Subject specialists have designed NCERT solutions for Maths Class 8 Chapter 1 which includes thorough solutions for reference. These solutions are updated according to the latest CBSE syllabus for 2012-22 and are provided in easy language for understanding. Tips and tricks are also provided.
These solutions are provided so a student can clear his doubts and get help with deep understanding of the concept. Also you can refer them to make the chapter notes and revisions notes. PDF of this can also be downloaded from website.
NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers Summary
This chapter includes 2 exercises and the NCERT Solutions for Class 8 Maths provided here contains to the point answers for all the questions present in these exercises. The concepts present in the chapter are given below.
- Rational numbers are closed under the operations of addition, subtraction and multiplication.
- The operations addition and multiplication are
- Commutative for rational numbers.
- Associative for rational numbers.
- Rational number 0 is the additive identity for rational numbers.
- Rational number 1 is the multiplicative identity for rational numbers.
- Distributivity of rational numbers: For all rational numbers a, b and c, a(b + c) = ab + ac and a(b – c) = ab – ac
- Rational numbers can be represented on a number line.
- Between any two given rational numbers, there are countless rational numbers. The idea of mean helps us to find rational numbers between two rational numbers.
The main topics covered in this chapter include:
1.1 Introduction
1.2 Properties of Rational Numbers
1.2.1 Closure
1.2.2 Commutativity
1.2.3 Associativity
1.2.4 The role of zero
1.2.5 The role of 1
1.2.6 Negative of a number
1.2.7 Reciprocal
1.2.8 Distributivity of multiplication over addition for rational numbers.
1.3 Representation of Rational Numbers on the Number Line
1.4 Rational Numbers between Two Rational Numbers
Access exercise-wise NCERT Solutions Class 8 Maths of this chapter here:
11 Questions (11 Short Answer Questions)
7 Questions (7 Short Answer Questions)
NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers
Numbers are the most basic block of Mathematics. In middle school, the students may have learned the different types of numbers including natural numbers, whole numbers, integers etc. this chapter deals with another set of numbers, the rational numbers. This chapter includes almost all the concepts that a student of Class 8 has to learn about rational numbers.
This chapter also provide the method of representing a rational number on a number line as well as the method of finding rational numbers between 2 rational numbers. Students must study this chapter to learn more about Rational Numbers and the concepts coming under them. By learning these solution students can easily score good marks in this chapter.
Frequently Asked Questions on NCERT Solutions for Class 8 Maths Chapter 1
What is the meaning of rational numbers according to these NCERT Solutions?
According to these NCERT Solutions, rational numbers can be represented in p/q form where q is not equal to zero. It comes under the type of real number. Any fraction with non-zero denominators is a rational number. Hence, we should say that ‘0’ is also a rational number, as we can represent it in many forms such as 0/1, 0/2, 0/3, etc. But, 1/0, 2/0, 3/0, etc. are not rational, since they give us infinite values.
List out the important concepts discussed in these NCERT Solutions.
Main concepts including in this chapter are listed below:
1.1 Introduction
1.2 Properties of Rational Numbers
1.2.1 Closure
1.2.2 Commutativity
1.2.3 Associativity
1.2.4 The role of zero
1.2.5 The role of 1
1.2.6 Negative of a number
1.2.7 Reciprocal
1.2.8 Distributivity of multiplication over addition for rational numbers.
Is INFINITE LEARN providing Solutions for Class 8 Maths Chapter 1?
Yes, INFINITE LEARN website comes with accurate and detailed solutions for all questions provided in the NCERT Textbook. INFINITE LEARN brings you NCERT Solutions for Class 8 Maths, made by our subject matter experts for smooth and easy understanding of concepts. These solutions comes with detailed step-by-step explanations of problems given in the NCERT Textbook. The NCERT Solutions of this chapter can be downloaded in the form of a PDF and it can be used as a quick revision tool.
