CBSE Class 10 Chapter-wise Weightage Guide for 2025
Are you beginning your academic journey in Class 10? If so, understanding the chapter-by-chapter weightage of your subjects might help you plan your preparation strategy. The Central Board of Secondary Education (CBSE) has assigned precise weightage to each chapter. This allows you to prioritise your study materials efficiently.
This blog seeks to break down the CBSE class 10 chapter-wise weightage of 2025. It presents information on all critical subjects such as Maths, Science, English, and Social Science. These insights can definitely help you achieve academic success in 2025.
Maths Chapter-wise Weightage for CBSE Class 10
Mathematics can be a difficult subject to master, but knowing which chapters are most important might help. The table below summarises the marks allocated for each chapter in the Class 10 Maths syllabus:
| Unit Name | Chapter Name | Marks |
| Number Systems | Real Number | 6 |
| Algebra | Polynomials | 4 |
| Pair of Linear Equations in Two Variables | 6 | |
| Quadratic Equations | 6 | |
| Arithmetic Progressions | 4 | |
| Coordinate Geometry | Coordinate Geometry | 6 |
| Geometry | Triangles | 8 |
| Circles | 6 | |
| Trigonometry | Introduction to Trigonometry | 8 |
| Trigonometric-Identities | – | |
| Heights & Distances | 4 | |
| Mensuration | Areas Related to Circles | 3 |
| Surface Areas and Volumes | 7 | |
| Statistics & Probability | Statistics | 7 |
| Probability | 4 |
The Top 3 Mathematical Chapters With the Most Weight for 2025
The three high-weightage chapters for 2025 that you should concentrate on are Surface Areas and Volumes (7 marks), Introduction to Trigonometry (8 marks), and Triangles (8 marks). Since these chapters add up to 23 points towards your final grade, mastering them can significantly raise your overall score.
Science Chapter-wise Weightage for CBSE Class 10
Like maths, science is a major component of your Class 10 exams. The following lists the weights assigned to each Science chapter:
| Unit Name | Chapter Name | Marks |
| Chemical Substances- Nature and Behaviour | Chemical Reactions and Equations | 6 |
| Acid, Bases and Salts | 3 | |
| Metals and Non-metals | 10 | |
| Carbon and its Compounds | 6 | |
| World of Living | Life Processes | 9 |
| Control and Coordination | 6 | |
| How Do Organisms Reproduce? | 3 | |
| Heredity and Evolution | 7 | |
| Natural Phenomena | Light-reflection and Refraction | 10 |
| The Human Eye and the Colourful World | 2 | |
| Effects of Current | Electricity | 7 |
| Magnetic Effects of Electric Current | 6 | |
| Natural Resources | Our Environment | 5 |
The Top 3 Science Chapters With the Most Weight for 2025
Metals and Non-metals (10 points), Light-reflection and Refraction (10 marks), and Life Processes (9 marks) are the three most notable chapters in your science course for achieving high grades. These chapters are crucial areas for your attention because they have a combined potential score of 29.
English Chapter-wise Weightage for CBSE Class 10
Your performance in English depends on both your language proficiency and your comprehension of the assigned readings. The weightage appears as follows:
| Chapter | Total Marks |
| Book 1 – Footprints Without Feet | |
| Chapter 1: A Triumph of Surgery | 2 |
| Chapter 2: The Thief’s Story | 5 |
| Chapter 3: The Midnight Visitor | – |
| Chapter 4: A Question of Trust | – |
| Chapter 5: Footprints Without Feet | – |
| Chapter 6: The Making of a Scientist | 3 |
| Chapter 7: The Necklace | 3 |
| Chapter 8: The Hack Driver | 3 |
| Chapter 9: Bholi | 2 |
| Chapter 10: The Book That Saved the Earth | 7 |
| Book 2 – First Flight | |
| Chapter 1: A Letter to God | 5 |
| Poem: Fire & Ice | 3 |
| Chapter 2: Nelson Mandela: A Road to Freedom | 2 |
| Poem: A tiger in the zoo | 5 |
| Chapter 3: Two Stories About Flying [Black Aeroplane] | 5 |
| Poem: How to Tell Wild Animals | – |
| Poem: The Ball Poem | 5 |
| Chapter 4: From the Diary of Anne Frank | 3 |
| Poem: Amanda | 3 |
| Chapter 5: The Hundred Dresses – I | 2 |
| Chapter 6: The Hundred Dresses – II | – |
| Poem: Animals | – |
| Chapter 7: Glimpses of India [bakers from Goa] | 5 |
| Poem: The tress | – |
| Chapter 8: Mijbil The Otter | – |
| Poem: Fog | |
| Chapter 9: Madam Rides the Bus | 5 |
| Poem: The Tale of Custard the Dragon | 2 |
| Chapter 10: The Sermon at Benaras | – |
The Top 3 English Chapters With the Most Weight for 2025
Metals and Non-metals (10 marks), The Thief’s Story (5 marks), and The Book That Saved the Earth (7 marks) are the English chapters that earn you the greatest grades. These texts account for 22 of your total English assessment score. So, giving them priority helps you get the most out of your score.
Social Science Chapter-wise Weightage for CBSE Class 10
The study of social science covers a wide range of subjects that are essential to comprehending current problems. Below is a breakdown of the weightage by chapter:
The Top 3 Social Science Chapters With the Most Weight for 2025
The chapters in Social Science that receive the most attention are Power-sharing (6 points), Water Resources (5 marks), and Manufacturing Industries (6 marks). By concentrating on these subjects, you can strengthen your grasp of important ideas and earn a total score of 17.
| Unit | Chapter | Weightage |
| India and the Contemporary World – II (History) | The Rise of Nationalism in Europe | 5 |
| Nationalism in India | 5 | |
| The Making of a Global World Subtopics 1 to 1.3 | 3 | |
| Age of Industrialization | 4 | |
| Print Culture and the Modern World | 3 | |
| Contemporary India – II (Geography) | Resources and Development | 1 |
| Forest and Wildlife Resources. | 1 | |
| Water Resources | 5 | |
| Agriculture | 1 | |
| Mineral & Energy Resources. | 3 | |
| Manufacturing Industries | 6 | |
| Lifelines of the National Economy | 3 | |
| Democratic Policies (Political Science) | Power-sharing | 6 |
| Federalism | 3 | |
| Gender, Religion and Caste. | 3 | |
| Political Parties | 5 | |
| Outcomes of Democracy | 3 | |
| Understanding Economic Development | Development | 2 |
| Sectors of the Indian Economy | 7 | |
| Money and Credit | 6 | |
| Globalisation and The Indian Economy Subtopics | 5 |
A Remark on the Dependability of Weights: It’s important to remember that the real exam structure may differ, even though the class 10 chapter weightage can help you prepare. In general, the unit-wise weighting is more trustworthy than the chapter-specific weighting. Thus, it is best to prepare well and rank the chapters according to the assigned weight.
How Can Extramarks Aid in Your CBSE Class 10th Exam Preparation?
Watch this video to see how Sanskriti achieved high scores with the help of the Extramarks Learning App!
You could find yourself searching for extra materials to improve your studying as you get ready for your tests. Extramarks provide a comprehensive platform created especially for CBSE Class 10 students. To strengthen your grasp of difficult subjects, you can investigate interactive video lectures, NCERT solutions, and chapter-by-chapter practice exams.
Additionally, Extramarks creates customised study schedules that let you concentrate on your areas of weakness. This approach guarantees a comprehensive approach to preparation. Having access to past years’ sample papers and question papers can help you pass your class 10 exam with flying colours!
Extramarks Learning App for Board Exams Preparation.
Extramarks offers a range of detailed study materials, interactive videos, and practice sample papers.
Learn moreLast Updated on March 4, 2025
Reviewed by
Prachi Singh | VP - Academics
Prachi Singh is a highly accomplished educationist with over 16 years of experience in the EdTech industry. Currently, she plays a pivotal role at Extramarks, leading content strategy and curriculum development initiatives that shape the future of education...read more.
