The latest NCERT Class 9 Mathematics Book for the 2025–26 academic session is now available for download in chapter-wise PDF ...

In this article, we are providing the NCERT solutions to Class 9 Maths Chapter 1 - Number System. All these solutions are available in PDF format which you may access totally free of cost.

Number System chapter of Class 9 Maths NCERT Book can be downloaded in PDF format from here. We have provided here the latest edition of the chapter along with precise NCERT Solutions.

Class 9 NCERT Solutions can be used for self-assessment purposes. Students can cross-check their answers provided in the solutions and can identify their strong and weak areas.