Question 1:

Write the fraction representing the shaded portion:

(i) Figure

(II) Figure

(iii) Figure

(iv) Figure

(V) Figure

(vi) Figure

ANSWER:

(i) The shaded portion is 3 parts of the WHOLE figure

    ∴  

3

4

(ii) The shaded portion is 1 parts of the whole figure

    ∴  

1

4

(iii) The shaded portion is 2 parts of the whole figure.

    ∴  

2

3

(iv) The shaded portion is 3 parts of the whole figure.

    ∴

3

10

(v)The shaded portion is 4 parts of the whole figure.

    ∴

4

9

(vi) The shaded portion is 3 parts of the whole figure.

    ∴  

3

8

Page No 82:

Question 2:

Shade  

4

9

of the given figure.

Figure

ANSWER:

Page No 82:

Question 3:

In the given figure, if we say that the shaded region is  

1

4

, then identify the error in it.

Figure

ANSWER:

The given rectangle is not divided into FOUR equal parts.

Thus, the shaded region is not equal to  

1

4

of the whole.

Page No 82:

Question 4:

Write a fraction for each of the following:

(i) three-fourths

(ii) four-sevenths

(iii) two-fifths

(iv) three-tenths

(v) one-eighth

(vi) five-sixths

(vii) eight-ninths

(viii) seven-twelfths

ANSWER:

(i)  

3

4

       (ii)  

4

7

            (iii)  

2

5

          (iv)  

3

10

          (v)  

1

8

(vi)  

5

6

            (vii)

8

9

             (viii)  

7

12

Page No 83:

Question 5:

Write down the numerator and the denominator of each of the fractions given below:

(i)  

4

9

(ii)  

6

11

(iii)  

8

15

(iv)  

12

17

(v)  

5

1

ANSWER:

    Numerator        Denominator

(i) 4                         9

(ii) 6                       11

(iii) 8                      15

(iv) 12                     17

(v) 5                        1

Page No 83:

Question 6:

Write down the fraction in which

(i) numerator = 3, denominator = 8

(ii) numerator = 5, denominator = 12

(iii) numerator = 7, denominator = 16

(iv) numerator = 8, denominator = 15

ANSWER:

(i)

3

8

       (ii)  

5

12

         (iii)

7

16

            (iv)  

8

1