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By Karan Singh Bisht
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Updated on 15 Dec 2025, 11:11 IST
Weightage of Maths Class 12 Chapter Wise 2026 helps students understand the marks distribution across different chapters in the CBSE board exam. The theory paper is of 80 marks, while internal assessment accounts for 20 marks, making a total of 100 marks.
Knowing the Chapter Wise Weightage of Class 12 Maths for CBSE 2026 allows students to plan their preparation effectively, prioritize high-weightage chapters, revise important topics, and improve their performance in both the theory and internal assessment components.
When preparing for the CBSE Class 12 Board Exams 2026, it's essential to know which chapters should be prioritized based on their chapter-wise weightage. With the competition being tough, having a clear plan in place can make all the difference in your preparation.
To pass the CBSE Class 12 exams, students must score at least 33% in total and 33% in each subject. If you meet the overall passing percentage but fail to clear an individual subject, you’ll need to appear for the supplementary exam.
The CBSE has also released sample papers for Class 12 Board Exams 2026, giving students a clear idea of the exam pattern. Referring to these sample papers, along with understanding the Class 12 Maths chapter-wise weightage and Chemistry chapter-wise weightage, can help students build a focused strategy for exam preparation.
Here’s your cheat sheet for the CBSE Class 12 chapter-wise weightage for 2026, highlighting the most important chapters in each subject. This guide will help you concentrate your efforts on areas that can make the biggest impact on your exam performance.
| CBSE Class 12 Maths Weightage 2026 Overview | ||
| Component | Marks | Overview |
| Theory Exam | 80 | Covers all chapters including Calculus, Algebra, Vectors and Probability |
| Internal Assessment | 20 | Includes periodic tests, portfolio and subject enrichment activities |
| Total | 100 | Balanced focus on theory and school-based assessment |
Mathematics is often seen as a game of numbers, and in the CBSE Class 12 exams, some chapters carry more weight than others. By checking the chapter-wise weightage, students can focus on the key topics that are most likely to appear in the exams, boosting their chances of success. The table below shows the estimated chapter-wise weightage based on past years’ exams. While the official chapter-wise distribution may not always be available, this guide helps students prioritize their studies and make the most of their preparation.
| Unit | Chapters | Marks |
| Relations & Functions | Inverse Trigonometric Functions | 4 |
| Relations and Functions | 4 | |
| Algebra | Determinants | 5 |
| Matrices | 5 | |
| Calculus | Applications of the Integrals | 6 |
| Integrals | 9 | |
| Applications of Derivatives | 4 | |
| Differential Equations | 7 | |
| Continuity & Differentiability | 9 | |
| Vectors & 3D Geometry | Three-dimensional Geometry | 7 |
| Vectors | 7 | |
| Linear Programming | Linear Programming | 5 |
| Probability | Probability | 8 |
| Internal Assessment Marks Distribution | |
| Assessment Elements | Maximum Marks |
| Mathematics Lab Activities | 10 |
| Two Best Scores from Class Tests | 10 |
| Overall Internal Evaluation | 20 |
To score high in Class 12 Maths, start by understanding the CBSE Class 12 Maths Weightage 2026 and the chapter-wise marks distribution. Prioritize high-weightage units like Calculus, Vectors & Three-Dimensional Geometry, Algebra, and Relations & Functions to boost your overall score.
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The CBSE Class 12 Maths Board Exam 2026 carries a total of 80 marks for the theory paper and 20 marks for internal assessment, making it 100 marks overall.
You can check the chapter-wise weightage in the official CBSE Class 12 Maths syllabus 2026 available on the CBSE academic website (cbseacademic.nic.in) or Infinity Learn trusted educational platforms that publish updated weightage charts.
The chapters with the highest weightage typically include:
These units usually account for the majority of the marks.
Yes. NCERT textbooks are sufficient for scoring well in the Class 12 Maths board exam. They cover the complete syllabus and align perfectly with CBSE’s question patterns. For extra practice, students may use sample papers or reference books.
Calculus has the highest weightage in Class 12 Maths, contributing a significant portion of the total marks due to its multiple sub-units like Integrals, Differentiation, Applications, and Differential Equations.
While exact numbers may vary slightly, the Class 12 Maths 2026 weightage generally emphasizes:
The detailed breakdown is given in the official CBSE syllabus.
