Mathematics

This is a complete, free study companion for Mathematics — built around what the exam actually asks. The topics examiners repeat most are Inverse trigonometric functions: simplification and principal values, Determinants: evaluation and properties, and Continuity of piecewise functions. The syllabus runs to 16 chapters. Below you'll find the full topic-frequency ranking, the exam paper pattern, every chapter, a step-by-step study plan, and the official downloads — everything in one place.

Everything here is free. We're an independent student resource, not the official ICSE & ISC body, so always confirm the current syllabus and exam dates on the official ICSE & ISC website before you rely on them.

Key information

Level: Class 12
Programme: CL12
Stream: Science
Exam: Indian School Certificate
Conducted by: Council for the Indian School Certificate Examinations (CISCE)

Most frequently examined topics

#	Topic	Times asked
1	Inverse trigonometric functions: simplification and principal values	6
2	Determinants: evaluation and properties	6
3	Continuity of piecewise functions	6
4	Differentiation using standard rules	6
5	Maxima and minima using derivative tests	6
6	Integration by substitution	6
7	Integration by parts	6
8	Properties of definite integrals	6
9	First order linear differential equations	6
10	Bayes' theorem	6
11	Area between two curves	6
12	Graphical method of linear programming	6

Counted across the official previous-year question papers we have analysed for this subject. It shows what has been asked before — it does not predict what will appear in your exam. Always confirm the current syllabus on the official portal.

What you will study (chapters)

Chapter 1: Relations and Functions
Chapter 2: Inverse Trigonometric Functions
Chapter 3: Matrices
Chapter 4: Determinants
Chapter 5: Continuity and Differentiability
Chapter 6: Indeterminate Forms
Chapter 7: Applications of Derivatives
Chapter 8: Integrals
Chapter 9: Differential Equations
Chapter 10: Probability
Chapter 11: Vectors
Chapter 12: Three-Dimensional Geometry
Chapter 13: Applications of Integrals
Chapter 14: Application of Calculus in Commerce and Economics
Chapter 15: Linear Regression
Chapter 16: Linear Programming

Official textbook

Mathematics — official textbook / study material — Free download from the official source.

How to study Mathematics and score well

Start with the highest-frequency topics — In Mathematics, Inverse trigonometric functions: simplification and principal values, Determinants: evaluation and properties, Continuity of piecewise functions, and Differentiation using standard rules appear again and again in past papers. Master these first — they return the most marks for the time you put in.
Practise with previous-year papers — Solve the last 5–10 years of ICSE & ISC Mathematics papers under timed, exam-like conditions. Past papers show exactly which topics repeat and how questions are worded.
Revise actively, not passively — Write a one-page summary for each of the 16 chapters — key definitions, formulas and the points examiners reward — then re-test yourself instead of re-reading.
Mark your answers with the official scheme — After each practice paper, score yourself against the official marking scheme. It shows how marks are awarded step-by-step, so you learn to present answers the way examiners expect.

Exam tips: how to score higher in Mathematics

Where students lose marks: rushing the high-weightage questions, skipping the steps the marking scheme rewards, and saving easy sections for last. Read the whole paper first, attempt your strongest section early to bank marks, and always show your working.

Manage your time: split your time in proportion to the marks each section carries, keep a few minutes at the end to check, and never leave a question blank — a partial, structured answer still earns partial marks.

Frequently asked questions

What are the most important topics in Mathematics?

Based on past papers, the most frequently asked topics include Inverse trigonometric functions: simplification and principal values, Determinants: evaluation and properties, Continuity of piecewise functions. The full ranked list with how often each appears is in the "Most important topics" section above.

Where can I download Mathematics previous-year question papers?

Official ICSE & ISC previous-year question papers are available on the official ICSE & ISC website. Open the Question Papers section for the direct link, plus the exam pattern and the topics that repeat most.

How can I prepare for Mathematics faster?

Start with the highest-frequency topics, learn the exam pattern so you know how each section is marked, and practise with past papers. A subject-aware study tutor can quiz you on exactly these topics.

A Gyani AI tutor trained on the Mathematics syllabus and past papers can quiz you on the most-asked topics and show you exactly what to revise.