Find the best tutors and institutes for Class 9 Tuition

Find Best Class 9 Tuition

Please select a Category.

Please select a Locality.

No matching category found.

No matching Locality found.

Outside India?

NCERT Solutions for Class 9 Maths, Chapter 1 - Number Systems

You have already learned about the number line and representation of various types of numbers in your earlier classes. In this chapter, you’ll study about rational and irrational numbers, descriptively. It gives in-depth exposure to Real Numbers and Their Decimal Expansions, Laws of Exponents for Real Numbers, Operations on Real Numbers and several other topics. Likewise, it talks about the contributions of the Greek mathematician and philosopher- Pythagoras, in irrational numbers; the German mathematicians – R. Dedekind and G. Cantor in the real number line; and the Greek genius – Archimedes for the decimal expansion of π (pi) and so forth.

In NCERT Class 9 Maths Chapter 1 – Number Systems, you’ll discover several points related to number systems. Some of the major points are:

  • A number r is called a rational number if it can be written in the form p/q, where p and q are integers and q ≠ 0.

  • A number s is called an irrational number, if it cannot be written in the form p/q, where p and q are integers and q ≠ 0 etc.

  • This particular chapter carries 8 marks in total in the final exam of class 9.

Let’s take a look at the topics and sub-topics of Class 9

1.1 Introduction

1.2 Irrational Numbers

1.3 Real Numbers and Their Decimal Expansions

1.4 Representing Real Numbers on the Number Line

1.5 Operations on Real Numbers

1.6 Laws of Exponents for Real Numbers

1.7 Summary

 Class 9 Maths Chapter 1 – Number Systems

A large number of examples accompanied by solutions and remarks are provided to deliver the clarity of concepts. Besides, figures and pictorial images are presented throughout the chapter to strengthen your knowledge, especially to help you solve the given exercises with ease.

To know more about the NCERT Solutions Class 9 Maths Chapter 1 – Number Systems, explore the exercises below. You can also download NCERT Class 9 Maths, Chapter 1 PDF below, solved by the expert Maths trainers. The given exercises are solved meticulously by experts, keeping in mind the learning requirements of students. Referring to it will not only accelerate your learning procedure but also manage your time effectively.

How helpful was it?

How can we Improve it?

Please tell us how it changed your life *

Please enter your feedback

Please enter your question below and we will send it to our tutor communities to answer it *

Please enter your question

Please select your tags

Please select a tag

Name *

Enter a valid name.

Email *

Enter a valid email.

Email or Mobile Number: *

Please enter your email or mobile number

Sorry, this phone number is not verified, Please login with your email Id.

Password: *

Please enter your password

By Signing Up, you agree to our Terms of Use & Privacy Policy

Thanks for your feedback

About UrbanPro

UrbanPro.com helps you to connect with the best Class 9 Tuition in India. Post Your Requirement today and get connected.

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 25 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 6.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more