12 views
3 Mins read
1 hour, 36 minutes
Students preparing for Class 10 and Class 12 board examinations often search for chapter wise weightage to decide which topics should receive more attention during revision.
Knowing the official syllabus structure can certainly help with planning, but students should remember that CBSE does not necessarily publish a fixed chapter-wise marks distribution for every subject.
For example, the CBSE Class XII Mathematics syllabus states that there is no chapter-wise weightage, so students should cover all chapters rather than completely skipping topics.CBSE Academic
For the 2025–26 CBSE Class 10 Mathematics syllabus, the official theory paper is 80 marks. The unit-wise distribution is:
| Unit | Marks |
|---|---|
| Number Systems | 6 |
| Algebra | 20 |
| Coordinate Geometry | 6 |
| Geometry | 15 |
| Trigonometry | 12 |
| Mensuration | 10 |
| Statistics & Probability | 11 |
| Total | 80 |
Therefore, students searching for class 10th maths chapter wise weightage should pay particular attention to Algebra, Geometry, Trigonometry, Statistics & Probability and Mensuration while still preparing the complete syllabus.CBSE Academic
For Class 12 Mathematics, the official 2025–26 syllabus gives unit-wise, not fixed chapter-wise, marks:
| Unit | Marks |
|---|---|
| Relations & Functions | 8 |
| Algebra | 10 |
| Calculus | 35 |
| Vectors & 3D Geometry | 14 |
| Linear Programming | 5 |
| Probability | 8 |
| Total | 80 |
Calculus therefore represents the largest unit by official marks allocation. However, CBSE specifically states that there is no chapter-wise weightage, so students should not assume that individual chapters within Calculus will receive predetermined marks.CBSE Academic
This is particularly important for students searching for maths chapter wise weightage class 12, class 12 maths chapterwise weightage, or marks distribution of class 12 maths.
The official Class 12 Physics theory paper carries 70 marks. CBSE groups chapters into units with the following marks:
| Units | Chapters | Marks |
|---|---|---|
| Electrostatics + Current Electricity | Chapters 1–3 | 16 |
| Magnetic Effects + EMI & AC | Chapters 4–7 | 17 |
| Electromagnetic Waves + Optics | Chapters 8–10 | 18 |
| Dual Nature + Atoms & Nuclei | Chapters 11–13 | 12 |
| Electronic Devices | Chapter 14 | 7 |
| Total | 70 |
This official structure is useful for students searching for physics chapter wise weightage class 12 or 12 physics chapter wise weightage.CBSE Academic
Chemistry provides one of the clearest examples of official chapter-level marks allocation in the 2025–26 syllabus:
| Chapter | Marks |
|---|---|
| Solutions | 7 |
| Electrochemistry | 9 |
| Chemical Kinetics | 7 |
| d- and f-Block Elements | 7 |
| Coordination Compounds | 7 |
| Haloalkanes and Haloarenes | 6 |
| Alcohols, Phenols and Ethers | 6 |
| Aldehydes, Ketones and Carboxylic Acids | 8 |
| Amines | 6 |
| Biomolecules | 7 |
| Total | 70 |
Students searching for class 12 chemistry chapterwise weightage can use this official distribution as a planning reference.CBSE Academic
Chapter weightage should be used as a study-planning tool, not as a reason to skip chapters.
A good preparation strategy is:
Students should also check the latest CBSE syllabus and sample papers because the curriculum and assessment structure can change between academic sessions. CBSE publishes official sample question papers and marking schemes for Class X and XII.CBSE Academic
Searching for chapter wise weightage can help students organize their preparation, but marks distribution should never replace complete syllabus coverage. Prioritize units with greater official weightage, but revise every prescribed chapter because the exact question paper cannot be predicted from previous examinations.
Students who need additional academic support can also explore Tutor Wala for tutoring options. Parents looking for home tuition in Lucknow can find academic support based on class, subject, locality and preferred schedule.
