# Number Systems - NCERT Class 9 Maths

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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

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