EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Which of the following are true?
a)
13
−
(
15
✕
11
)
=
(
13
−
15
)
✕
(
13
−
11
)
b)
7
✕
(
13
−
15
)
=
(
7
✕
13
)
−
(
7
✕
15
)
c)
15
÷
(
11
+
7
)
=
(
15
÷
11
)
+
(
15
÷
7
)
d)
11
✕
(
7
+
13
)
=
(
11
✕
7
)
+
(
11
✕
13
)
(i)
{c,d}
(ii)
{a,c,b}
(iii)
{a,d,b}
(iv)
{a,b}
(v)
{b,d}
Question
2
2.
Find the difference between the values of numbers at point A and B
(i)
(
-2
9
)
(ii)
0
(iii)
(
-2
7
)
(iv)
(
-2
11
)
(v)
(
-4
9
)
Question
3
3.
Which of the following are true?
a)
8
+
2
=
2
+
8
b)
2
−
13
=
13
−
2
c)
10
✕
8
=
8
✕
10
d)
13
÷
10
=
10
÷
13
(i)
{b,a}
(ii)
{b,d,a}
(iii)
{b,c,a}
(iv)
{a,c}
(v)
{d,c}
Question
4
4.
The decimal number 466.758 lies between
(i)
{467,468}
(ii)
{464,465}
(iii)
{468,469}
(iv)
{465,466}
(v)
{466,467}
Question
5
5.
Which of the following decimal numbers lie between
3031
and
3032
?
(i)
3031.5
(ii)
3030.2
(iii)
303.1
(iv)
30315
(v)
3032.5
Question
6
6.
Find the missing value in
3
6
−
______ =
1
6
(i)
1
5
(ii)
(
-1
3
)
(iii)
1
(iv)
1
3
Question
7
7.
Find the missing value in
7
16
✕
______ =
21
160
(i)
1
5
(ii)
2
5
(iii)
1
3
(iv)
3
10
(v)
3
11
Question
8
8.
Find the rational number at the point labelled with letter I
(i)
(
-49
8
)
(ii)
(
-47
6
)
(iii)
(
-49
6
)
(iv)
(
-17
2
)
(v)
(
-49
4
)
Question
9
9.
Find the equation representing the following number line diagram
(i)
2
7
+
3
7
=
5
7
(ii)
2
7
−
6
7
=
(
-4
7
)
(iii)
1
7
+
3
7
=
4
7
(iv)
4
7
−
3
7
=
1
7
(v)
3
7
+
5
7
=
8
7
Question
10
10.
Which of the following decimal numbers lie between
1279.378
and
1279.379
?
(i)
1279.3797
(ii)
127.9378
(iii)
1279.3784
(iv)
12793.7844
(v)
1279.377
Question
11
11.
Find the product of the rational numbers at the points labelled with letters E and F
(i)
2079
50
(ii)
665
16
(iii)
83
2
(iv)
2159
52
(v)
2077
50
Question
12
12.
The decimal number 62.8 lies between
(i)
{64,65}
(ii)
{63,64}
(iii)
{61,62}
(iv)
{60,61}
(v)
{62,63}
Question
13
13.
The decimal number -3.033 lies between
(i)
{-3.035,-3.034}
(ii)
{-3.043,-3.023}
(iii)
{-3.032,-3.031}
(iv)
{-3.023,-3.013}
(v)
{-3.053,-3.043}
Question
14
14.
11
÷
4
9
= ______
(i)
99
4
(ii)
97
4
(iii)
33
2
(iv)
101
4
(v)
99
2
Question
15
15.
Find the missing value in
3
8
÷
______ =
13
24
(i)
7
13
(ii)
3
5
(iii)
11
13
(iv)
9
11
(v)
9
13
Question
16
16.
Find the missing value in
9
7
−
______ =
11
112
(i)
19
14
(ii)
21
16
(iii)
17
16
(iv)
19
16
(v)
19
18
Question
17
17.
Find the missing value in
13
10
✕
______ =
9
5
(i)
6
5
(ii)
18
13
(iii)
16
13
(iv)
18
11
(v)
20
13
Question
18
18.
The reciprocal of
2
7
is
(i)
2
1
2
(ii)
4
1
2
(iii)
7
2
(iv)
1
1
2
(v)
5
1
2
Question
19
19.
19
+
17
10
= ______
(i)
207
10
(ii)
207
8
(iii)
41
2
(iv)
69
4
(v)
209
10
Question
20
20.
5
4
÷
1
= ______
(i)
5
6
(ii)
5
4
(iii)
7
4
(iv)
3
4
(v)
5
2
Question
21
21.
Which of the following is true?
a)
17.0100
✕
(
7.7700
+
6.2000
)
=
(
17.0100
✕
7.7700
)
+
(
17.0100
✕
6.2000
)
b)
7.7700
✕
(
6.2000
−
8.5400
)
=
(
7.7700
✕
6.2000
)
−
(
7.7700
✕
8.5400
)
c)
8.5400
÷
(
17.0100
+
7.7700
)
=
(
8.5400
÷
17.0100
)
+
(
8.5400
÷
7.7700
)
d)
6.2000
−
(
8.5400
✕
17.0100
)
=
(
6.2000
−
8.5400
)
✕
(
6.2000
−
17.0100
)
(i)
{c,a}
(ii)
{c,b,a}
(iii)
{a,b}
(iv)
{c,d,a}
(v)
{d,b}
Question
22
22.
The decimal number 1.492 lies between
(i)
{-1,0}
(ii)
{1,2}
(iii)
{2,3}
(iv)
{0,1}
(v)
{3,4}
Question
23
23.
Which of the following is true?
(i)
19
4
−
23
11
=
6
37
44
(ii)
12
7
✕
15
11
=
1
9
35
(iii)
17
4
+
30
11
=
1
23
44
(iv)
23
9
✕
19
9
=
1
4
19
(v)
13
2
✕
25
4
=
40
5
8
Question
24
24.
Find the decimal number at the point labelled with letter K
(i)
5.8
(ii)
5.9
(iii)
6.3
(iv)
5.5
(v)
6.4
Question
25
25.
Find the rational number at the point labelled with letter P
(i)
11
2
(ii)
13
(iii)
13
4
(iv)
15
2
(v)
13
2
Assignment Key
1) (v)
2) (i)
3) (iv)
4) (v)
5) (i)
6) (iv)
7) (iv)
8) (iii)
9) (i)
10) (iii)
11) (v)
12) (v)
13) (ii)
14) (i)
15) (v)
16) (iv)
17) (ii)
18) (iii)
19) (i)
20) (ii)
21) (iii)
22) (ii)
23) (v)
24) (i)
25) (v)
