This is the Karnataka Board Class 9 Mathematics Part 1 (English medium) textbook for 2026-27, from the Karnataka Textbook Society (KTBS). It has Chapters 1 to 6: Number Systems, Polynomials, Coordinate Geometry, Linear Equations in Two Variables, Introduction to Euclid’s Geometry, Lines and Angles. KTBS follows NCERT Class 9 Mathematics for this subject, so the chapters match that NCERT book. Class 9 follows the same subject pattern as the SSLC year.
Karnataka Board Class 9 Mathematics Part 1 textbooks in English
Download Class 9 Mathematics Part 1 (English medium) PDF (2026-27)
Download link: the Karnataka Textbook Society’s own 2026-27 PDF on textbooks.karnataka.gov.in (5 MB), with the same page numbers as the printed book. All Class 9 books, in all seven mediums, are listed on the KTBS Textbooks PDF page.
Chapters covered in Karnataka Board Class 9 Mathematics Part 1 textbooks in English is provided below:
- Chapter 1. Number Systems
- Chapter 2. Introduction to Euclid’s Geometry
- Chapter 3.Lines and Angles
- Chapter 4. Polynomials
- Chapter 5. Triangles
- Chapter 6.Construction
- Chapter 7. Quadrilaterals
Buy Karnataka Board book for Class 9 Mathematics Part 1 textbooks in English Online
For a printed copy, the Amazon India link below lets you search for the Karnataka Board Class 9 Mathematics Part 1 (English medium) textbook.
Class 9 Mathematics Part 1 (English medium): Other Parts and Mediums
Same book, other part or medium: Part 2 (Urdu), Part 1 (Urdu), Part 2 (Marathi), Part 1 (Marathi), Part 2 (Telugu), Part 1 (Telugu), Part 1 (Tamil), Part 2 (Tamil). All Class 9 KTBS books: KTBS Class 9 Textbooks.