EduSahara™ Assignment
Name : Operations on Rational Numbers
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Find the missing value in
4
13
+
______ =
79
130
(i)
1
2
(ii)
3
10
(iii)
1
4
(iv)
3
8
(v)
1
10
Question
2
2.
Find the missing value in
13
15
−
______ =
37
60
(i)
1
2
(ii)
0
(iii)
1
5
(iv)
1
3
(v)
1
4
Question
3
3.
Find the missing value in
2
3
✕
______ =
5
21
(i)
5
16
(ii)
3
14
(iii)
5
12
(iv)
1
2
(v)
5
14
Question
4
4.
Find the missing value in
5
6
÷
______ =
25
6
(i)
1
15
(ii)
1
3
(iii)
3
13
(iv)
1
5
(v)
3
17
Question
5
5.
Find the missing value in
17
14
+
______ =
197
70
(i)
8
7
(ii)
8
5
(iii)
6
5
(iv)
8
3
(v)
2
Question
6
6.
Find the missing value in
20
3
−
______ =
41
12
(i)
13
4
(ii)
13
6
(iii)
13
2
(iv)
11
4
(v)
15
4
Question
7
7.
Find the missing value in
12
11
✕
______ =
38
33
(i)
19
16
(ii)
19
18
(iii)
7
6
(iv)
19
20
(v)
17
18
Question
8
8.
Find the missing value in
17
7
÷
______ =
68
63
(i)
7
4
(ii)
11
4
(iii)
9
2
(iv)
9
4
(v)
3
2
Question
9
9.
2
4
+
2
= ______
(i)
5
(ii)
3
2
(iii)
5
2
(iv)
5
4
(v)
7
2
Question
10
10.
2
4
5
−
2
= ______
(i)
4
5
(ii)
4
3
(iii)
4
7
(iv)
2
5
(v)
6
5
Question
11
11.
4
7
✕
9
= ______
(i)
36
5
(ii)
36
7
(iii)
38
7
(iv)
34
7
(v)
4
Question
12
12.
1
10
÷
3
= ______
(i)
(
-1
30
)
(ii)
1
32
(iii)
1
10
(iv)
1
28
(v)
1
30
Question
13
13.
10
3
+
2
= ______
(i)
16
(ii)
16
5
(iii)
6
(iv)
16
3
(v)
14
3
Question
14
14.
162
13
−
11
= ______
(i)
19
13
(ii)
21
13
(iii)
19
11
(iv)
17
13
(v)
19
15
Question
15
15.
11
7
✕
7
= ______
(i)
12
(ii)
14
(iii)
8
(iv)
10
(v)
11
Question
16
16.
17
14
÷
15
= ______
(i)
1
14
(ii)
17
212
(iii)
17
208
(iv)
17
210
(v)
19
210
Question
17
17.
10
+
8
12
= ______
(i)
32
(ii)
32
5
(iii)
10
(iv)
32
3
(v)
34
3
Question
18
18.
5
−
3
7
= ______
(i)
32
7
(ii)
32
5
(iii)
32
9
(iv)
30
7
(v)
34
7
Question
19
19.
6
✕
11
15
= ______
(i)
24
5
(ii)
4
(iii)
22
5
(iv)
22
3
(v)
22
7
Question
20
20.
17
÷
11
12
= ______
(i)
68
3
(ii)
204
13
(iii)
204
11
(iv)
206
11
(v)
202
11
Question
21
21.
16
+
17
10
= ______
(i)
35
2
(ii)
179
10
(iii)
177
8
(iv)
59
4
(v)
177
10
Question
22
22.
4
−
19
4
= ______
(i)
(
-5
4
)
(ii)
(
-1
2
)
(iii)
(
-3
2
)
(iv)
(
-3
4
)
(v)
(
-1
4
)
Question
23
23.
8
✕
9
8
= ______
(i)
10
(ii)
7
(iii)
9
(iv)
8
(v)
11
Question
24
24.
9
÷
16
13
= ______
(i)
119
16
(ii)
117
14
(iii)
115
16
(iv)
13
2
(v)
117
16
Assignment Key
1) (ii)
2) (v)
3) (v)
4) (iv)
5) (ii)
6) (i)
7) (ii)
8) (iv)
9) (iii)
10) (i)
11) (ii)
12) (v)
13) (iv)
14) (i)
15) (v)
16) (iv)
17) (iv)
18) (i)
19) (iii)
20) (iii)
21) (v)
22) (iv)
23) (iii)
24) (v)
