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RS Aggarwal Solutions Class 8 Chapter-1 Rational Numbers (Ex 1B) Exercise 1.2

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Last updated date: 20th Apr 2024
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RS Aggarwal Solutions Class 8 Chapter-1 Rational Numbers

Free PDF download of RS Aggarwal Solutions Class 8 Chapter-1 Rational Numbers (Ex 1B) Exercise 1.2 solved by Expert Mathematics Teachers on Vedantu. All Exercise 1.2 Questions with Solutions for Class 8 RS Aggarwal to help you to revise the complete Syllabus and score more marks. Register for online coaching for IIT JEE (Mains & Advanced) and other engineering entrance exams. 

Vedantu is a platform that provides free NCERT Solution and other study materials for students. Students can register and get access to the best and reliable source of study materials specially made by master teachers at Vedantu. Subjects like Science, Math, English will become easy to study if you have access to NCERT Solution for Class 8 Science, Math solutions, and solutions of other subjects.

You can also download NCERT Solutions for Class 8 Math to help you to revise the complete syllabus and score more marks in your examinations. 

Overview of Class 8 Chapter-1 Rational Numbers (Ex 1B) Exercise 1.2

Class 8 is one of the most important milestones in a student’s life. This class lays the foundation of basic concepts for higher grades. So, a student must learn all the basic concepts of Mathematics properly. Mathematics is one of the most important and scoring subjects in Class 8. But if students fail to understand the concepts, the subject becomes difficult. To have a clear understanding of concepts and for regular practice, students look for references or solution books. RS Aggarwal for Class 8 is one of the best reference books to practice Mathematical questions for Class 8. This textbook is followed across various educational boards in India like CBSE and ICSE. It covers all the concepts of Math in an easily understandable manner that helps students understand the concepts more effectively.


Chapter 1- Rational Numbers

Mathematics is a subject that deals with numbers. In lower classes, we learned about different types of numbers such as natural numbers, whole numbers, integers, etc. 

RS Aggarwal Solutions Chapter 1 of Class 8 Mathematics deals with Rational Numbers. 

A number that can be written in the form of a ratio or fraction (p/q, Where p and q are integers and q is not equal to 0) is called a Rational Number. 

In this chapter, you will learn about the properties of Rational Numbers, closure, commutativity, associativity, the role of zero, the role of 1, negative of a number, reciprocal, representation of Rational Numbers on the number line, and Rational Numbers between two numbers.

This chapter is divided into 9 exercises (Exercise- 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H) with an overall total of 118 questions.

Exercise 1B deals with the concept of representing numbers on the number lines. To learn these concepts in an easy manner with in-depth understanding, Vedantu provides RS Aggarwal Solution for Class 8 Chapter 1- Rational Numbers, (Ex- 1B) Exercise 1.2- PDF for free. 

FAQs on RS Aggarwal Solutions Class 8 Chapter-1 Rational Numbers (Ex 1B) Exercise 1.2

1. Why should you practice with RS Aggarwal Solutions?

Scoring high marks in Mathematics is a difficult task. Most of the students practice only through NCERT books and class notes. Although the NCERT books are perfect for exams, additional practice is always ideal for a subject like Mathematics. NCERT books are limited to only a few questions, Whereas in RS Aggarwal book there are an enormous number of questions to solve and practice. Having Vedantu’s RS Aggarwal Solutions for Class 8 will not only help you when you find yourself stuck on a question but also give you a clear understanding of concepts from basic to advanced levels. This will be really helpful to face questions of higher difficulty levels during exams.

2. What are the important topics covered in RS Aggarwal Solutions of Chapter 1 of Class 8 Math?

The following are important concepts covered under RS Aggarwal, Chapter 1 (Rational Number) of Class 8:

  • Expressing integers as Rational Numbers

  • Properties of Rational Numbers

  • Closure

  • Commutativity

  • Associativity

  • The role of zero

  • The role of 1

  • Negative of a number

  • The inverse of Rational Numbers

  • Representation of Rational Numbers on the number line

  • Rational Numbers between two numbers

  • The order of Rational Numbers

  • Equality of Rational Numbers.

All the concepts in the chapter are explained in detail through the step-by-step solutions by Vedantu.


3. How many chapters are there in RS Aggarwal Class 8 Math Book?

RS Aggarwal Class 8 reference book consists of 25 chapters in total, They are as follows:


Rational Numbers, Exponents, Square and Square Roots, Cube and Cube Roots, Playing with Numbers, Operation on Algebraic Expressions, Factorizations, Linear Equations,  Percentage, Profit and Loss, Compound Interest, Direct and Inverse Proportions, Time and Work, Polygons, Quadrilaterals, Parallelograms, Constructions of Quadrilaterals, Area of Trapezium and Polygons, Three Dimensional Figures, Volume and Surface Area of Solids, Data Handling, Constructing and Interpreting Bar Graphs, Pie Charts, Probability, Graphs.

4. What is a Rational Number and what are its properties?

A number that can be written in the form of a ratio or fraction (p/q, Where p and q are integers and q≠0) is called a Rational Number. It is a collection of Integers, Whole Numbers, and Natural Numbers. There are six properties of Rational Numbers, They are listed below:

  • Additive Property.

  • Multiplicative property.

  • Distributive property.

  • Associative Property.

  • Commutative Property.

  • Closure Property. 

All these properties are based on the four arithmetic operations in Mathematics, they are Addition, Subtraction, Multiplication, and Division.

5. Why should you refer to RS Aggarwal text book’s solutions on Vedantu’s Website?

Vedantu has some of the best Mathematics teachers across the country. RS Aggarwal contains some high difficulty levels of questions as well, which may be hard for a student to understand. To teach the students how to solve the questions, expert teachers are mandatory. The teachers at Vedantu are directly involved with students in grooming their minds and offer whatever guidance, tips, and tricks students need to get good marks in the subject. Our subject matter experts help students to learn how to write answers that will fetch them more marks.