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NCERT Solutions for 7th Class Maths: Chapter 9-Rational Numbers

Class 7: Maths Chapter 9 solutions. Complete Class 7 Maths Chapter 9 Notes. NCERT Solutions for 7th Class Maths: Chapter 9-Rational Numbers NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9...

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Class 7: Maths Chapter 9 solutions. Complete Class 7 Maths Chapter 9 Notes.

NCERT Solutions for 7th Class Maths: Chapter 9-Rational Numbers

NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9 solutions

Exercise 9.1

1. List five rational numbers between:

(i) -1 and 0

(ii) -2 and - 1

(iii) -4/5 and -2/3

(iv) -1/2 and 2/3

Answer

(i) -1 and 0

Let us write -1 and 0 as rational numbers with denominator 6.

Therefore, five rational numbers between -1 and 0 would be

(ii) -2 and -1

Let us write -2 and -1 as rational numbers with denominator 6.

Therefore, Five rational numbers between -2 and -1 would be

(iii) -4/5 and -2/3

Let us write -4/5 and -2/3 as rational numbers with the same denominators.

Therefore, five rational numbers between -4/5 and -2/3 would be

(iv) -1/2 and 2/3

Let us write -1/2 and 2/3 as rational numbers with the same denominators.

Therefore, five rational numbers between -1/2 and 2/3 would be

2. Write four more rational numbers in each of the following patterns:

Answer

Therefore, four equivalent rational numbers are

(ii) 

Therefore, the next four rational numbers of this pattern would be

(iii) 

Therefore, the next four rational numbers of this pattern would be

(iv) 

Therefore, the next four rational numbers of tins pattern would be

3. Give four rational numbers equivalent to:

(i) -2/7

(ii) 5/-3

(iii) 4/9

(iv) -2/7

Answer

(i)

Therefore, four equivalent rational numbers are

(ii) 5/-3

Therefore, four equivalent rational numbers are

(iii) 4/9

Therefore, four equivalent rational numbers are

4. Draw the number line and represent the following rational numbers on it: 

(i) 3/4

(ii) -5/8

(iii) -7/4

(iv) 7/8

Answer

(i) 3/4

(ii) -5/8

(iii)  -7/4

(iv) 7/8

5. The points P, Q, R, S, T, U, A and B on the number line are such that, TR = RS = SU and AP = PQ = QB. Name the rational numbers represented by P, Q, R and S.

Answer

Therefore, 

Similarly 

Thus, the rational numbers represented P, Q, R and S are respectively.

6. Which of the following pairs represent the same rational numbers:

Answer

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

7. Rewrite the following rational numbers in the simplest form:

(i) -8/6

(ii) 25/45

(iii) -44/72

(iv) -8/10

Answer

NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9 solutions

8. Fill in the boxes with the correct symbol out of <, > and =:

Answer

9. Which is greater in each of the following: 

Answer

NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9 solutions

10. Write the following rational numbers in ascending order: 

Answer

NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9 solutions

Exercise 9.2

1. Find the sum:

Answer

NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9 solutions

2. Find:

Answer

3. Find the product:

Answer

4. Find the value of: 

Answer

NCERT 7th Maths Chapter 9, class 7 Maths Chapter 9 solutions

NCERT Solutions for 7th Class Maths: Chapter 9: Download PDF

NCERT Solutions for 7th Class Maths: Chapter 9-Rational Numbers

Download PDF: NCERT Solutions for 7th Class Maths: Chapter 9-Rational Numbers PDF

Chapter-wise NCERT Solutions Class 7 Maths

Chapter 1 Integers
Chapter 2 Fractions and Decimals
Chapter 3 Data Handling
Chapter 4 Simple Equations
Chapter 5 Lines and Angles
Chapter 6 The Triangle and its Properties
Chapter 7 Congruence of Triangles
Chapter 8 Comparing Quantities
Chapter 9 Rational Numbers
Chapter 10 Practical Geometry
Chapter 11 Perimeter and Area
Chapter 12 Algebraic Expressions
Chapter 13 Exponents and Powers
Chapter 14 Symmetry
Chapter 15 Visualising Solid Shapes


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