Tamil Nadu 10th Syllabus 2025 - Download subject-wise PDFs & Important topics

Subjects

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English

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Mathematics

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Science

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Social Science

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Particulars

Important Topics

Unit 1

His First Flight

Life

The Tempest

Unit 2

The Night the Ghost Got in

The Grumble Family 

Zigzag

Unit 3

Empowered Women Navigating the World

I am Every Woman

The Story of Mulan

Unit 4

The Attic

The Ant and the Cricket

The Aged Mother

Unit 5

Tech Bloomers

The Secret of the Machines

A day in 2889 of an American Journalist

Unit 6

The Last Lesson

No Men Are Foreign

The Little Hero of Holland

Unit 7

The Dying Detective

The House on Elm Street

A Dilemma

Chapters

Content

Chapter 1 - Relations and Functions

Ordered Pair

Cartesian Product

Relations

Functions

Representation of Functions

Types of Functions

Special Cases of Functions

Composition of Function

Identifying the Graphs of Linear, Quadratic, Cubic, and Reciprocal Functions

Chapter 2 - Numbers and Sequences

Euclid’s Division Lemma 

Euclid’s Division Algorithm 

Fundamental Theorem of Arithmetic 

Modular Arithmetic 

Sequences 

Arithmetic Progression

Series 

Geometric Progression 

Sum to n terms of a Geometric Progression

Special Series

Chapter 3 - Algebra

Simultaneous Linear Equations in Three

Variables

GCD and LCM of Polynomials 

Rational Expressions 

Square Root of Polynomials

Quadratic Equations 

Graph of Variations 

Quadratic Graphs

Matrices

Chapter 4 - Geometry

Similarity

Thales Theorem and Angle Bisector Theorem

Pythagoras Theorem

Circles and Tangents

Concurrency Theorems

Chapter 5 - Coordinate Geometry

Area of a Triangle

Area of a Quadrilateral

Inclination of a Line

Straight Line

General Form of a Straight Line

Chapter 6 - Trigonometry

Trigonometric Identities

Heights and Distances

Chapter 7 - Mensuration

Surface Area

Volume

Volume and Surface Area of Combined Solids

Conversion of Solids from one Shape to another with no change in Volume

Chapter 8 - Statistics and Probability

Measures of Dispersion

Coefficient of Variation

Probability

Algebra of Events

Addition Theorem of Probability

Chapters

Contents

1

Law of Motion

2

Optics

3

Thermal Physics

4

Electricity

5

Acoustics

6

Nuclear Physics

7

Atoms and Molecules

8

Periodic Classification of Elements

9

Solutions

10

Types of Chemical Reactions

11

Carbon and its Compounds

12

Plant Anatomy and Plant Physiology

13

Structural Organisation of Animals

14

Transportation in Plants and Circulation in

Animals

15

Nervous System

16

Plant and Animal Hormones

17

Reproduction in Plants and Animals

18

Genetics

19

Origin and Evolution of Life

20

Breeding and Biotechnology

21

Health and Diseases

22

Environmental Management

23

Visual Communication

Subjects

Units

History

Outbreak of World War I and Its Aftermath

The World between two World Wars

World war II

The World after World War II

Social and Religious Reform Movements in the 19th Century

Early Revolts against British Rule in Tamil Nadu

Anti-Colonial Movements and the Birth of

Nationalism

Nationalism: Gandhian Phase

Freedom Struggle in Tamil Nadu

Social Transformation in Tamil Nadu

Geography

India - Location, Relief and Drainage

Climate and Natural Vegetation of India

India - Agriculture

India - Resources and Industries

India - Population, Transport, Communication and Trade

Physical Geography of Tamil Nadu

Human Geography of Tamil Nadu

Civics

Indian Constitution

Central Government

State Government

India’s Foreign Policy

India’s International Relations

Economics

Gross Domestic Product and its Growth: an Introduction

Globalization and Trade

Food Security and Nutrition

Government and Taxes

Industrial Clusters in Tamil Nadu