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  • Last Modified 18-03-2024

NCERT Solutions for Class 9 Maths Chapter 1 Number Systems


NCERT Solutions for Class 9 Maths Chapter 1 Number Systems: NCERT Solutions for Class 9 maths chapter 1 number systems begin with an introduction to the number system and the various types of numbers within it. Embibe’s expert professors have created Class 9 Maths chapter 1 NCERT solutions. These NCERT Class 9 Maths chapter 1 solutions assist students in dealing with challenges in their final exam preparation. These solutions also simplify problems so that students can understand them.

Number Systems discusses the Origin and History of Numbers, Integers, Rational Numbers, Non-Terminating, Non-Recurring Decimals, Irrational Number Properties, and many other topics. Embibe provides over 470+ practice questions for all of the subtopics covered in Chapter 1. Students must practice all of Embibe’s practice questions without fail. They can also attempt unlimited mock tests and go through the explainer videos for better understanding. Scroll down to learn more.

NCERT Solutions for Class 9 Maths Chapter 1: Important Topics

This exercise is easy to understand, and students can build fundamentals that will benefit them in the long run for entrance exams. Students will get exposed to a wide variety of problems that will help them in developing problem-solving skills. Students are advised to go through the chapter’s video lessons before moving on to problem-solving.

At Embibe, students can find the solutions to every question of this exercise. All the solutions are offered for, and students can also access NCERT 3D Videos, NCERT Exemplars, Embibe Explainers, practice questions, mock tests and so on for.

We have provided the list of topics included in this exercise below:

Sr. No.Topic Name
1Basic Number Systems
2Irrational Numbers
3Real Numbers and Their Decimal Expansions
4Representing Real Numbers on the Number Line
5Operations on Real Numbers
6Exponents and Surds

NCERT Solutions for Class 9 Maths Chapter 1: Points To Remember

Some of the important points related to Number Systems have been mentioned below for quick reference of students.

  • Natural Numbers: These are the counting numbers (1, 2, 3,1, 2, 3, etc.).
  • Whole Numbers: The set of numbers that includes all natural numbers and the number zero are called whole numbers.
  • Prime Numbers: A natural number larger than 11 is a prime number if it does not have other divisors except for itself and 11. (The lowest prime number is 22. 22 is also the only even prime number. The lowest odd prime number is 33.)
  • Composite Numbers: It is a natural number that has at least one divisor different from unity and itself.
  • Odd Numbers: An integer that is not an even number is an odd number.
  • Divisibility Tests:
    (i) Divisibility by 22 or 55: A number is divisible by 22 or 55 if the last digit is divisible by 22 or 55.
    (ii) Divisibility by 33 (or 99): All such numbers, the sum of whose digits are divisible by 33 (or 99), are divisible by 33 (or 99).
    (iii) Divisibility by 44: A number is divisible by 44 if the last 22 digits are divisible by 44.
    (iv) Divisibility by 66: A number is divisible by 66 if it is simultaneously divisible by 22 and 33.
    (v) Divisibility by 88: A number is divisible by 88 if the last 33 digits of the number are divisible by 88.

NCERT Solutions for Class 9 Maths: All Chapters

The detailed NCERT Class 9 Maths solutions are provided below for:

Attempt NCERT Class 9 Maths Mock Test

Students should take mock tests for NCERT Class 9 Maths subjects. It will help them prepare for the exam better. Click on the links below to access NCERT Class 9 Maths mock tests on Embibe:

Sr. No.Attempt NCERT Class 9 Maths Mock Test
1NCERT Class 9 Maths Mock Test 1
2NCERT Class 9 Maths Mock Test 2

FAQs on NCERT Solutions for Class 9 Maths Chapter 1

Some of the frequently asked questions on the NCERT Solutions for 9th Maths Chapter 1 are as follows:

Q: Why should I choose Class 9 Maths chapter 1 NCERT solutions from Embibe?

Ans: The concepts are explained in simple language in the NCERT solutions for Class 9 chapter 1 Maths by Embibe. The NCERT solutions are prepared by a team of experts at Embibe to help students enhance their exam preparation.

Q: What will I learn in Class 9 NCERT Maths chapter 1?

Ans: Students will learn that a number system is called a rational number if it can be written as p/q, the decimal expansion of a rational and irrational number, and what is a real number and so on.

Q: How many exercises are covered in chapter 1 CBSE Class 9 Maths ?

Ans: The exercises covered in NCERT chapter 1 of Class 9 Maths are as follows:
 1) Exercise 1.1: 4 Questions (4 short answers)
 2) Exercise 1.2: 4 Questions (4 short answers)
 3) Exercise 1.3: 9 Questions (8 short answers, 1 long answer)
 4) Exercise 1.4: 2 Questions (2 long answers)
 5) Exercise 1.5: 5 Questions (4 short answers, 1 long answer)
 6) Exercise 1.6: 3 Questions (3 short answers).

Q: Are the Class 9 NCERT Maths solutions chapter 1 easy to understand on Embibe?

Ans: The NCERT solutions by Embibe will help students understand the chapter better. The NCERT solutions for chapter 1 of Class 9 Maths have been explained in a step-by-step and detailed manner through videos so that any student can understand them.

Q: Why should I get the Number System Class 9 NCERT Solutions from Embibe?

Ans: Students can get the NCERT Solutions for Class 9 Maths Chapter 1 for from Embibe, and in return, they get tricks, tips, and notes that they can revise at the last minute before the exam. This will help the students to score well.

We hope you liked this detailed article on NCERT Solutions for 9th Maths Chapter 1. For more, stay tuned to Embibe.

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