CBSE Class 10 Chapter Weightage 2026-27
Subject-wise Marks Distribution & Chapter-wise Weightage for Board Exams
Understand the exact marks distribution across chapters to plan your board exam preparation effectively for the 2026-27 academic year. Focus on high-weightage topics for better scores.
CBSE Class 10 Mathematics Chapter Weightage 2026-27
| Unit | Chapters | Weightage (%) | Marks (80) | Priority |
|---|---|---|---|---|
| Number Systems | Ch 1: Real Numbers | 10% | 8 | Medium |
| Algebra | Ch 2: Polynomials Ch 3: Pair of Linear Equations |
15% | 12 | High |
| Ch 4: Quadratic Equations Ch 5: Arithmetic Progressions |
15% | 12 | High | |
| Geometry | Ch 6: Triangles Ch 7: Coordinate Geometry |
20% | 16 | Critical |
| Ch 8: Introduction to Trigonometry Ch 9: Some Applications of Trigonometry Ch 10: Circles |
20% | 16 | Critical | |
| Mensuration | Ch 11: Areas Related to Circles Ch 12: Surface Areas and Volumes |
10% | 8 | Medium |
| Statistics & Probability | Ch 13: Statistics | 5% | 4 | Medium |
| Ch 14: Probability | 5% | 4 | Medium | |
| Total | 100% | 80 | — | |
Critical Units
Algebra & Geometry
High Priority
Number Systems, Mensuration
Medium Priority
Statistics & Probability
Strategy: Focus on Algebra (30%) and Geometry (40%) as they together account for 70% of the marks. Number Systems (10%), Mensuration (10%), and Statistics & Probability (10%) should not be ignored.
CBSE Class 10 Science Chapter Weightage 2026-27
| Section | Chapters | Weightage (%) | Marks (80) | Priority |
|---|---|---|---|---|
| Chemistry | ||||
| Chemistry | Ch 1: Chemical Reactions and Equations Ch 2: Acids, Bases and Salts |
15% | 12 | High |
| Ch 3: Metals and Non-Metals Ch 4: Carbon and Its Compounds |
15% | 12 | High | |
| Biology | ||||
| Biology | Ch 5: Life Processes Ch 6: Control and Coordination |
15% | 12 | High |
| Ch 7: How Do Organisms Reproduce? Ch 8: Heredity and Evolution |
15% | 12 | Medium | |
| Physics | ||||
| Physics | Ch 9: Light - Reflection and Refraction Ch 10: Human Eye and Colourful World |
14% | 11 | High |
| Ch 11: Electricity | 13% | 10 | High | |
| Ch 12: Magnetic Effects of Electric Current Ch 13: Our Environment |
13% | 11 | Medium | |
| Total | 100% | 80 | — | |
Chemistry
30% (24 marks)
Biology
30% (24 marks)
Physics
40% (32 marks)
Strategy: Physics carries the highest weightage (40%). Focus equally on Chemistry and Biology (30% each). Prioritize Chemical Reactions, Acids & Bases, Carbon Compounds, Life Processes, Light, and Electricity.
CBSE Class 10 English Chapter Weightage 2026-27
| Section | Components | Weightage (%) | Marks (80) | Priority |
|---|---|---|---|---|
| Literature (First Flight) | ||||
| Prose | A Letter to God, Nelson Mandela, From the Diary of Anne Frank, The Proposal | 15% | 12 | High |
| Two Stories about Flying, The Hundred Dresses, Glimpses of India, Madam Rides the Bus | 10% | 8 | Medium | |
| Poetry | Dust of Snow, Fire and Ice, A Tiger in the Zoo, Amanda!, Animals, The Trees, Fog | 10% | 8 | Medium |
| Supplementary (Footprints Without Feet) | ||||
| Supplementary | A Triumph of Surgery, The Thief's Story, Footprints Without Feet, The Necklace, The Hack Driver | 15% | 12 | High |
| Grammar & Writing | ||||
| Grammar | Tenses, Modals, Active-Passive, Reported Speech, Subject-Verb Agreement, Determiners, Clauses | 20% | 16 | High |
| Writing Skills | Formal Letters, Story Writing, Article Writing, Descriptive Paragraph, Analytical Paragraph, Report Writing | 30% | 24 | Critical |
| Total | 100% | 80 | — | |
Literature
40% (32 marks)
Grammar
20% (16 marks)
Writing Skills
40% (32 marks)
Strategy: Writing Skills (30%) and Grammar (20%) together carry 50% of the marks. Focus on formal letters, article writing, and analytical paragraphs. For literature, prioritize prose chapters from First Flight and Footprints Without Feet.
CBSE Class 10 Hindi Chapter Weightage 2026-27
| Section | Components | Weightage (%) | Marks (80) | Priority |
|---|---|---|---|---|
| Literature (Kshitij) | ||||
| गद्य (Prose) | सूरदास, तुलसीदास, जयशंकर प्रसाद, नागार्जुन | 20% | 16 | High |
| मैथिलीशरण गुप्त, रामवृक्ष बेनीपुरी, प्रेमचंद | 10% | 8 | Medium | |
| कविता (Poetry) | सूरदास, तुलसीदास, देव, जयशंकर प्रसाद, नागार्जुन | 10% | 8 | Medium |
| Literature (Sparsh) | ||||
| गद्य (Prose) | कबीर, रैदास, मीराबाई, सूरदास, तुलसीदास, बिहारी, गिरिधर, देव, प्रेमचंद | 10% | 8 | Medium |
| कविता (Poetry) | कबीर, रैदास, मीराबाई, सूरदास, तुलसीदास, बिहारी, गिरिधर, देव | 5% | 4 | Medium |
| Grammar & Composition | ||||
| व्याकरण (Grammar) | संधि, समास, अलंकार, वाक्य, मुहावरे | 20% | 16 | Critical |
| रचना (Composition) | निबंध, पत्र, अनुच्छेद, कहानी लेखन | 25% | 20 | Critical |
| Total | 100% | 80 | — | |
गद्य
30% (24 marks)
कविता
15% (12 marks)
व्याकरण & रचना
55% (44 marks)
Strategy: Grammar and Composition together carry 45% of the marks. Focus on संधि, समास, अलंकार, and मुहावरे. For literature, prioritize Kshitij chapters like सूरदास, तुलसीदास, and जयशंकर प्रसाद.
CBSE Class 10 Overall Weightage Summary 2026-27
| Subject | Total Marks | Theory Marks | Internal Assessment | Exam Duration |
|---|---|---|---|---|
| Mathematics | 100 | 80 | 20 | 3 hours |
| Science | 100 | 80 | 20 | 3 hours |
| Social Science | 100 | 80 | 20 | 3 hours |
| English | 100 | 80 | 20 | 3 hours |
| Hindi | 100 | 80 | 20 | 3 hours |
Subjects with Highest Weightage
- Mathematics: Algebra (30%) & Geometry (40%)
- Science: Physics (40%)
- Social Science: Civics & Economics (40%)
- English: Writing Skills (30%)
- Hindi: Grammar & Composition (45%)
Preparation Strategy
- Prioritize high-weightage chapters first
- Allocate more time to critical chapters
- Practice previous year board papers for time management
- Focus on conceptual clarity over rote learning
- Take mock tests to identify weak areas
Final Strategy: Focus on chapters with 15%+ weightage first. Master them completely before moving to medium-weightage chapters. This ensures you secure maximum marks with your study time for the 2026-27 board exams.
Frequently Asked Questions
In CBSE Class 10 Mathematics, Number Systems carries 10%, Algebra carries 30%, Geometry carries 40%, and Statistics & Probability carries 20% of the total marks.
In CBSE Class 10 Science, Chemistry carries 30%, Biology carries 30%, and Physics carries 40% of the total marks. Physics has the highest weightage.
All subjects in CBSE Class 10 have 20 marks for internal assessment. This includes Periodic Tests (10 marks), Notebook Submission (5 marks), and Subject Enrichment Activities (5 marks).
Start with chapters that have 15% or higher weightage. Master them thoroughly, then move to medium-weightage chapters (10-15%). Chapters with lower weightage should be studied last but not ignored for the 2026-27 board exams.
StudyDecode provides comprehensive guidance on CBSE Class 10 chapter weightage. We help you identify high-priority chapters, plan your study schedule, and prepare effectively for board exams. Book a free consultation to know more.
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CBSE Class 10 Social Science Chapter Weightage 2026-27
History
30% (24 marks)
Geography
30% (24 marks)
Civics & Economics
40% (32 marks)