EduSahara™ Worksheet

EduSahara™ Assignment

Name : Operations on Rational Numbers

Chapter : Rational Numbers

Grade : SSC Grade VIII

License : Non Commercial Use

Question 1

1.

Find the missing value in
10
20
+
______ =
27
22

(i)

10
11
(ii)

6
11
(iii)

8
13
(iv)

8
11
(v)

8
9

Question 2

2.

Find the missing value in
8
9
−
______ =
100
153

(i)

2
17
(ii)

4
17
(iii)

6
17
(iv)

4
19
(v)

4
15

Question 3

3.

Find the missing value in
4
18
✕
______ =
1
9

(i)

1
4
(ii)

2
3
(iii)

1
2
(iv)

2
5
(v)

3
4

Question 4

4.

Find the missing value in
1
5
÷
______ =
1
3

(i)

1
(ii)

3
5
(iii)

3
7
(iv)

1
5

Question 5

5.

Find the missing value in
8
5
+
______ =
104
15

(i)

16
3
(ii)

16
5
(iii)

14
3
(iv)

6
(v)

16

Question 6

6.

Find the missing value in
15
7
−
______ =
26
35

(i)

7
3
(ii)

1
(iii)

7
5
(iv)

9
5

Question 7

7.

Find the missing value in
12
7
✕
______ =
72
35

(i)

2
(ii)

8
5
(iii)

6
7
(iv)

6
5
(v)

4
5

Question 8

8.

Find the missing value in
15
7
÷
______ =
45
56

(i)

8
5
(ii)

2
(iii)

8
3
(iv)

8
(v)

10
3

Question 9

9.

Which of the following is true?

(i)

3
18

÷

1
8

=

1
48
(ii)

14
15

−

3
15

=

11
15
(iii)

9
10

÷

4
12

=

3
10
(iv)

11
19

✕

2
4

=

1

3
19
(v)

11
15

−

1
4

=

59
60

Question 10

10.

Which of the following is true?

(i)

9
7

÷

19
18

=

1

5
14
(ii)

13
3

+

27
19

=

2

52
57
(iii)

19
2

−

27
7

=

13

5
14
(iv)

33
13

−

28
13

=

5
13
(v)

21
5

−

13
8

=

5

33
40

Question 11

11.

1
2
+
8
= ______

(i)

17
4
(ii)

17
(iii)

15
2
(iv)

17
2
(v)

19
2

Question 12

12.

16

1
15
−
16
= ______

(i)

1
5
(ii)

1
15
(iii)

1
13
(iv)

(
-1
15
)
(v)

1
17

Question 13

13.

1
3
÷
17
= ______

(i)

(
-1
51
)
(ii)

1
51
(iii)

1
17
(iv)

1
49
(v)

1
53

Question 14

14.

14
9
+
1
= ______

(i)

25
9
(ii)

23
7
(iii)

7
3
(iv)

23
11
(v)

23
9

Question 15

15.

38
9
−
3
= ______

(i)

11
7
(ii)

1
(iii)

11
9
(iv)

13
9

Question 16

16.

8
1
✕
3
= ______

(i)

26
(ii)

24
(iii)

23
(iv)

22
(v)

25

Question 17

17.

13
2
÷
19
= ______

(i)

15
38
(ii)

13
40
(iii)

13
38
(iv)

11
38
(v)

13
36

Question 18

18.

12
+
3
5
= ______

(i)

63
5
(ii)

9
(iii)

21
(iv)

13
(v)

61
5

Question 19

19.

16
−
8
12
= ______

(i)

16
(ii)

46
3
(iii)

44
3
(iv)

46
(v)

46
5

Question 20

20.

15
✕
1
2
= ______

(i)

15
2
(ii)

13
2
(iii)

15
(iv)

15
4
(v)

17
2

Question 21

21.

12
÷
6
10
= ______

(i)

17
(ii)

22
(iii)

20
(iv)

21
(v)

19

Question 22

22.

12
+
13
2
= ______

(i)

39
2
(ii)

37
4
(iii)

35
2
(iv)

37
(v)

37
2

Question 23

23.

4
−
11
9
= ______

(i)

25
7
(ii)

23
9
(iii)

3
(iv)

25
11
(v)

25
9

Question 24

24.

4
✕
16
7
= ______

(i)

66
7
(ii)

62
7
(iii)

64
9
(iv)

64
5
(v)

64
7

Question 25

25.

6
÷
4
1
= ______

(i)

3
(ii)

3
2
(iii)

5
2
(iv)

3
4
(v)

1
2

Assignment Key