EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
Find the missing value in
2
5
+
______ =
19
35
(i)
1
7
(ii)
1
5
(iii)
(
-1
7
)
(iv)
3
7
(v)
1
9
Question
2
2.
Find the difference between the values of numbers at point A and B
(i)
9
11
(ii)
5
11
(iii)
7
11
(iv)
7
13
(v)
7
9
Question
3
3.
Which of the following is true?
(i)
14
3
>
25
21
(ii)
27
23
<
33
32
(iii)
29
25
>
35
26
(iv)
16
13
<
39
32
(v)
38
5
<
12
7
Question
4
4.
Which of the following is true?
a)
10.2700
✕
11.1100
=
11.1100
✕
10.2700
b)
20.6600
÷
10.2700
=
10.2700
÷
20.6600
c)
11.1100
+
7.8900
=
7.8900
+
11.1100
d)
7.8900
−
20.6600
=
20.6600
−
7.8900
(i)
{b,a}
(ii)
{b,d,a}
(iii)
{b,c,a}
(iv)
{d,c}
(v)
{a,c}
Question
5
5.
Which of the following are true?
a)
7
12
÷
(
17
5
+
7
18
)
=
(
7
12
÷
17
5
)
+
(
7
12
÷
7
18
)
b)
5
19
✕
(
17
5
+
13
8
)
=
(
5
19
✕
17
5
)
+
(
5
19
✕
13
8
)
c)
7
12
−
(
121
18
✕
12
5
)
=
(
7
12
−
121
18
)
✕
(
7
12
−
12
5
)
d)
5
19
✕
(
121
18
−
13
4
)
=
(
5
19
✕
121
18
)
−
(
5
19
✕
13
4
)
(i)
{a,b}
(ii)
{b,d}
(iii)
{a,c,b}
(iv)
{a,d,b}
(v)
{c,d}
Question
6
6.
20
+
3
2
= ______
(i)
41
2
(ii)
45
2
(iii)
43
(iv)
43
2
(v)
43
4
Question
7
7.
Find the decimal number at the point labelled with letter V
(i)
6.5
(ii)
6.7
(iii)
7
(iv)
6.2
(v)
6.9
Question
8
8.
Find the sum of the decimal numbers at the points labelled with letters X and Y
(i)
3.1
(ii)
3.2
(iii)
3.5
(iv)
3.7
(v)
2.9
Question
9
9.
1
÷
10
15
= ______
(i)
3
2
(ii)
5
2
(iii)
3
4
(iv)
3
(v)
1
2
Question
10
10.
Find the position of the rational number
(
-23
6
)
on the number line
(i)
K
(ii)
E
(iii)
R
(iv)
J
(v)
O
Question
11
11.
1
2
÷
14
= ______
(i)
1
26
(ii)
(
-1
28
)
(iii)
1
30
(iv)
1
28
(v)
3
28
Question
12
12.
Find the position of the decimal number 4.9 on the number line
(i)
Q
(ii)
N
(iii)
I
(iv)
F
(v)
D
Question
13
13.
Which of the following decimal numbers lie between
4669.6104
and
4669.6105
?
(i)
4669.61047
(ii)
46696.10467
(iii)
4669.61053
(iv)
466.96105
(v)
4669.61037
Question
14
14.
Find the difference of the rational numbers at the points labelled with letters P and Q
(i)
(
-1
2
)
(ii)
(
-3
10
)
(iii)
(
-1
4
)
(iv)
(
-1
10
)
(v)
(
-3
8
)
Question
15
15.
Find the missing value in
4
7
✕
______ =
3
28
(i)
3
16
(ii)
1
6
(iii)
1
16
(iv)
5
16
(v)
3
14
Question
16
16.
The decimal number -63.8 lies between
(i)
{-63,-62}
(ii)
{-64,-63}
(iii)
{-65,-64}
(iv)
{-62,-61}
(v)
{-66,-65}
Question
17
17.
Find the missing value in
11
3
−
______ =
20
21
(i)
19
7
(ii)
17
7
(iii)
3
(iv)
19
5
(v)
19
9
Question
18
18.
Which of the following are true?
a)
8
19
✕
85
9
=
85
9
✕
8
19
b)
18
17
−
31
5
=
31
5
−
18
17
c)
18
17
÷
85
9
=
85
9
÷
18
17
d)
8
19
+
31
5
=
31
5
+
8
19
(i)
{b,d,a}
(ii)
{b,c,a}
(iii)
{a,d}
(iv)
{c,d}
(v)
{b,a}
Question
19
19.
Which of the following is true?
(i)
4
9
<
4
11
(ii)
6
12
<
1
12
(iii)
10
14
>
14
18
(iv)
10
12
<
11
17
(v)
10
12
>
14
19
Question
20
20.
The decimal number -5.062 lies between
(i)
{-5.072,-5.052}
(ii)
{-5.061,-5.060}
(iii)
{-5.082,-5.072}
(iv)
{-5.064,-5.063}
(v)
{-5.052,-5.042}
Question
21
21.
Find the sum of the rational numbers at the points labelled with letters E and F
(i)
47
10
(ii)
19
4
(iii)
49
10
(iv)
51
10
(v)
41
8
Question
22
22.
Which of the following are true?
a)
real numbers are closed under division
b)
real numbers are closed under subtraction
c)
real numbers are closed under addition
d)
real numbers are closed under multiplication
(i)
{a,c}
(ii)
{b,c,d}
(iii)
{a,b,c}
(iv)
{a,d}
(v)
{a,b}
Question
23
23.
19
÷
16
9
= ______
(i)
19
2
(ii)
171
16
(iii)
169
16
(iv)
171
14
(v)
173
16
Question
24
24.
The decimal number 785.20 lies between
(i)
{786,787}
(ii)
{784,785}
(iii)
{787,788}
(iv)
{783,784}
(v)
{785,786}
Question
25
25.
Find the rational number at the point labelled with letter R
(i)
-20
(ii)
-6
(iii)
(
-22
3
)
(iv)
-4
(v)
(
-20
3
)
Assignment Key
1) (i)
2) (iii)
3) (i)
4) (v)
5) (ii)
6) (iv)
7) (i)
8) (i)
9) (i)
10) (iv)
11) (iv)
12) (ii)
13) (i)
14) (ii)
15) (i)
16) (ii)
17) (i)
18) (iii)
19) (v)
20) (i)
21) (iii)
22) (ii)
23) (ii)
24) (v)
25) (v)
