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
1
3
+
______ =
1
2
(i)
1
5
(ii)
1
7
(iii)
1
6
(iv)
1
3
(v)
0
Question
2
2.
Find the missing value in
15
18
−
______ =
1
2
(i)
1
3
(ii)
2
5
(iii)
1
6
(iv)
2
7
(v)
1
2
Question
3
3.
Find the missing value in
1
4
✕
______ =
1
6
(i)
4
3
(ii)
2
3
(iii)
0
(iv)
2
5
(v)
2
Question
4
4.
Find the missing value in
17
20
÷
______ =
51
20
(i)
3
10
(ii)
2
9
(iii)
1
3
(iv)
3
8
(v)
4
9
Question
5
5.
Find the missing value in
20
7
+
______ =
115
28
(i)
7
4
(ii)
5
2
(iii)
5
4
(iv)
5
6
(v)
3
4
Question
6
6.
Find the missing value in
15
4
−
______ =
7
12
(i)
7
2
(ii)
17
6
(iii)
19
6
(iv)
19
4
(v)
19
8
Question
7
7.
Find the missing value in
19
6
✕
______ =
361
66
(i)
17
11
(ii)
19
11
(iii)
19
13
(iv)
21
11
(v)
19
9
Question
8
8.
Find the missing value in
19
5
÷
______ =
209
85
(i)
15
11
(ii)
17
9
(iii)
17
11
(iv)
17
13
(v)
19
11
Question
9
9.
8
12
+
18
= ______
(i)
58
3
(ii)
56
5
(iii)
56
(iv)
56
3
(v)
18
Question
10
10.
10
2
3
−
10
= ______
(i)
2
3
(ii)
2
5
(iii)
0
(iv)
4
3
(v)
2
Question
11
11.
8
16
✕
5
= ______
(i)
7
2
(ii)
3
2
(iii)
5
(iv)
5
4
(v)
5
2
Question
12
12.
5
9
÷
15
= ______
(i)
(
-1
27
)
(ii)
1
25
(iii)
1
29
(iv)
1
9
(v)
1
27
Question
13
13.
11
10
+
2
= ______
(i)
31
12
(ii)
33
10
(iii)
29
10
(iv)
31
10
(v)
31
8
Question
14
14.
153
10
−
14
= ______
(i)
13
12
(ii)
11
10
(iii)
3
2
(iv)
13
10
(v)
13
8
Question
15
15.
12
7
✕
2
= ______
(i)
24
5
(ii)
26
7
(iii)
22
7
(iv)
24
7
(v)
8
3
Question
16
16.
15
4
÷
17
= ______
(i)
13
68
(ii)
5
22
(iii)
15
68
(iv)
3
14
(v)
1
4
Question
17
17.
8
+
10
12
= ______
(i)
55
6
(ii)
17
2
(iii)
53
8
(iv)
53
6
(v)
53
4
Question
18
18.
9
−
4
13
= ______
(i)
113
13
(ii)
113
15
(iii)
111
13
(iv)
115
13
(v)
113
11
Question
19
19.
7
✕
4
10
= ______
(i)
12
5
(ii)
14
5
(iii)
2
(iv)
14
3
(v)
16
5
Question
20
20.
20
÷
11
13
= ______
(i)
258
11
(ii)
20
(iii)
260
11
(iv)
262
11
(v)
260
9
Question
21
21.
11
+
3
2
= ______
(i)
23
2
(ii)
25
(iii)
25
2
(iv)
25
4
(v)
27
2
Question
22
22.
13
−
19
9
= ______
(i)
14
(ii)
98
11
(iii)
32
3
(iv)
100
9
(v)
98
9
Question
23
23.
17
✕
15
2
= ______
(i)
255
4
(ii)
253
2
(iii)
255
2
(iv)
255
(v)
257
2
Question
24
24.
6
÷
10
3
= ______
(i)
11
5
(ii)
3
(iii)
9
5
(iv)
7
5
(v)
9
7
Assignment Key
1) (iii)
2) (i)
3) (ii)
4) (iii)
5) (iii)
6) (iii)
7) (ii)
8) (iii)
9) (iv)
10) (i)
11) (v)
12) (v)
13) (iv)
14) (iv)
15) (iv)
16) (iii)
17) (iv)
18) (i)
19) (ii)
20) (iii)
21) (iii)
22) (v)
23) (iii)
24) (iii)
