Updated 6 August 2026·26 chapters

NIOS Class 10 Maths — Syllabus 2026-27

NIOS Class 10 Maths syllabus for 2026-27: all 26 chapters, with the topics in each. Follows the NIOS syllabus.

About this syllabus

The NIOS Class 10 Maths course for 2026-27 has 26 chapters. Chapters with a topic breakdown link to their own syllabus page.

NIOS Class 10 Maths — Chapter List

#	Chapter	Topics
1	Number System	Natural Numbers, Whole Numbers, and Integers · Rational Numbers and Standard Form · Arithmetic Operations on Rational Numbers
2	Exponents And Radicals	Exponential Notation and Basic Terms · Laws of Exponents · Rational Exponents and Prime Factorisation
3	Algebraic Expressions And Polynomials	Basic Algebraic Ideas · Algebraic Expressions and Polynomials · Like Terms, Unlike Terms, and Degree
4	Special Products And Factorization	Special Products · Factorization of Polynomials · HCF and LCM of Polynomials
5	Linear Equations	Linear Equations in One Variable · Linear Equations in Two Variables · Graphs of Linear Equations in Two Variables
6	Quadratic Equations	What is a Quadratic Equation? · Standard Form and Rewriting Equations · Roots or Solutions
7	Arithmetic Progressions	Identifying an Arithmetic Progression · General Term of an AP · Finding Unknown Terms, a, or d
8	Percentage And Its Applications	Percent and Conversions · Percentage of a Quantity · Profit and Loss
9	Instalment Buying	Core ideas and definitions · Simple interest method for monthly instalments · Compound interest method for instalment buying
10	Lines And Angles	Basic Geometric Ideas · Angles and Their Types · Pairs of Angles
11	Congruence Of Triangles	Concept of Congruence · Congruence of Triangles and Notation · Criteria for Triangle Congruence
12	Concurrent Lines	Basic idea of concurrency · Angle bisectors and the incentre · Perpendicular bisectors and the circumcentre
13	Quadrilaterals	Quadrilateral and Angle Properties · Types of Quadrilaterals · Properties of Parallelogram, Rhombus, Rectangle, and Square
14	Similarity Of Triangles	Similar Plane Figures and Similar Objects · Basic Proportionality Theorem and Its Converse · Angle Bisector Theorem
15	Circles	Circle and Related Terms · Arcs, Semicircle, and Angle Measure · Concentric Circles and Congruent Circles
16	Angles In A Circle And Cyclic Quadrilateral	Angles in a Circle · Concyclic Points and Cyclic Quadrilateral
17	Secants, Tangents And Their Properties	Basic Ideas: Secant, Tangent, and Point of Contact · Tangent-Radius Property and Tangents from an External Point · Intersecting Chords and Secant-Tangent Relations
18	Constructions	Division of a Line Segment in a Given Ratio · Construction of Triangles · Similar Triangles by Scale Factor
19	Co-Ordinate Geometry	Co-ordinate System and Basic Terms · Quadrants and Sign Conventions · Distance Formula and Distance from Origin
20	Perimeters And Areas Of Plane Figures	Core Formula Set for Plane Figures · Heron's Formula and Triangle Problems · Rectangular Paths, Cross Paths, and Composite Rectilinear Figures
21	Surface Areas And Volumes Of Solid Figures	Core Ideas and Units · Cylinder · Cone
22	Introduction To Trigonometry	Trigonometric Ratios in a Right Triangle · Finding Ratios from Given Sides · Relations Among Trigonometric Ratios and Standard Values
23	Trigonometric Ratios Of Some Special Angles	Right-Triangle Trigonometric Ratios · Values of 45°, 30°, and 60° · How the special-angle values are obtained
24	Data And Their Representations	Statistics and Data Collection · Raw Data, Arrayed Data and Frequency Tables · Class Limits, True Class Limits and Class Mark
25	Measures Of Central Tendency	Core Ideas and Definitions · Mean of Raw Data and Ungrouped Data · Mean of Grouped Data
26	Introduction To Probability	Basic Ideas in Probability · Event, Elementary Event, and Probability Formula · Sure Events, Impossible Events, and Complementary Events

Preparation Strategy

Finish the textbook first — the prescribed textbook is the main source for school and board exams.
Keep a formula and definitions list — it makes last-week revision much faster.
Practise past papers — they show you the pattern questions follow.
Time your practice — attempt some papers under exam conditions.

Get chapter-wise help for NIOS Class 10 Maths

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Frequently Asked Questions

Where can I find NIOS Class 10 Maths Syllabus?

This page has syllabus for 26 chapters of NIOS Class 10 Maths for the board exams 2027. Each chapter links to its own page with the full set.

How should I prepare for NIOS Class 10 Maths board exams?

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Has the NIOS Class 10 Maths syllabus changed for 2026-27?

This page lists the chapters in the current NIOS Class 10 Maths course. Boards revise syllabi from time to time, so check the board's official website for the latest notified syllabus.

More Maths Resources

NIOS Class 10

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Formula Sheet

The formulas of each chapter in one place

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Other NIOS Class 10 Subjects

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