CBSE Class 10 Syllabus 2026 — All Subjects Complete List
CBSE Class 10 syllabus 2026 for all subjects — Maths, Science, English, Social Science, Hindi.
The CBSE Class 10 syllabus 2026 covers 5 main subjects: Mathematics (80 marks), Science (80 marks), Social Science (80 marks), English (80 marks), and Hindi/Second Language (80 marks). Each subject also has 20 marks internal assessment. Below is the complete chapter-wise syllabus with marks distribution for every subject.
Mathematics — Chapter-Wise Syllabus & Marks
| Unit | Chapters | Marks |
|---|---|---|
| Number Systems | Real Numbers (Euclid's Division Lemma, Fundamental Theorem of Arithmetic, Irrational Numbers, Rational Numbers) | 6 |
| Algebra | Polynomials, Pair of Linear Equations in Two Variables, Quadratic Equations, Arithmetic Progressions | 20 |
| Coordinate Geometry | Distance Formula, Section Formula, Area of Triangle | 6 |
| Geometry | Triangles (Similarity, BPT), Circles (Tangent Properties), Constructions | 15 |
| Trigonometry | Trigonometric Ratios, Trigonometric Identities, Heights & Distances | 12 |
| Mensuration | Areas Related to Circles, Surface Areas & Volumes (Combination of Solids) | 10 |
| Statistics & Probability | Mean, Median, Mode of Grouped Data, Ogive, Probability | 11 |
| Total (Theory) | 80 | |
| Internal Assessment | 20 | |
Tip: Algebra alone is 25% of the paper. Master Quadratic Equations and AP first — they are the most scoring.
Science — Chapter-Wise Syllabus & Marks
| Unit | Chapters | Marks |
|---|---|---|
| Chemical Substances | Chemical Reactions & Equations, Acids Bases & Salts, Metals & Non-metals, Carbon & Its Compounds | 25 |
| World of the Living | Life Processes, Control & Coordination, How Do Organisms Reproduce, Heredity & Evolution | 25 |
| Effects of Current & Natural Phenomena | Electricity, Magnetic Effects of Electric Current, Light — Reflection & Refraction, Human Eye & Colourful World | 27 |
| Natural Resources | Our Environment, Sustainable Management of Natural Resources | 3 |
| Total (Theory) | 80 | |
| Internal Assessment (includes Practical) | 20 | |
Tip: Physics (Electricity + Light) and Chemistry (Reactions + Carbon Compounds) carry the most marks. Biology chapters are scoring but require memorisation of diagrams.
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| Unit | Chapters | Marks |
|---|---|---|
| India and the Contemporary World — II (History) | The Rise of Nationalism in Europe, Nationalism in India, The Making of a Global World, The Age of Industrialisation, Print Culture & the Modern World | 20 |
| Contemporary India — II (Geography) | Resources & Development, Forest & Wildlife Resources, Water Resources, Agriculture, Minerals & Energy Resources, Manufacturing Industries, Lifelines of National Economy | 20 |
| Democratic Politics — II (Political Science) | Power Sharing, Federalism, Gender Religion & Caste, Political Parties, Outcomes of Democracy | 20 |
| Understanding Economic Development (Economics) | Development, Sectors of the Indian Economy, Money & Credit, Globalisation & the Indian Economy | 20 |
| Total (Theory) | 80 | |
| Internal Assessment | 20 | |
Tip: Map work in Geography carries 5 marks — practise India maps daily. History requires event timelines — make chronological charts.
English (Language & Literature) — Syllabus & Marks
| Section | Content | Marks |
|---|---|---|
| Reading Comprehension | 2 unseen passages (factual + discursive/literary) with MCQs and short answers | 20 |
| Grammar | Tenses, Modals, Subject-Verb Agreement, Determiners, Reported Speech, Commands & Requests | 10 |
| Creative Writing | Formal Letter / Informal Letter, Analytical Paragraph (100–120 words) | 10 |
| Literature | First Flight (prose + poems): A Letter to God, Nelson Mandela, Two Stories about Flying, From the Diary of Anne Frank, etc. Footprints Without Feet (supplementary): A Triumph of Surgery, The Thief's Story, etc. | 40 |
| Total (Theory) | 80 | |
| Internal Assessment | 20 | |
Tip: Literature carries 50% of marks (40/80). Read every chapter thoroughly — extract-based questions test exact text knowledge.
Hindi (Course A) — Syllabus & Marks
| Section | Content | Marks |
|---|---|---|
| Apathit Gadyansh (Unseen Passages) | 2 unseen passages with comprehension questions | 10 |
| Vyakaran (Grammar) | Pad Parichay, Rasa, Vakya Bhed, Ras, Alankar | 16 |
| Paathya Pustak (Textbook) | Kshitij Part 2 (prose + poetry): Surdas, Tulsidas, Dev, Jayashankar Prasad, etc. Kritika Part 2 (supplementary): Mata ka Anchal, etc. | 14 |
| Lekhan (Writing) | Patra Lekhan, Anuchchhed, Suchna, Sandesh Lekhan, Vigyapan | 20 |
| Maukhik (Oral) | Included in Internal Assessment | — |
| Total (Theory) | 80* | |
| Internal Assessment | 20 | |
Exam Pattern Summary — All Subjects
| Feature | Details |
|---|---|
| Duration | 3 hours per paper |
| Maximum Marks | 80 (theory) + 20 (internal) = 100 per subject |
| Question Types | MCQs, very short answer (1–2 marks), short answer (3 marks), long answer (5 marks), case-based (4 marks) |
| Internal Choice | 33% internal choice available in all subjects |
| Competency-Based Qs | 30–40% of paper — application, analysis, and evaluation-based |
| Passing Marks | 33% overall (theory + internal combined). Must also score minimum 33% in theory alone. |
Where to Download the Official Syllabus
- CBSE Academic: cbseacademic.nic.in → Curriculum → Secondary (Class 10)
- CBSE Main Site: cbse.gov.in → Examinations → Curriculum/Syllabus
- NCERT: ncert.nic.in — textbook PDFs match the CBSE syllabus
Syllabus and marks distribution based on CBSE's official curriculum document for 2025–2026. CBSE may make minor adjustments — always verify with the latest curriculum on cbseacademic.nic.in. Chapter names may differ slightly between CBSE curriculum and NCERT textbooks. Last updated: February 2026.
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Try Super Tutor — It's FreeFrequently Asked Questions
Has CBSE reduced the Class 10 syllabus for 2026?
CBSE rationalised the syllabus in 2023–24 and has largely kept the same reduced syllabus since. Some chapters/topics that were removed remain excluded. Check the official CBSE curriculum document on cbseacademic.nic.in for the latest list of deleted topics. This article reflects the current rationalised syllabus.
How many marks is the CBSE Class 10 board exam out of?
Each subject has 80 marks for the board exam (theory/written) and 20 marks for internal assessment. Total: 100 marks per subject. Internal assessment includes periodic tests (10 marks), notebook submission (5 marks), and subject enrichment activities (5 marks). For Science, the 20 internal marks include practical exam marks.
Which chapters carry the most marks in Class 10 Maths?
Highest weightage chapters in CBSE Class 10 Maths 2026: (1) Algebra — 20 marks (Polynomials, Linear Equations, Quadratics, AP), (2) Geometry — 15 marks (Triangles, Circles, Constructions), (3) Trigonometry — 12 marks, (4) Coordinate Geometry — 8 marks, (5) Statistics & Probability — 11 marks, (6) Mensuration — 10 marks, (7) Number Systems — 6 marks.
Which chapters carry the most marks in Class 10 Science?
Highest weightage in CBSE Class 10 Science: (1) Chemical Reactions & Equations — 8–10 marks, (2) Life Processes — 8–10 marks, (3) Electricity — 8 marks, (4) Heredity & Evolution — 6–8 marks, (5) Light — Reflection & Refraction — 8 marks, (6) Carbon & Its Compounds — 6–8 marks. Biology chapters collectively carry ~25 marks, Physics ~25 marks, Chemistry ~25 marks.
Is the CBSE Class 10 syllabus same for 2025 and 2026?
Largely yes. CBSE has maintained the rationalised syllabus structure since 2023–24. Minor adjustments may occur — always verify with the official curriculum document released by CBSE in April/May for the upcoming academic year. The curriculum document is available on cbseacademic.nic.in.
Do I need to study deleted chapters for CBSE Class 10?
No. Deleted/rationalised chapters will NOT appear in the board exam. However, they may be useful for: (1) competitive exam preparation (NTSE, Olympiads), (2) understanding Class 11–12 topics that build on these concepts. For board exam purposes, focus only on the syllabus listed in the official CBSE curriculum document.