 # NCERT Solutions for Class 9 Maths Chapter 1 Free PDF Download ## NCERT Solutions for Class 9 Maths Chapter 1 Number System

Learning of fundamentals in maths is always essential. NCERT Solutions for Class 9 Maths Chapter 1 will strengthen the student’s fundamental concept regarding numbers and number systems. It will help students to score better marks in exams. Our expert teachers of maths are constantly working hard for the subject to give the best NCERT Solutions for Class 9 Maths Chapter 1 Number System.

NCERT Solutions give a self-explanatory solution for every question of the chapter and will also help students to complete their homework without any external help.

### CBSE Class 9 Maths Chapter 1 Number System

NCERT Solutions for Class 9 Maths Chapter 1 Number System help students to understand numbers and integers with their various operations in a self-explanatory format. Information collected in our day to day life contains numbers. The different types of problems and examples will help to get strong concepts of the number system.

### Sub-topics covered under NCERT Solutions for Class 9 Maths Chapter 1

• 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 and
• 1.7: Summary

### NCERT Solutions for Class 9 Maths Chapter 1

NCERT Solutions for Class 9 Maths Chapter 1 Number System help students to understand this fundamental chapter of Mathematics. This will create a strong basic understanding of numbers and their properties. Number System is useful in our day to day life also for performing various operations related to numbers. The different types of numbers like real numbers, rational numbers, and irrational numbers will give a strong understanding to the students.

Let us discuss the sub-topics in detail.

1.1: Introduction

This chapter is about the numbers and their world. It discusses the properties of numbers and various types of numbers existing in maths. Rational numbers are the numbers in the form fractions are repeated decimal.

1.2: Irrational Numbers

These are the numbers that are not expressible in the form of a fraction. Also, it covers the numbers with unpredictable digits after decimals. Many values containing pie are also irrational numbers. The student will learn the methods to represent these numbers on the number line using a compass.

1.3: Real Numbers and their Decimal Expansions

This section explains about the representation of real numbers in decimal expansions format. It covers the numbers giving zero as well as non-zero remainders. Such expansions may be either termination or non-terminating.

1.4: Representing Real Numbers on the Number Line

The student will know that each and every real number is expressible on the number line. It shows their existence is real.

1.5: Operations on Real Numbers

The student will about various operations on the numbers. They will also come to know about possible and not possible operations over rational numbers.

1.6: Laws of Exponents for Real Numbers

This is an interesting topic. It explains about exponents operated over real numbers. Also, the various formula will help students to perform the operations.

1.7: Summary

It is very clear that knowing about numbers and their properties is very essential. This chapter is doing that important task effectively. The student will get a lot from this chapter. ### Download Toppr – Best Learning App for Class 5 to 12

We provide NCERT Solutions that give step by step solution for all numerical and conceptual problems. These solutions will help students to frame a better understanding of all the topics. We also provide free pdf downloads, free online classes, free video lectures, and free doubt clearing sessions. Our Maths teachers are highly capable and experienced. We are just a click away. Download Toppr for Android and iOS or signup for free.

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