Class 8 — Mathematics

Class 8 Mathematics Syllabus

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

Chapter 1

Rational Numbers

Exercise

Exercise 1.1

Covers properties of rational numbers including closure, commutativity, associativity, role of zero and one, and distributivity of multiplication over addition.

Chapter 2

Linear Equations in One Variable

Exercise

Exercise 2.1

Covers solving linear equations having expressions with variables on one side and numbers on the other side.

Exercise

Exercise 2.2

Covers solving equations having the variable on both sides and formulating linear models from word problems.

Chapter 3

Understanding Quadrilaterals

Exercise

Exercise 3.1

Covers classification of polygons (convex, concave, regular, irregular) and the angle sum property of closed polygons.

Exercise

Exercise 3.2

Covers the sum of the measures of the exterior angles of a polygon (360°) and calculating sides of regular polygons.

Exercise

Exercise 3.3

Covers properties of parallelograms, opposite sides, opposite angles, and bisecting diagonals.

Exercise

Exercise 3.4

Covers definitions and properties of special quadrilaterals: rhombus, rectangle, square, trapezium, and kite.

Chapter 4

Data Handling

Exercise

Exercise 4.1

Covers organizing raw data, constructing grouped frequency distribution tables, and drawing histograms.

Exercise

Exercise 4.2

Covers interpretation and construction of circle graphs (pie charts) and fundamental concepts of probability and chance.

Chapter 5

Squares and Square Roots

Exercise

Exercise 5.1

Covers properties of square numbers, ending digits, patterns in squares, and Pythagorean triplets.

Exercise

Exercise 5.2

Covers finding squares of two-digit numbers using identity patterns without direct multiplication.

Exercise

Exercise 5.3

Covers finding square roots of whole numbers using repeated subtraction and prime factorisation methods.

Exercise

Exercise 5.4

Covers finding square roots of whole numbers and decimal numbers using the long division method.

Chapter 6

Cubes and Cube Roots

Exercise

Exercise 6.1

Covers properties of cube numbers, patterns in consecutive odd numbers, and finding smallest multiplying factors for perfect cubes.

Exercise

Exercise 6.2

Covers finding cube roots of numbers using prime factorisation and estimation methods.

Chapter 7

Comparing Quantities

Exercise

Exercise 7.1

Covers ratios, percentage conversion, and percentage increase or decrease in practical contexts.

Exercise

Exercise 7.2

Covers commercial transactions: discounts, marked price, profit and loss, cost price, selling price, and sales tax/GST.

Exercise

Exercise 7.3

Covers derivation and application of compound interest formulas for annual and semi-annual compounding.

Chapter 8

Algebraic Expressions and Identities

Exercise

Exercise 8.1

Covers identifying terms, coefficients, monomials, binomials, polynomials, and addition/subtraction of expressions.

Exercise

Exercise 8.2

Covers multiplication of monomials by monomials and monomials by polynomials.

Exercise

Exercise 8.3

Covers multiplication of binomials by binomials and binomials by trinomials.

Exercise

Exercise 8.4

Covers standard algebraic identities ((a+b)², (a-b)², a²-b², (x+a)(x+b)) and their verification.

Chapter 9

Mensuration

Exercise

Exercise 9.1

Covers calculating areas of trapeziums and general polygons using triangulation.

Exercise

Exercise 9.2

Covers surface area of 3D solids: cuboids, cubes, and right circular cylinders.

Exercise

Exercise 9.3

Covers volume calculations for cuboids, cubes, and cylinders in practical real-world problems.

Chapter 10

Exponents and Powers

Exercise

Exercise 10.1

Covers powers with negative exponents and laws of exponents.

Exercise

Exercise 10.2

Covers expressing very large and very small numbers in standard scientific notation.

Chapter 11

Direct and Inverse Proportions

Exercise

Exercise 11.1

Covers direct proportion relationships, constant ratios (x/y = k), and solving proportional problems.

Exercise

Exercise 11.2

Covers inverse proportion relationships, constant product (x · y = k), and applications.

Chapter 12

Factorisation

Exercise

Exercise 12.1

Covers factorisation using common factors and regrouping terms.

Exercise

Exercise 12.2

Covers factorisation using standard algebraic identities and expressions in the form (x² + ax + b).

Exercise

Exercise 12.3

Covers division of algebraic expressions: monomial by monomial, polynomial by monomial, and polynomial by polynomial.

Chapter 13

Introduction to Graphs

Exercise

Exercise 13.1

Covers reading and constructing line graphs, bar graphs, and linear representations of continuous data.

Exercise

Exercise 13.2

Covers plotting coordinate points on a Cartesian grid and linear graphs showing direct variations.