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
9
10
+
______ =
47
30
(i)
1
2
(ii)
1
3
(iii)
1
(iv)
2
3
Question
2
2.
Find the missing value in
4
7
−
______ =
9
28
(i)
3
14
(ii)
3
10
(iii)
1
12
(iv)
5
12
(v)
1
4
Question
3
3.
Find the missing value in
1
15
✕
______ =
11
180
(i)
13
12
(ii)
3
4
(iii)
11
12
(iv)
11
14
(v)
11
10
Question
4
4.
Find the missing value in
5
16
÷
______ =
15
32
(i)
8
9
(ii)
6
7
(iii)
6
11
(iv)
2
3
(v)
4
9
Question
5
5.
Find the missing value in
18
13
+
______ =
223
39
(i)
5
(ii)
13
3
(iii)
11
3
(iv)
13
5
(v)
13
Question
6
6.
Find the missing value in
19
6
−
______ =
19
24
(i)
19
6
(ii)
21
8
(iii)
19
8
(iv)
19
10
(v)
17
8
Question
7
7.
Find the missing value in
17
7
✕
______ =
187
21
(i)
13
3
(ii)
11
5
(iii)
11
3
(iv)
3
(v)
11
Question
8
8.
Find the missing value in
19
13
÷
______ =
76
117
(i)
9
2
(ii)
7
4
(iii)
9
4
(iv)
3
2
(v)
11
4
Question
9
9.
6
14
+
12
= ______
(i)
87
7
(ii)
29
3
(iii)
87
5
(iv)
89
7
(v)
85
7
Question
10
10.
12
3
4
−
12
= ______
(i)
1
4
(ii)
3
4
(iii)
1
2
(iv)
5
4
(v)
3
2
Question
11
11.
1
2
✕
14
= ______
(i)
6
(ii)
9
(iii)
7
(iv)
4
(v)
8
Question
12
12.
3
6
÷
12
= ______
(i)
1
22
(ii)
(
-1
24
)
(iii)
1
8
(iv)
1
24
(v)
1
26
Question
13
13.
13
4
+
16
= ______
(i)
79
4
(ii)
77
6
(iii)
77
2
(iv)
75
4
(v)
77
4
Question
14
14.
178
9
−
18
= ______
(i)
2
(ii)
14
9
(iii)
16
9
(iv)
16
11
(v)
16
7
Question
15
15.
17
7
✕
20
= ______
(i)
340
7
(ii)
68
(iii)
338
7
(iv)
342
7
(v)
340
9
Question
16
16.
10
3
÷
11
= ______
(i)
10
31
(ii)
2
7
(iii)
10
33
(iv)
4
11
(v)
8
33
Question
17
17.
20
+
4
5
= ______
(i)
104
3
(ii)
106
5
(iii)
104
7
(iv)
104
5
(v)
102
5
Question
18
18.
2
−
2
8
= ______
(i)
7
6
(ii)
5
4
(iii)
7
4
(iv)
7
2
(v)
9
4
Question
19
19.
5
✕
12
15
= ______
(i)
2
(ii)
3
(iii)
5
(iv)
4
(v)
6
Question
20
20.
12
÷
4
9
= ______
(i)
24
(ii)
26
(iii)
29
(iv)
28
(v)
27
Question
21
21.
20
+
17
14
= ______
(i)
299
14
(ii)
295
14
(iii)
297
16
(iv)
297
14
(v)
99
4
Question
22
22.
5
−
8
3
= ______
(i)
7
3
(ii)
3
(iii)
7
(iv)
7
5
(v)
5
3
Question
23
23.
20
✕
16
1
= ______
(i)
322
(ii)
320
(iii)
317
(iv)
321
(v)
319
Question
24
24.
4
÷
15
1
= ______
(i)
4
17
(ii)
2
15
(iii)
4
15
(iv)
2
5
(v)
4
13
Assignment Key
1) (iv)
2) (v)
3) (iii)
4) (iv)
5) (ii)
6) (iii)
7) (iii)
8) (iii)
9) (i)
10) (ii)
11) (iii)
12) (iv)
13) (v)
14) (iii)
15) (i)
16) (iii)
17) (iv)
18) (iii)
19) (iv)
20) (v)
21) (iv)
22) (i)
23) (ii)
24) (iii)
