EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
4
7
+
16
= ______
(i)
116
9
(ii)
116
5
(iii)
116
7
(iv)
114
7
(v)
118
7
Question
2
2.
Which of the following is true?
(i)
21
10
<
40
23
(ii)
38
9
<
23
16
(iii)
16
3
<
37
10
(iv)
29
25
>
23
3
(v)
34
31
>
35
33
Question
3
3.
The multiplicative inverse of
1
8
is
(i)
9
(ii)
7
(iii)
8
1
(iv)
10
(v)
6
Question
4
4.
Which of the following is true?
a)
20.3200
✕
(
7.4200
✕
18.3700
)
=
(
20.3200
✕
7.4200
)
✕
18.3700
b)
7.4200
+
(
18.3700
+
19.5100
)
=
(
7.4200
+
18.3700
)
+
19.5100
c)
18.3700
−
(
19.5100
−
20.3200
)
=
(
18.3700
−
19.5100
)
−
20.3200
d)
19.5100
÷
(
20.3200
÷
7.4200
)
=
(
19.5100
÷
20.3200
)
÷
7.4200
(i)
{a,b}
(ii)
{c,a}
(iii)
{d,b}
(iv)
{c,d,a}
(v)
{c,b,a}
Question
5
5.
Find the missing value in
19
6
+
______ =
5
(i)
11
6
(ii)
11
4
(iii)
13
6
(iv)
11
8
(v)
3
2
Question
6
6.
Find the missing value in
7
12
✕
______ =
7
68
(i)
5
17
(ii)
1
5
(iii)
3
19
(iv)
3
17
(v)
1
17
Question
7
7.
The decimal number 0.780 lies between
(i)
{1,2}
(ii)
{0,1}
(iii)
{-2,-1}
(iv)
{2,3}
(v)
{-1,0}
Question
8
8.
The additive inverse of
8
3
is
(i)
0
(ii)
3
8
(iii)
(
-3
2
3
)
(iv)
(
-8
3
)
(v)
3
-8
Question
9
9.
Find the product of the rational numbers at the points labelled with letters J and K
(i)
92
5
(ii)
426
23
(iii)
462
25
(iv)
166
9
(v)
464
25
Question
10
10.
Find the difference between the values of numbers at point A and B
(i)
5
11
(ii)
1
3
(iii)
3
13
(iv)
3
11
(v)
1
11
Question
11
11.
Which of the following decimal numbers lie between
4570
and
4571
?
(i)
45705
(ii)
4570.5
(iii)
4571.5
(iv)
4569.5
(v)
457.1
Question
12
12.
Find the position of the rational number
7
4
on the number line
(i)
O
(ii)
M
(iii)
Q
(iv)
I
(v)
R
Question
13
13.
Find the missing value in
3
4
÷
______ =
13
16
(i)
14
13
(ii)
12
13
(iii)
10
13
(iv)
4
5
(v)
12
11
Question
14
14.
Find the difference of the rational numbers at the points labelled with letters H and I
(i)
(
-2
3
)
(ii)
(
-4
5
)
(iii)
0
(iv)
(
-2
7
)
(v)
(
-2
5
)
Question
15
15.
Find the position of the rational number
(
-13
3
)
on the number line
(i)
K
(ii)
F
(iii)
N
(iv)
I
(v)
E
Question
16
16.
5
1
2
−
5
= ______
(i)
3
2
(ii)
1
4
(iii)
1
(iv)
(
-1
2
)
(v)
1
2
Question
17
17.
Which of the following decimal numbers lie between
2385.82
and
2385.83
?
(i)
2385.812
(ii)
238.582
(iii)
2385.837
(iv)
2385.824
(v)
23858.24
Question
18
18.
12
11
÷
11
= ______
(i)
12
121
(ii)
10
121
(iii)
12
119
(iv)
14
121
(v)
4
41
Question
19
19.
18
÷
15
8
= ______
(i)
48
7
(ii)
46
5
(iii)
48
5
(iv)
10
(v)
16
Question
20
20.
The reciprocal of
5
4
is
(i)
4
5
(ii)
1
4
5
(iii)
(
-1
5
)
(iv)
(
-1
1
5
)
(v)
2
4
5
Question
21
21.
14
✕
1
2
= ______
(i)
5
(ii)
7
(iii)
10
(iv)
8
(v)
6
Question
22
22.
Which of the following is true?
(i)
7
12
>
6
9
(ii)
16
19
<
3
4
(iii)
5
6
<
4
9
(iv)
11
13
>
12
15
(v)
4
18
>
2
3
Question
23
23.
1
2
÷
3
= ______
(i)
1
2
(ii)
1
4
(iii)
(
-1
6
)
(iv)
1
6
(v)
1
8
Question
24
24.
Find the sum of the rational numbers at the points labelled with letters R and S
(i)
(
-103
8
)
(ii)
(
-25
2
)
(iii)
(
-129
10
)
(iv)
(
-127
10
)
(v)
(
-151
12
)
Question
25
25.
Find the difference of the rational numbers at the points labelled with letters P and Q
(i)
-1
(ii)
(
-1
5
)
(iii)
(
-3
7
)
(iv)
(
-3
5
)
Assignment Key
1) (iii)
2) (v)
3) (iii)
4) (i)
5) (i)
6) (iv)
7) (ii)
8) (iv)
9) (iii)
10) (iv)
11) (ii)
12) (v)
13) (ii)
14) (v)
15) (i)
16) (v)
17) (iv)
18) (i)
19) (iii)
20) (i)
21) (ii)
22) (iv)
23) (iv)
24) (iv)
25) (iv)