NCERT Books Class 11 Maths: Official Chapter-Wise PDFs
Looking for the official NCERT Class 11 Maths textbook with verified chapter PDFs? We have checked all 14 chapters on ncert.nic.in as of 2026-07-11 and linked them below. An outdated PDF can silently contain a deleted or renumbered chapter, which means you might study content that no longer appears on the board exam—so verification matters before your final revision.
This page gives you the exact book identity and a download link for every official chapter, plus the CBSE unit-wise marks distribution so you know which topics carry the heaviest weight in the 80-mark theory paper. Use this to plan your study time strategically.
About the NCERT Class 11 Maths Textbook
The official textbook is titled Mathematics, prescribed by CBSE for Class 11 students in the 2026-27 session. It is written in English medium and contains 14 chapters spanning four broad mathematical areas: Sets and Functions, Algebra, Coordinate Geometry, and Calculus, plus Statistics and Probability. All 14 chapter PDFs have been verified on ncert.nic.in with an HTTP 200 status on 2026-07-11, confirming their current availability and authenticity.
What Each Chapter Covers
Chapter 1: Sets (23 pages) introduces set notation, subsets, and Venn diagrams, forming the foundation for working with collections of mathematical objects.
Chapter 2: Relations and Functions (19 pages) develops domain, range, and function types, teaching you to identify and work with relationships between quantities.
Chapter 3: Trigonometric Functions (33 pages) explores radian measure and trigonometric identities, moving beyond the angle measure you learned in Class 10.
Chapter 4: Complex Numbers and Quadratic Equations (13 pages) introduces the imaginary unit i and the Argand plane, extending your number system beyond real numbers.
Chapter 5: Linear Inequalities (11 pages) teaches graphing inequalities and solving systems algebraically and visually on the coordinate plane.
Chapter 6: Permutations and Combinations (26 pages) covers counting arrangements versus selections, a core tool for probability and problem-solving.
Chapter 7: Binomial Theorem (9 pages) shows how to expand (a+b)^n term by term using a systematic formula, avoiding long multiplication.
Chapter 8: Sequences and Series (16 pages) analyzes arithmetic and geometric progressions and their sums, useful for modelling repeating patterns.
Chapter 9: Straight Lines (25 pages) develops slope, intercepts, and line equations in multiple forms, connecting algebra to geometry.
Chapter 10: Conic Sections (32 pages) studies circles, parabolas, ellipses, and hyperbolas as loci of points with specific distance properties.
Chapter 11: Introduction to Three Dimensional Geometry (9 pages) extends the coordinate system to 3D coordinates and distance in 3D space, preparing you for Class 12 calculus.
Chapter 12: Limits and Derivatives (40 pages) introduces the idea of a limit and first derivative rules, the conceptual cornerstone of Class 12 Calculus.
Chapter 13: Statistics (32 pages) teaches mean deviation, variance, and standard deviation, measuring how spread out data is from its centre.
Chapter 14: Probability (25 pages) develops sample space, events, and the probability of an event using counting techniques from earlier chapters.
CBSE Unit-Wise Weightage for Class 11 Maths (2026-27)
| Ch. | Chapter | Pages | Official PDF |
|---|---|---|---|
| 1 | SETS | 23 | |
| 2 | RELATIONS AND FUNCTIONS | 19 | |
| 3 | TRIGONOMETRIC FUNCTIONS | 33 | |
| 4 | COMPLEX NUMBERS AND QUADRATIC EQUATIONS | 13 | |
| 5 | LINEAR INEQUALITIES | 11 | |
| 6 | PERMUTATIONS AND COMBINATIONS | 26 | |
| 7 | BINOMIAL THEOREM | 9 | |
| 8 | SEQUENCES AND SERIES | 16 | |
| 9 | STRAIGHT LINES | 25 | |
| 10 | CONIC SECTIONS | 32 | |
| 11 | INTRODUCTION TO THREE DIMENSIONAL GEOMETRY | 9 | |
| 12 | LIMITS AND DERIVATIVES | 40 | |
| 13 | STATISTICS | 32 | |
| 14 | PROBABILITY | 25 |
The CBSE theory paper is out of 80 marks (plus 20 internal assessment). Understanding how marks are distributed across units helps you prioritise chapters for revision. Here is the exact breakdown verified from the CBSE Curriculum 2026-27, Senior Secondary Mathematics:
| Unit | Chapters Covered | Marks |
|---|---|---|
| Unit I: Sets and Functions | 1, 2, 3 | 23 |
| Unit II: Algebra | 4, 5, 6, 7 | 25 |
| Unit III: Coordinate Geometry | 8, 9, 10 | 12 |
| Unit IV: Calculus | 11, 12 | 8 |
| Unit V: Statistics and Probability | 13, 14 | 12 |
Key insight: Unit II (Algebra: Chapters 4–7) and Unit I (Sets and Functions: Chapters 1–3) together account for 48 marks out of 80—just over 60% of the theory paper. This means Complex Numbers, Linear Inequalities, Permutations and Combinations, Binomial Theorem, Sets, Relations and Functions, and Trigonometric Functions deserve your earliest and deepest revision. Chapters in Units III, IV, and V are lower in marks weight but are still examinable and set up concepts needed for Class 12.
How to Use This NCERT Class 11 Maths Book for Exam Preparation
Follow these steps to extract maximum value from the textbook:
- Solve every in-text example before attempting the exercise. The examples show the method and common shortcuts. Copy the working into your notebook—do not skip steps.
- Attempt the miscellaneous exercise at the end of each chapter. CBSE often draws board-style questions from this section. If you can solve the miscellaneous exercise, you can handle most board questions.
- Link Chapters 6 and 7 during revision. Permutations and Combinations (Ch. 6) and Binomial Theorem (Ch. 7) both rely on factorial notation and combinatorial thinking. Revise them together for speed and confidence.
- Do not treat Chapter 12 (Limits and Derivatives) as optional. Many students defer this chapter to late revision, but it is the gateway to all of Class 12 Calculus. A weak grasp now means struggling with differentiation and integration next year. Spend extra time on the definition of a limit and the first principles derivative rule.
Common Mistake: Permutation vs. Combination
A typical error students make is confusing when to use permutations (nPr) and combinations (nCr). Here is a worked example with original numbers:
Problem: A student is asked to choose 4 books from a shelf of 9 different books to read in any order. How many ways can this be done?
Wrong approach: Using permutation: \(9P4 = \frac{9!}{(9-4)!} = \frac{9!}{5!} = 9 \times 8 \times 7 \times 6 = 3024\) ways.
Why this is wrong: The problem says “in any order,” which means the set {Book A, Book B, Book C, Book D} is the same as {Book D, Book C, Book A, Book B}. Permutation counts these as different arrangements, inflating your answer.
Correct approach: Using combination: \(9C4 = \frac{9!}{4!(9-4)!} = \frac{9!}{4! \times 5!} = \frac{9 \times 8 \times 7 \times 6}{4 \times 3 \times 2 \times 1} = \frac{3024}{24} = 126\) ways.
Key rule: If the problem asks for arrangements or order matters (e.g., seating people, arranging digits), use permutation. If the problem asks for selections or order does not matter (e.g., choosing a committee, picking books to read), use combination.
Related NCERT Resources for Class 11 Students
To deepen your understanding of Class 11 mathematics, explore the Class 11 Mathematics NCERT notes hub, which contains topic-wise breakdowns and worked problems. If you are preparing across multiple subjects, the Class 11 NCERT Books page links to Physics, Chemistry, Biology, and English textbooks. For students planning ahead, the Class 12 Maths NCERT Books page shows how Limits and Derivatives (Chapter 12 here) expands into full Calculus—reviewing Chapter 12 thoroughly now prevents gaps next year.
Frequently Asked Questions on NCERT Books Class 11 Maths
Is the NCERT Class 11 Maths textbook the same for the 2026-27 session or has it been revised?
The textbook used in 2026-27 is the current official NCERT Mathematics for Class 11. All 14 chapters have been verified on ncert.nic.in as of 2026-07-11 and are available without any deletions or major structural changes from the 2026-27 edition. CBSE updates the syllabus periodically; always check the official CBSE curriculum notice for your exam year to confirm which version applies.
How many chapters are there in the NCERT Class 11 Maths book?
There are 14 chapters in total. They cover Sets, Relations and Functions, Trigonometric Functions, Complex Numbers and Quadratic Equations, Linear Inequalities, Permutations and Combinations, Binomial Theorem, Sequences and Series, Straight Lines, Conic Sections, Introduction to Three Dimensional Geometry, Limits and Derivatives, Statistics, and Probability.
Which NCERT Class 11 Maths chapter carries the highest weightage in the CBSE board exam?
Unit II (Algebra), which comprises Chapters 4–7, carries the highest marks: 25 marks out of 80 in the theory paper. Within this, Complex Numbers and Quadratic Equations, Linear Inequalities, Permutations and Combinations, and Binomial Theorem together test your algebraic problem-solving skills extensively.
Do I need the NCERT Exemplar in addition to this NCERT Class 11 Maths textbook?
The NCERT Exemplar is optional but useful. The main textbook (linked on this page) contains enough in-text examples and exercises to meet the CBSE board exam syllabus. The Exemplar offers additional, more challenging problems for students aiming for higher scores or preparing for competitive exams like JEE. If your time is limited, complete every exercise in the main textbook first, then use the Exemplar for extra practice.
Can the NCERT Class 11 Maths book PDF be used for JEE Main preparation as well?
Yes, the NCERT Class 11 Maths book is a strong foundation for JEE Main. It covers all the basic concepts and standard problem types that appear in the exam. However, JEE also tests deeper conceptual understanding and higher-level problem-solving skills. Students preparing for JEE typically use the NCERT book alongside specialized JEE-level resources. Start with NCERT, master every concept, and then move to advanced materials if needed.
Is Chapter 12, Limits and Derivatives, important for Class 12 Maths?
Absolutely. Chapter 12 is not just an exam chapter for Class 11—it is the conceptual gateway to all of Class 12 Calculus. The definition of a limit and the idea of a derivative (as a rate of change) underpin differentiation and integration rules you will learn next year. A weak foundation here means struggling with Class 12 topics. Treat this chapter as high priority and spend time understanding the logic, not just memorizing formulas.
Reference: NCERT Class 11 Mathematics textbook, official edition on ncert.nic.in. Chapter PDFs verified 2026-07-11. Unit-wise weightage from CBSE Curriculum 2026-27, Senior Secondary Mathematics.