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Updated for the official 2026–27 curriculum

CBSE Class 10 Maths chapters, weightage, and one problem to try from each.

Use this as a practical syllabus map: see where the 80 theory marks sit, open any chapter guide, or try a complete problem that explains each decision as you make it.

Seven official units

Unit-wise theory marks for 2026–27

Algebra carries the largest unit allocation, but the full paper draws from all seven units. Treat these numbers as a revision-time guide, not permission to skip a chapter.

Unit I

Number Systems

Real Numbers

6marks
Unit II

Algebra

Polynomials · Pair of Linear Equations · Quadratic Equations · Arithmetic Progressions

20marks
Unit III

Coordinate Geometry

Coordinate Geometry

6marks
Unit IV

Geometry

Triangles · Circles

15marks
Unit V

Trigonometry

Introduction to Trigonometry · Applications of Trigonometry

12marks
Unit VI

Mensuration

Areas Related to Circles · Surface Areas and Volumes

10marks
Unit VII

Statistics and Probability

Statistics · Probability

11marks

Source: CBSE Mathematics Standard (041) and Mathematics Basic (241) Class X curriculum, academic year 2026–27.

Mathematics Standard (041)

The paper expects more than remembering formulas.

In the official question-paper design, 37 of 80 marks are assigned to applying, analysing, evaluating, or creating. That is why the free problems below ask students to choose and explain the next move.

Remembering + understanding43 marks
Applying19 marks
Analysing + evaluating + creating18 marks

All 14 chapters

Read the chapter guide or learn by solving one problem

Every practice link opens directly. Students do not have to visit a landing page or create an account first.

Chapter 1

Real Numbers

Free try-out

Build number sense for Euclid division lemma, HCF, LCM, prime factorisation, irrationality proofs, and decimal expansion questions.

Chapter 2

Polynomials

Free try-out

Master zeros, coefficients, factorisation, and the relationship between roots and polynomial graphs.

Chapter 3

Pair of Linear Equations in Two Variables

Free try-out

Learn graphical meaning, substitution, elimination, cross multiplication, consistency, and real-life equation modelling.

Chapter 4

Quadratic Equations

Free try-out

Develop a complete understanding of quadratic equations, roots, factorisation, completing the square, formula use, discriminant, and application problems.

Chapter 5

Arithmetic Progressions

Free try-out

Understand AP patterns, nth term, sum of terms, and board-style word problems involving repeated growth or fixed differences.

Chapter 6

Triangles

Free try-out

Learn similarity, proportionality, Pythagoras theorem, and proof-based triangle reasoning with visual models.

Chapter 7

Coordinate Geometry

Free try-out

Practise distance formula, section formula, midpoint ideas, and area of triangles on the coordinate plane.

Chapter 8

Introduction to Trigonometry

Free try-out

Build trigonometric ratio intuition, standard values, identities, and simplification skills.

Chapter 9

Some Applications of Trigonometry

Free try-out

Learn heights and distances problems using angle of elevation, angle of depression, and right-triangle modelling.

Chapter 11

Areas Related to Circles

Free try-out

Practise sector, segment, ring, and combined area questions with visual breakdowns.

Chapter 12

Surface Areas and Volumes

Free try-out

Master solids, conversions, combinations of solids, frustums, and practical volume questions.

Chapter 14

Probability

Free try-out

Build probability intuition for equally likely outcomes, dice, coins, cards, tables, and area-based probability.

Official resources

Keep the source documents beside the practice.

The linked sample paper is the latest official Class X Mathematics Standard paper currently published in CBSE’s sample-paper section. It is labelled 2025–26; this page does not relabel it as a 2026–27 paper.

Quick answers

Is this page based on the CBSE 2026–27 Class 10 Maths curriculum?

Yes. The unit names and theory marks shown here come from the official CBSE Class X Mathematics curriculum for 2026–27. Each chapter link opens an explanatory guide, and each Try one problem link opens a free guided problem without sign-up.

How many marks is the CBSE Class 10 Maths theory paper?

The official 2026–27 curriculum specifies an 80-mark, three-hour theory paper and 20 marks of internal assessment.

Should a student only practise high-weightage units?

No. Unit weightage is useful for planning time, but it is not a safe chapter-skipping list. Build dependable basics across all seven units, then spend extra practice time on Algebra, Geometry, and Trigonometry.