Latest edition of NCERT Class 9 Maths Chapter 1 Number System is available here. Download the full chapter in PDF format along with the accurate NCERT Solutions for the chapter.

NCERT Solutions Class 9 Maths Exercise 1.1, Chapter 1 Number Systems are available free for the students. Download the exercise solutions PDF in an easy way.

NCERT Book for Class 9 Maths: The latest NCERT Class 9 Mathematics Book for the 2025–26 academic session is now available for download in chapter-wise PDF format, in both English and Hindi medium.