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
6
7
+
______ =
71
42
(i)
5
8
(ii)
5
6
(iii)
5
4
(iv)
7
6
(v)
1
2
Question
2
2.
Find the missing value in
7
17
−
______ =
43
187
(i)
4
11
(ii)
2
13
(iii)
2
11
(iv)
2
9
(v)
0
Question
3
3.
Find the missing value in
1
6
✕
______ =
1
40
(i)
3
22
(ii)
1
20
(iii)
1
4
(iv)
1
6
(v)
3
20
Question
4
4.
Find the missing value in
2
5
÷
______ =
12
25
(i)
5
8
(ii)
5
4
(iii)
5
6
(iv)
7
6
(v)
1
2
Question
5
5.
Find the missing value in
11
7
+
______ =
19
7
(i)
6
7
(ii)
8
7
(iii)
10
7
(iv)
8
5
(v)
8
9
Question
6
6.
Find the missing value in
13
6
−
______ =
67
78
(i)
17
11
(ii)
19
13
(iii)
17
13
(iv)
17
15
(v)
15
13
Question
7
7.
Find the missing value in
20
9
✕
______ =
380
99
(i)
19
13
(ii)
21
11
(iii)
19
9
(iv)
19
11
(v)
17
11
Question
8
8.
Find the missing value in
9
8
÷
______ =
81
136
(i)
17
11
(ii)
5
3
(iii)
17
7
(iv)
17
9
(v)
19
9
Question
9
9.
2
7
+
18
= ______
(i)
128
5
(ii)
18
(iii)
128
9
(iv)
128
7
(v)
130
7
Question
10
10.
4
3
4
−
4
= ______
(i)
3
2
(ii)
1
2
(iii)
1
4
(iv)
3
4
(v)
5
4
Question
11
11.
1
2
✕
4
= ______
(i)
4
(ii)
2
(iii)
0
(iv)
1
(v)
3
Question
12
12.
2
9
÷
13
= ______
(i)
4
117
(ii)
2
117
(iii)
0
(iv)
2
119
(v)
2
115
Question
13
13.
16
5
+
13
= ______
(i)
81
7
(ii)
79
5
(iii)
27
(iv)
81
5
(v)
83
5
Question
14
14.
59
3
−
15
= ______
(i)
14
5
(ii)
14
3
(iii)
4
(iv)
14
(v)
16
3
Question
15
15.
17
8
✕
16
= ______
(i)
32
(ii)
36
(iii)
35
(iv)
33
(v)
34
Question
16
16.
13
2
÷
9
= ______
(i)
13
18
(ii)
5
6
(iii)
11
18
(iv)
13
20
(v)
13
16
Question
17
17.
16
+
11
12
= ______
(i)
29
2
(ii)
67
4
(iii)
203
10
(iv)
203
12
(v)
205
12
Question
18
18.
7
−
1
5
= ______
(i)
34
7
(ii)
36
5
(iii)
34
5
(iv)
32
5
(v)
34
3
Question
19
19.
11
✕
12
13
= ______
(i)
44
5
(ii)
10
(iii)
134
13
(iv)
12
(v)
132
13
Question
20
20.
2
÷
2
4
= ______
(i)
6
(ii)
4
(iii)
3
(iv)
5
(v)
2
Question
21
21.
18
+
19
10
= ______
(i)
201
10
(ii)
199
12
(iii)
197
10
(iv)
199
8
(v)
199
10
Question
22
22.
6
−
16
15
= ______
(i)
76
15
(ii)
74
13
(iii)
74
17
(iv)
24
5
(v)
74
15
Question
23
23.
9
✕
17
9
= ______
(i)
16
(ii)
17
(iii)
20
(iv)
18
(v)
14
Question
24
24.
15
÷
15
7
= ______
(i)
6
(ii)
8
(iii)
7
(iv)
9
(v)
4
Assignment Key
1) (ii)
2) (iii)
3) (v)
4) (iii)
5) (ii)
6) (iii)
7) (iv)
8) (iv)
9) (iv)
10) (iv)
11) (ii)
12) (ii)
13) (iv)
14) (ii)
15) (v)
16) (i)
17) (iv)
18) (iii)
19) (v)
20) (ii)
21) (v)
22) (v)
23) (ii)
24) (iii)
