ISC Class 11Subject library

ISC Class 11 Mathematics

Chapter-wise notes, previous year papers, sample papers and Q&A for ISC Class 11 mathematics — free, syllabus-aligned, exam-ready.

14 chapters~328 min read totalFree · printable

Chapters

14 chapters — sequenced for revision and exam prep.

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Sets

The language of all mathematics begins here — with SETS. This foundational chapter covers set notation, types of sets (empty, finite, infinite, equal, subsets), Venn diagrams, and set operations (union, intersection, difference, complement). CBSE Class 11 Mathematics Chapter 1.

CBSE⏱ 22 minRead chapter

Relations and Functions

How are things CONNECTED? Relations and functions formalise the idea of association — from the Cartesian product of sets to the special case where every input has EXACTLY ONE output. This chapter covers domain, range, and types of functions. CBSE Class 11 Mathematics Chapter 2.

CBSE⏱ 24 minRead chapter

Trigonometric Functions

Sine, cosine, tangent — the ratios that relate angles to sides and UNDERLIE everything from physics to engineering. This chapter covers degree and radian measure, trigonometric functions of any angle, graphs, and key identities. CBSE Class 11 Mathematics Chapter 3.

CBSE⏱ 28 minRead chapter

Complex Numbers and Quadratic Equations

What is √(-1)? The answer — i — opens up an ENTIRE NEW NUMBER SYSTEM. This chapter introduces complex numbers (a + ib), their algebra, the Argand plane, and how they solve every quadratic equation. CBSE Class 11 Mathematics Chapter 4.

CBSE⏱ 24 minRead chapter

Linear Inequalities

Not every relationship is an EQUATION. Sometimes — often — it's an INEQUALITY. This chapter covers solving and graphing linear inequalities in one and two variables, and the crucial rule: when you multiply or divide by a NEGATIVE, the sign FLIPS. CBSE Class 11 Mathematics Chapter 5.

CBSE⏱ 18 minRead chapter

Permutations and Combinations

How many ways can you arrange 5 books on a shelf? How many ways can you choose a team of 11 from 15 players? PERMUTATIONS count ARRANGEMENTS (order matters). COMBINATIONS count SELECTIONS (order doesn't matter). CBSE Class 11 Mathematics Chapter 6.

CBSE⏱ 22 minRead chapter

Binomial Theorem

(a + b)ⁿ — how do you expand it WITHOUT multiplying a billion times? The Binomial Theorem gives the answer: use Pascal's triangle and nCr coefficients. CBSE Class 11 Mathematics Chapter 7.

CBSE⏱ 20 minRead chapter

Sequences and Series

2, 4, 6, 8... (AP). 3, 9, 27, 81... (GP). This chapter covers Arithmetic Progressions and Geometric Progressions — how to find any term, sum the series, and insert means between terms. CBSE Class 11 Mathematics Chapter 8.

CBSE⏱ 26 minRead chapter

Straight Lines

The straight line is the simplest curve — but its mathematics is surprisingly rich. This chapter covers slope, various forms of the equation of a line, angle between lines, distance of a point from a line, and concurrent lines. CBSE Class 11 Mathematics Chapter 9.

CBSE⏱ 26 minRead chapter

Conic Sections (Circles, Ellipses, Parabolas, Hyperbolas)

Slice a cone at different angles — you get a CIRCLE, an ELLIPSE, a PARABOLA, or a HYPERBOLA. These four curves describe planetary orbits, satellite dishes, and the paths of projectiles. CBSE Class 11 Mathematics Chapter 10.

CBSE⏱ 28 minRead chapter

Introduction to Three-Dimensional Geometry

The world has THREE dimensions — and so does mathematics. This chapter extends coordinate geometry from the 2D plane to 3D SPACE: coordinates, distance formula, section formula, and octants. CBSE Class 11 Mathematics Chapter 11.

CBSE⏱ 18 minRead chapter

Limits and Derivatives

This is where calculus BEGINS — with the concept of a LIMIT (what a function approaches) and the DERIVATIVE (the instantaneous rate of change). This is the mathematics of motion, slopes, and optimisation. CBSE Class 11 Mathematics Chapter 12.

CBSE⏱ 28 minRead chapter

Statistics (Mean Deviation, Variance, Standard Deviation)

Data has a STORY — and statistics gives you the tools to tell it. This chapter covers measures of dispersion for DATA: range, mean deviation, variance, and standard deviation for both ungrouped and grouped data. CBSE Class 11 Mathematics Chapter 13.

CBSE⏱ 22 minRead chapter

Probability

What is the chance of rain tomorrow? Of rolling a sum of 7 with two dice? PROBABILITY quantifies uncertainty. This chapter covers the classical definition, sample space, events, and the addition rule. CBSE Class 11 Mathematics Chapter 14.

CBSE⏱ 22 minRead chapter