#### Chapters

Chapter 2: Linear Equations in One Variable

Chapter 3: Understanding Quadrilaterals

Chapter 4: Practical Geometry

Chapter 5: Data Handling

Chapter 6: Squares and Square Roots

Chapter 7: Cubes and Cube Roots

Chapter 8: Comparing Quantities

Chapter 9: Algebraic Expressions and Identities

Chapter 10: Visualising Solid Shapes

Chapter 11: Mensuration

Chapter 12: Exponents and Powers

Chapter 13: Direct and Inverse Proportions

Chapter 14: Factorisation

Chapter 15: Introduction to Graphs

Chapter 16: Playing with Numbers

#### NCERT Mathematics Class 8

## Chapter 1: Rational Numbers

#### Chapter 1: Rational Numbers Exercise 1.10 solutions [Pages 14 - 15]

Using appropriate properties find.

`-2/3 xx 3/5 + 5/2 - 3/2 xx 1/6`

Using appropriate properties find

`2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5`

Write the additive inverse of: `2/8`

Write the additive inverse of `(-5)/9`

Write the additive inverse of `(-6)/(-5)`

Write the additive inverse of `2/(-9)`

Write the additive inverse of `19/(-6)`

Verify that – (– x) = x for x = `11/15`

Verify that – (– x) = x for x = `-13/17`

Find the multiplicative inverse of -13

Find the multiplicative inverse `(-13)/19`

Find the multiplicative inverse of `1/5`

Find the multiplicative inverse `(-5)/8 xx (-3)/7`

Find the multiplicative inverse of `-1 xx (-2)/5`

Find the multiplicative inverse -1

Name the property under multiplication used in given

`(-4)/5 xx 1 = 1 xx (-4)/5 = -4/5`

Name the property under multiplication used in given

`-13/17 xx (-2)/7 = (-2)/7 xx (-13)/17`

Name the property under multiplication used in given

`-19/29 xx 29/(-19) = 1`

Multiply `6/13` by the reciprocal of `-7/16`

Tell what property allows you to compute `1/3 xx(6xx4/3)` as `(1/3 xx 6) xx 4/3`

Is `8/9` the multiplicative inverse of -1 `1/8`? Why or why not?

Is 0.3 the multiplicative inverse of 3 `1/3` ? Why or why not?

Write: The rational number that does not have a reciprocal

Write : The rational numbers that are equal to their reciprocals.

Write : The rational number that is equal to its negative.

Fill in the blanks

Zero has __________ reciprocal.

Fill in the blanks

The numbers __________ and __________ are their own reciprocals

Fill in the blanks

The reciprocal of − 5 is ______.

Fill in the blanks

Reciprocal of `1/x` where `x != 0` is _______

Fill in the blanks.

The product of two rational numbers is always a ________.

Fill in the blanks

The reciprocal of a positive rational number is ________.

#### Chapter 1: Rational Numbers Exercise 2.10 solutions [Page 20]

Represent these numbers on the number line

`7/4`

Represent these numbers on the number line.

`-5/6`

Represent `(-2)/11, (-5)/11, (-9)/11` on the number line.

Write five rational numbers which are smaller than 2.

Find ten rational numbers between `(-2)/5` and `1/2`

Find five rational numbers between `2/3 " and " 4/5`

Find five rational numbers between `(-3)/2 " and " 5/3`

Find five rational numbers between `1/4 " and " 1/2`

Write five rational numbers greater than − 2

Find ten rational numbers between `3/5 " and " 3/4`

## Chapter 1: Rational Numbers

#### NCERT Mathematics Class 8

#### Textbook solutions for Class 8

## NCERT solutions for Class 8 Mathematics chapter 1 - Rational Numbers

NCERT solutions for Class 8 Maths chapter 1 (Rational Numbers) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Mathematics Textbook for Class 8 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8 Mathematics chapter 1 Rational Numbers are Introduction of Rational Numbers, Closure, Commutativity, The Role of 1, Representation of Rational Numbers on the Number Line, Associativity, The Role of Zero (0), Negative of a Number, Reciprocal, Distributivity of Multiplication Over Addition for Rational, Rational Numbers Between Two Rational Numbers.

Using NCERT Class 8 solutions Rational Numbers exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 8 prefer NCERT Textbook Solutions to score more in exam.

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