Number Systems - NCERT Class 9 Maths

The chapter 1 starts with an introduction to the number system using some examples (using number lines), followed by exercise problems. Next, the chapter deals with a detailed explanation of irrational numbers followed by coverage of real numbers and their decimal expansion. Later, the chapter explains in detail about the representation of numbers on a number line, followed by operations on real numbers. The solutions to the exercise problems are provided by us and are downloadable in the PDF format.

Exercise 1.1

Exercise 1.2

Exercise 1.3

Exercise 1.4

Exercise 1.5

Exercise 1.6