NCERT Mathematics Book Class 9 PDF 2026-27

Browse NCERT Class 9 Mathematics resources for academic session 2026-27. Current chapters are shown first; previous or removed chapters remain separately available where preserved.

Current NCERT Chapters 2026-27

Current NCERT chapter PDFs for academic session 2026-27.

Chapter 1: Number System Current · Renamed
Chapter 2: Introduction to Polynomials Current · Renamed
Chapter 3: Sequences and Progressions Current
Chapter 4: Exploring Algebraic Identities Current
Chapter 5: Linear Equations in Two Variables Current
Chapter 6: Coordinate Geometry Current
Chapter 7: Introduction to Euclid’s Geometry Current
Chapter 8: Lines and Angles Current
Chapter 9: Triangles – Congruence Theorems Current · Renamed
Chapter 10: 4-gons (Quadrilaterals) Current · Renamed
Chapter 11: Circles Current
Chapter 12: Area and Perimeter Current · Renamed
Chapter 13: Surface Area and Volume Current · Renamed
Chapter 14: Statistics Current
Chapter 15: Introduction to Probability Current · Renamed

Previous / Removed NCERT Chapters

These chapters belong to previous NCERT editions. Their PDFs remain available for students using older books and for historical reference.

Removed in 2026-27

Legacy Chapter 9: Areas of Parallelograms and Triangles Old syllabus
Legacy Chapter 11: Constructions Old syllabus

Class 9 Mathematics NCERT Chapters - 2026-27

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