In the CBSE class 12 Maths deleted syllabus 2025-26 few topics are removed from chapters such as Relations and Functions, Algebra, Calculus, Linear Programming, Probability, Vectors, and Three-Dimensional Geometry. Students must check the updated syllabus properly to avoid studying unnecessary topics.
The deleted syllabus of the CBSE Class 12 Maths exam 2026 includes reductions in topics from nine chapters from the main syllabus. The board has reduced 15% the Class 12 Mathematics syllabus, which was part of the previous curriculum.
The Central Board of Secondary Education has implemented the CBSE Class 12 Maths deleted syllabus 2025-26, which can be downloaded on the official website. Students appearing for the CBSE Class 12 exam 2026 for Mathematics should refer to the updated Maths syllabus, which includes all the exam patterns and important topics.
The CBSE Class 12th Maths paper will be conducted for 100 marks, out of which 80 marks will be allocated for theory and 20 marks for practical papers. The topics to be covered for the theory and practical exam are detailed in the updated CBSE Maths class 12 syllabus 2025-26.
CBSE Class 12 Maths Deleted Syllabus 2025-26
The deleted syllabus of class 12 CBSE 2025-26 for Maths indicates the chapters and subtopics excluded from the current curriculum. The CBSE Maths deleted syllabus class 12 exercise wise 2025-26 is provided below in a unit-wise format.
| Units | Chapters | Deleted Topics |
| Relations and Functions | Relations and Functions | Composite Functions, The Inverse of a Function |
| Relations and Functions | Inverse Trigonometric Functions | Elementary Properties of Inverse Trigonometric Functions |
| Algebra | Matrices | Concept of Elementary Row and Column Operations. |
| Algebra | Determinants | Properties of Determinants |
| Calculus | Continuity and Differentiability | Derivative of the Composite Function Rolle’s and Lagrange's Mean Value Theorems (without proof) and Their Geometric Interpretation |
| Calculus | Applications of Derivatives | Tangents and Normals Use of Derivatives in Approximation |
| Calculus | Integrals | Definite Integrals as a Limit of a Sum |
| Calculus | Applications of the Integrals | Area Between any of the Two Above-Said Curves |
| Vectors and Three-Dimensional Geometry | Vectors | Scalar Triple Product of Vectors |
| Vectors and Three-Dimensional Geometry | Three-dimensional Geometry | Coplanar Lines, Cartesian and Vector Equation of a Plane. Angle between (i) two lines, (ii) two planes, (iii) a line and a plane. Distance of a point from a plane |
| Linear Programming | Linear Programming | Different Types of Linear Programming (L.P.) Problems Mathematical Formulation of L.P. Problems |
| Probability | Probability | Variance of a Random Variable |
Also Read: Passing Marks in CBSE Class 12th
Download CBSE Class 12 Maths Syllabus 2025-26
The CBSE class 12 Maths deleted topics have been removed from the updated class 12th syllabus. Students can download the syllabus PDF from the official website. The CBSE class 12th syllabus 2026 for Mathematics includes details about the chapter names, weightage, essential topics, and practical work specifications.
The CBSE Maths class 12 syllabus 2026 can be downloaded in PDF format by clicking the direct link below.
| Particulars | PDF Link |
| Class 12 CBSE Board Maths Syllabus 2025-26 PDF | Download Now |
Unit-wise Weightage of CBSE 12th Maths Syllabus 2025-26
Since the syllabus has been reduced by 30%, students must check the revised weightage as per the CBSE class 12 maths syllabus 2025-26 and plan for the exam accordingly. Students must focus maximum effort on Calculus, vectors, and Three-dimensional geometry.
The CBSE class 12th Maths syllabus 2025-26 includes chapters and topics from five units: Relations and Functions, Algebra, Calculus, Linear Programming, Probability, Vectors, and Three-Dimensional Geometry. The weightage for each unit in the CBSE Maths class 12 syllabus chapter wise 2025-26 is shown in the table below.
| Unit | Chapter | Weightage (Marks) |
| I | Relations and Functions | 8 Marks |
| II | Algebra | 10 Marks |
| III | Calculus | 35 Marks |
| IV | Vectors and Three-dimensional Geometry | 14 Marks |
| V | Linear Programming | 5 Marks |
| VI | Probability | 8 Marks |
| Total | 80 Marks | |
CBSE 12th Maths Question Paper Pattern 2026
As per the CBSE 12th Maths exam pattern 2026, the question paper will include MCQ, short-answer type, long-answer type, and case study-based questions with weightage for each question ranging between 1 and 6. In the CBSE class 12 Maths questions paper for the previous academic year, students had to attempt 38 questions. Students must avoid studying the topics mentioned in the CBSE class 12 Maths deleted syllabus 2025-26.
The table below contains the question paper pattern of the class 12 CBSE 2025-26 exam.
| Sections | Questions Types | Total Number of Questions | Marks |
| Section-A | Multiple Choice Questions | 20 | 1 x 20 = 20 |
| Section-B | Very Short Answer Type Questions | 5 | 5 x 2 = 10 |
| Section-C | Short Answer Type Questions | 6 | 6 x 3 = 18 |
| Section-D | Long Answer Type Questions | 4 | 4 x 5 = 20 |
| Section-E | Case Study/Application-Based Questions | 3 | 3 x 4 = 12 |
Prescribed Books for CBSE Class 12 Maths
Students must strictly follow the syllabus and study the subject only from the following CBSE class 12th books for Maths. The questions in the exam will be mostly presented as per the Maths Class 12 syllabus, NCERT. However, they can also review and study the reference books to score good marks.
- Mathematics Part I - Textbook for Class XII, NCERT Publication
- Mathematics Part II - Textbook for Class XII, NCERT Publication
- Mathematics Exemplar Problem for Class XII, Published by NCERT
- Mathematics Lab Manual Class XII, Published by NCERT
Also Read: Best Reference Books in CBSE Class 12th
Reasons Behind the CBSE Class 12 Maths Deleted Syllabus 2025-26
The updated syllabus focuses on creating a stronger foundation for concepts and identifies the importance of strengthening basics. The Board aims to streamline important topics and help students learn more about their practical applications through the CBSE Maths Deleted Syllabus class 12 2026.
- The Maths syllabus has been reduced as the subject has grown and needs to be at par with the academic requirements.
- Authorities have designed the syllabus to be more application-based rather than concept-based.
- Through the CBSE class 12 maths deleted syllabus 2026, authorities encouraged self-learning and reduced dependency on external factors.
Benefits of CBSE Class 12th Maths Deleted Syllabus 2025-26
The new Maths syllabus will help the candidates understand the overall CBSE class 12th marking scheme. Now, we will look at the upsides of the CBSE Class 12 Maths deleted syllabus 2025-26 and how it has proven beneficial for students.
- The new CBSE class 12 maths 2025-26 syllabus is more scoring, as the focus has been shifted from less essential topics and concepts to vital chapters.
- The reassessment of the difficulty level has made the syllabus more straightforward to understand and apply in practical life.
- Productivity has increased as the syllabus is in alignment with competitive exams.
How to Prepare for CBSE Class 12 Maths Exam 2025-26?
Students review the CBSE Maths deleted syllabus class 12 2026 and check the chapter-wise topics that have been removed to prepare for the exam accordingly. The following are some tips for CBSE Class 12 preparation in Maths.
- Students must analyze the class 12 Maths syllabus and highlight important chapters and topics. They must prepare an effective study plan to cover each concept comprehensively.
- They must evaluate their understanding and identify their weaknesses towards any pattern of sums, theory or other subject matter. They must focus on the core concepts that are mostly covered in the exam.
- Students must have a clear understanding of all the chapters and topics in class 12 Maths syllabus. They must review the CBSE class 12 exam pattern 2026 and marking scheme to learn about the question structure, types and evaluation pattern.
- Students must practice a wide range of problems and exercises from books and sample papers. They can also refer to last year's question papers for effective preparation.
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15% reduction in Class 12 Mathematics syllabus. -
Topics removed from 9 main chapters. -
Exam is 80 marks theory, 20 marks practical. -
Download updated syllabus from official CBSE website.