EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
The decimal number 94.2 lies between
(i)
{93,94}
(ii)
{94,95}
(iii)
{95,96}
(iv)
{92,93}
(v)
{96,97}
Question
2
2.
Which of the following is true?
a)
7.6200
+
(
13.9800
+
9.6200
)
=
(
7.6200
+
13.9800
)
+
9.6200
b)
13.9800
−
(
9.6200
−
18.4400
)
=
(
13.9800
−
9.6200
)
−
18.4400
c)
9.6200
÷
(
18.4400
÷
7.6200
)
=
(
9.6200
÷
18.4400
)
÷
7.6200
d)
18.4400
✕
(
7.6200
✕
13.9800
)
=
(
18.4400
✕
7.6200
)
✕
13.9800
(i)
{b,d,a}
(ii)
{c,d}
(iii)
{b,a}
(iv)
{a,d}
(v)
{b,c,a}
Question
3
3.
Find the difference between the values of numbers at point A and B
(i)
(
-1
5
)
(ii)
(
-1
3
)
(iii)
-1
(iv)
1
3
Question
4
4.
Find the difference of the rational numbers at the points labelled with letters I and J
(i)
(
-7
12
)
(ii)
(
-9
10
)
(iii)
(
-7
8
)
(iv)
(
-1
2
)
(v)
(
-7
10
)
Question
5
5.
Find the product of the decimal numbers at the points labelled with letters Q and R
(i)
14.2
(ii)
14.4
(iii)
14.8
(iv)
14.9
(v)
14.7
Question
6
6.
13
−
2
3
= ______
(i)
13
(ii)
37
(iii)
37
3
(iv)
35
3
(v)
37
5
Question
7
7.
16
✕
13
2
= ______
(i)
104
(ii)
106
(iii)
105
(iv)
103
(v)
102
Question
8
8.
Which of the following decimal numbers lie between
3280.5
and
3280.6
?
(i)
3280.65
(ii)
328.06
(iii)
3280.47
(iv)
3280.59
(v)
32805.88
Question
9
9.
Which of the following decimal numbers lie between
2230
and
2231
?
(i)
2230.7
(ii)
2229.1
(iii)
2231.1
(iv)
223.1
(v)
22306.7
Question
10
10.
Find the missing value in
4
3
+
______ =
113
42
(i)
19
12
(ii)
19
14
(iii)
19
16
(iv)
3
2
(v)
17
14
Question
11
11.
Find the difference of the rational numbers at the points labelled with letters F and G
(i)
(
-3
5
)
(ii)
(
-1
5
)
(iii)
-1
(iv)
(
-3
7
)
Question
12
12.
Which of the following is true?
(i)
1
12
>
10
18
(ii)
7
15
<
1
12
(iii)
16
17
>
4
11
(iv)
9
14
>
7
8
(v)
1
2
>
9
12
Question
13
13.
The decimal number 0.978 lies between
(i)
{-1,0}
(ii)
{-2,-1}
(iii)
{0,1}
(iv)
{1,2}
(v)
{2,3}
Question
14
14.
The decimal number 0.818 lies between
(i)
{2,3}
(ii)
{1,2}
(iii)
{0,1}
(iv)
{-1,0}
(v)
{-2,-1}
Question
15
15.
Find the missing value in
19
16
✕
______ =
361
48
(i)
19
5
(ii)
17
3
(iii)
19
3
(iv)
7
(v)
19
Question
16
16.
Find the product of the rational numbers at the points labelled with letters S and T
(i)
1219
52
(ii)
47
2
(iii)
1127
48
(iv)
1173
50
(v)
1171
50
Question
17
17.
The decimal number -1.551 lies between
(i)
{-2,-1}
(ii)
{-3,-2}
(iii)
{-4,-3}
(iv)
{0,1}
(v)
{-1,0}
Question
18
18.
Which of the following are true?
a)
14
✕
(
17
✕
19
)
=
(
14
✕
17
)
✕
19
b)
5
÷
(
14
÷
17
)
=
(
5
÷
14
)
÷
17
c)
17
+
(
19
+
5
)
=
(
17
+
19
)
+
5
d)
19
−
(
5
−
14
)
=
(
19
−
5
)
−
14
(i)
{b,d,a}
(ii)
{d,c}
(iii)
{a,c}
(iv)
{b,c,a}
(v)
{b,a}
Question
19
19.
Which of the following are true?
a)
17
✕
4
=
4
✕
17
b)
16
÷
17
=
17
÷
16
c)
12
−
16
=
16
−
12
d)
4
+
12
=
12
+
4
(i)
{b,a}
(ii)
{c,d}
(iii)
{b,c,a}
(iv)
{a,d}
(v)
{b,d,a}
Question
20
20.
Find the position of the rational number
48
7
on the number line
(i)
I
(ii)
N
(iii)
G
(iv)
R
(v)
Q
Question
21
21.
The decimal number -30.2 lies between
(i)
{-31,-30}
(ii)
{-32,-31}
(iii)
{-30,-29}
(iv)
{-33,-32}
(v)
{-29,-28}
Question
22
22.
7
5
÷
19
= ______
(i)
7
97
(ii)
7
95
(iii)
1
19
(iv)
9
95
(v)
7
93
Question
23
23.
10
15
÷
8
= ______
(i)
(
-1
12
)
(ii)
1
14
(iii)
1
12
(iv)
1
4
(v)
1
10
Question
24
24.
Which of the following are true?
a)
10
17
✕
(
46
5
+
11
12
)
=
(
10
17
✕
46
5
)
+
(
10
17
✕
11
12
)
b)
10
17
✕
(
39
5
−
17
19
)
=
(
10
17
✕
39
5
)
−
(
10
17
✕
17
19
)
c)
5
8
−
(
39
5
✕
5
7
)
=
(
5
8
−
39
5
)
✕
(
5
8
−
5
7
)
d)
5
8
÷
(
46
5
+
17
14
)
=
(
5
8
÷
46
5
)
+
(
5
8
÷
17
14
)
(i)
{c,b,a}
(ii)
{c,a}
(iii)
{d,b}
(iv)
{a,b}
(v)
{c,d,a}
Question
25
25.
Which of the following is true?
a)
19.0600
+
12.3800
=
12.3800
+
19.0600
b)
11.2300
÷
6.6800
=
6.6800
÷
11.2300
c)
12.3800
−
11.2300
=
11.2300
−
12.3800
d)
6.6800
✕
19.0600
=
19.0600
✕
6.6800
(i)
{a,d}
(ii)
{b,d,a}
(iii)
{b,c,a}
(iv)
{c,d}
(v)
{b,a}
Assignment Key
1) (ii)
2) (iv)
3) (ii)
4) (v)
5) (ii)
6) (iii)
7) (i)
8) (iv)
9) (i)
10) (ii)
11) (i)
12) (iii)
13) (iii)
14) (iii)
15) (iii)
16) (iv)
17) (i)
18) (iii)
19) (iv)
20) (v)
21) (i)
22) (ii)
23) (iii)
24) (iv)
25) (i)