NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers have been provided below and is also available in Pdf for free download. The NCERT solutions for Class 8 Mathematics have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Class 8 by CBSE, NCERT and KVS. Questions given in NCERT book for Class 8 Mathematics are an important part of exams for Class 8 Mathematics and if answered properly can help you to get higher marks. Refer to more Chapter-wise answers for NCERT Class 8 Mathematics and also download more latest study material for all subjects. Chapter 1 Rational Numbers is an important topic in Class 8, please refer to answers provided below to help you score better in exams
Chapter 1 Rational Numbers Class 8 Mathematics NCERT Solutions
Class 8 Mathematics students should refer to the following NCERT questions with answers for Chapter 1 Rational Numbers in Class 8. These NCERT Solutions with answers for Class 8 Mathematics will come in exams and help you to score good marks
Chapter 1 Rational Numbers NCERT Solutions Class 8 Mathematics
Q.2) Write the additive inverse of each of the following:
i) 2/8
ii) − 5/9
iii) −6/−5
iv) 2/−9
v) 19/−6
Sol.2) (i) 2/8 ,
Here, −2/8 is the additive inverse of 2/8 because − 2/8 + 2/8 = 0
(ii) − 5/9,
Here, 5/9 is the additive inverse of − 5/9 because − 5/9 + 5/9 = 0
Q.10) Write:
(i) The rational number that does not have a reciprocal.
(ii) The rational numbers that are equal to their reciprocals.
(iii) The rational number that is equal to its negative.
Sol.10) (i) 0 is the rational number that does not have a reciprocal.
(ii) 1 and -1 are the rational numbers that are equal to their reciprocals.
(iii) 0 is the rational number that is equal to its negative.
Q.11) Fill in the blanks:
(i) Zero has _______________ reciprocal.
(ii) The numbers _______________ and _______________ are their own reciprocals.
(iii) The reciprocal of -5 is _______________.
(iv) Reciprocal of 1/𝑥 where 𝑥 ≠ 0 is _______________.
(v) The product of two rational numbers is always a _______________.
(vi) The reciprocal of a positive rational number is _______________
Sol.11) (i) Zero has no reciprocal.
(ii) The numbers 1 and -1 are their own reciprocals
(iii) The reciprocal of -5 is − (1/5).
(iv) Reciprocal of 1/𝑥, where 𝑥 ≠ 0 is 𝑥.
(v) The product of two rational numbers is always a rational number.
(vi) The reciprocal of a positive rational number is positive rational numbers.
Exercise 1.2
Q.1) Represent these numbers on the number line:
i) 7/4
ii) −5/6
Sol.1) (i) 7/4 on the number line. Divide line between two natural number in 4 parts. Thus, the rational number 7/4 lies at a distance of 7 points from 0 towards positive number line.
(ii) -5/6 on the number line. Divide line between two natural number in 6 parts. Thus, the rational number -5/6 lies at a distance of 5 points from 0 towards negative number line.
Q.2) Represent −2/11, −5/11, −9/11 on the number line.
Sol.2) 2/11, -5/11, -9/11 on the number line.
Divide line between two natural number in 11 parts. Thus, the rational number -2/11, - 5/11, -9/11 lie at a distance of 2, 5, 9 points from 0 towards negative number line respectively.
Q.3) Write 5 rational numbers which are smaller than 2.
Sol.3) 2 can be written as 10/5.
Thus, 5 natural numbers smaller than 2 are:
9/5, 8/5, 7/5, 6/5 and 5/5 .
Q.4) Find ten rational numbers between −2/5 and 1/2.
Sol.4) Given, rational numbers −2/5 and 1/2.
Here, L.C.M. of 5 and 2 is 10.
| NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers |
| NCERT Solutions Class 8 Mathematics Chapter 2 Linear Equations In One Variable |
| NCERT Solutions Class 8 Mathematics Chapter 3 Understanding Quadrilaterals |
| NCERT Solutions Class 8 Mathematics Chapter 4 Practical Geometry |
| NCERT Solutions Class 8 Mathematics Chapter 5 Data Handling |
| NCERT Solutions Class 8 Mathematics Chapter 6 Squares And Square Roots |
| NCERT Solutions Class 8 Mathematics Chapter 7 Cube and Cube Roots |
| NCERT Solutions Class 8 Mathematics Chapter 8 Comparing Quantities |
| NCERT Solutions Class 8 Mathematics Chapter 9 Algebraic expressions and identities |
| NCERT Solutions Class 8 Mathematics Chapter 10 Visualising Solid Shapes |
| NCERT Solutions Class 8 Mathematics Chapter 11 Mensuration |
| NCERT Solutions Class 8 Mathematics Chapter 12 Exponents And Powers |
| NCERT Solutions Class 8 Mathematics Chapter 13 Direct and Inverse Proportions |
| NCERT Solutions Class 8 Mathematics Chapter 14 Factorisation |
| NCERT Solutions Class 8 Mathematics Chapter 15 Introduction To Graphs |
| NCERT Solutions Class 8 Mathematics Chapter 16 Playing with Numbers |
NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers
NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers is available on our website www.studiestoday.com for free download in Pdf. You can read the solutions to all questions given in your Class 8 Mathematics textbook online or you can easily download them in pdf.
Chapter 1 Rational Numbers Class 8 Mathematics NCERT Solutions
The Class 8 Mathematics NCERT Solutions Chapter 1 Rational Numbers are designed in a way that will help to improve the overall understanding of students. The answers to each question in Chapter 1 Rational Numbers of Mathematics Class 8 has been designed based on the latest syllabus released for the current year. We have also provided detailed explanations for all difficult topics in Chapter 1 Rational Numbers Class 8 chapter of Mathematics so that it can be easier for students to understand all answers.
NCERT Solutions Chapter 1 Rational Numbers Class 8 Mathematics
Class 8 Mathematics NCERT Solutions Chapter 1 Rational Numbers is a really good source using which the students can get more marks in exams. The same questions will be coming in your Class 8 Mathematics exam. Learn the Chapter 1 Rational Numbers questions and answers daily to get a higher score. Chapter 1 Rational Numbers of your Mathematics textbook has a lot of questions at the end of chapter to test the students understanding of the concepts taught in the chapter. Students have to solve the questions and refer to the step-by-step solutions provided by Mathematics teachers on studiestoday to get better problem-solving skills.
Chapter 1 Rational Numbers Class 8 NCERT Solution Mathematics
These solutions of Chapter 1 Rational Numbers NCERT Questions given in your textbook for Class 8 Mathematics have been designed to help students understand the difficult topics of Mathematics in an easy manner. These will also help to build a strong foundation in the Mathematics. There is a combination of theoretical and practical questions relating to all chapters in Mathematics to check the overall learning of the students of Class 8.
Class 8 NCERT Solution Mathematics Chapter 1 Rational Numbers
NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers detailed answers are given with the objective of helping students compare their answers with the example. NCERT solutions for Class 8 Mathematics provide a strong foundation for every chapter. They ensure a smooth and easy knowledge of Revision notes for Class 8 Mathematics. As suggested by the HRD ministry, they will perform a major role in JEE. Students can easily download these solutions and use them to prepare for upcoming exams and also go through the Question Papers for Class 8 Mathematics to clarify all doubts
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