.

Chapter 14

Math of Space: Surface Area and Volume

No subtopics recorded for this chapter.