CBSE 2026 Class 12 Maths 10 Important Topics for 40+ Marks: Central Board of Secondary Education (CBSE) will conduct the Class 12 Mathematics examination on March 9, 2026, which is one of the most crucial assessments for students pursuing their higher secondary education under the Science stream. With the 2026 board examinations approaching, students are increasingly focused on identifying key topics that carry significant weightage in the question paper. Therefore, for the candidate's ease in their preparation process, the CBSE 2026 Class 12 Maths 10 Important Topics for 40+ Marks have been provided here.
Mathematics, being a scoring subject, offers students the opportunity to secure excellent marks if they prepare strategically by focusing on high-weightage topics. The syllabus for the CBSE 2026 Class 12 Mathematics Paper is divided into six central units: Relations and Functions, Algebra, Calculus, Vectors and Three-Dimensional Geometry, Linear Programming, and Probability. The examination typically consists of questions worth 80 marks, with internal assessment accounting for the remaining 20 marks. To score 40+ marks efficiently, students must focus on topics that consistently appear in board examinations and carry substantial weightage.
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Check the essential topics in the table below that will be required to be prepared for the Mathematics paper under the CBSE Class 12 Board Exam 2026 to score more than 40 marks in the theory paper:
| CBSE 2026 Class 12 Maths 10 Important Topics for 40+ Marks | Weightage (in Terms of Marks) |
| Name of the Chapter | Important Topics in That Chapter |
| Relations and Functions | - Equivalence relations
- One-one, onto functions
| 8 marks |
| Inverse Trigonometric Functions | - Domain
- Range
- Principal value
|
| Matrices | - Symmetric and Skew-symmetric
- Invertible matrices
- Proof of uniqueness of Inverse
| 10 marks |
| Determinants | - Minors
- Cofactors
- Application (Area of Δ)
- Solution of Linear Equations
- Inverse of Matrices
|
| Continuity and Differentiability | - Values of Continuity
- Derivative of Implicit Functions
- Derivatives of Exponential and Logarithms
- Second Order Derivatives
| 35 marks |
| Application of Derivatives | - Maxima and Minima
- Increasing and Decreasing
|
| Integration | - All Formulas
- Definite Integration
|
| AOI | |
| Differential Equations | - Order and Degree
- Linear Differential Equation
|
| Vectors | - Dot and Cross Products
- Point dividing the line segment in a given ratio
| 14 marks |
| 3D Geometry | - Direction Cosine and Ratio
- Shortest Distance between Skewed Lines
- Angle between Lines
|
| LPP | - Bounded and Unbounded
- Feasible and Infeasible solutions
| 5 marks |
| Probability | - Bayes' Theorem
- Probability distribution
| 8 marks |
The Mathematics examination under the CBSE Class 12 Board Exam 2026, while challenging, offers ample opportunities for students to score well if they prepare strategically. By focusing on the high-weightage topics outlined above, students can effectively target 40+ marks from these areas alone.
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