NCERT Solutions for Mathematics Number Systems

NCERT 9th class Mathematics book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 9 Mathematics chapter wise NCERT solution for Maths textbook for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

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NCERT Solutions Chapter 01: Number Systems

In your earlier classes, you have learnt about the number line and how to represent various types of numbers on it.
You start from zero and go on walking along this number line in the positive direction. As far as your eyes can see, there are numbers, numbers and numbers!
Now suppose you start walking along the number line, and collecting some of the numbers. Get a bag ready to store them!
You might begin with picking up only natural numbers like 1, 2, 3, and so on. You know that this list goes on for ever. (Why is this true?) So, now your bag contains infinitely many natural numbers! Recall thta we donate this collection by the system N.