📐 Mathematics · 2026–27

Mathematics

All 15 chapters of the new NCERT Class 9 syllabus, grouped into the six official CBSE units. Each chapter has illustrated concepts, worked examples and 50 CBSE-pattern practice questions.

15

Chapters

6

CBSE Units

80

Theory Marks

750+

Practice Qs

Course structure

Chapters by unit

I

Unit I — Number Systems

7 Marks

Rational & irrational numbers, √2 spiral, decimal expansions

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II

Unit II — Algebra

20 Marks

Introduction to Polynomials

Degree, terms, linear patterns, slope & y-intercept

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Sequences & Progressions

AP & GP — nth term, sum, fractals, Tower of Hanoi

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Algebraic Identities

Identities, factorisation, algebra tiles

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Linear Equations in Two Variables

Graphical & algebraic solutions, substitution, elimination

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III

Unit III — Coordinate Geometry

4 Marks

Coordinate Geometry

Cartesian plane, distance & midpoint formulae

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IV

Unit IV — Geometry

25 Marks

Euclid's Geometry

Axioms, postulates, Sulbasutras

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Pairs of angles, parallel-line theorems

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Triangles: Congruence

SAS, SSS, ASA, RHS, AAS; isosceles properties

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Quadrilaterals (4-gons)

Parallelogram properties, midpoint theorem

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Chords, angles subtended, cyclic points

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V

Unit V — Mensuration

14 Marks

Mensuration: Area & Perimeter

Heron's formula, area of circle & sectors

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Surface Area & Volume

Spheres, hemispheres, right circular cones

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VI

Unit VI — Statistics & Probability

10 Marks

Bar graphs, histograms, mean, median, mode

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Introduction to Probability

Empirical & theoretical probability, tree diagrams

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Test yourself

🧠 Interactive MCQ Quiz

375 questions across all 15 chapters with a timer, live scoring and instant feedback. Start the quiz →