EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Find the sum of the rational numbers at the points labelled with letters M and N
(i)
39
10
(ii)
37
10
(iii)
43
12
(iv)
31
8
(v)
7
2
Question
2
2.
29
7
−
2
= ______
(i)
3
(ii)
17
7
(iii)
5
3
(iv)
13
7
(v)
15
7
Question
3
3.
Find the difference between the values of numbers at point A and B
(i)
9
(ii)
6
(iii)
8
(iv)
11
(v)
10
Question
4
4.
The decimal number 77.8 lies between
(i)
{75,76}
(ii)
{79,80}
(iii)
{77,78}
(iv)
{78,79}
(v)
{76,77}
Question
5
5.
Find the missing value in
17
8
÷
______ =
221
144
(i)
6
5
(ii)
18
11
(iii)
16
13
(iv)
20
13
(v)
18
13
Question
6
6.
Which of the following decimal numbers lie between
2226.9
and
2227.0
?
(i)
2226.96
(ii)
2227.04
(iii)
2226.84
(iv)
22269.6
(v)
222.7
Question
7
7.
Find the product of the rational numbers at the points labelled with letters R and S
(i)
2849
50
(ii)
2847
50
(iii)
2735
48
(iv)
2959
52
(v)
569
10
Question
8
8.
Find the periodicity of the recurring decimal
17.
4
(i)
0
(ii)
2
(iii)
-1
(iv)
4
(v)
1
Question
9
9.
Convert the non-terminating recurring decimal
9.96296296296296...
to rational number
(i)
269
29
(ii)
269
25
(iii)
271
27
(iv)
269
27
(v)
89
9
Question
10
10.
Find the period of the recurring decimal
23.18518518518518...
(i)
1850
(ii)
185
(iii)
3
(iv)
4
(v)
18
Question
11
11.
The decimal number 3.45 lies between
(i)
{3.55,3.65}
(ii)
{3.25,3.35}
(iii)
{3.35,3.55}
(iv)
{3.43,3.44}
(v)
{3.46,3.47}
Question
12
12.
Express
9
4
as a decimal correct to 2 decimal places
(i)
2.25
(ii)
2.15
(iii)
2.45
(iv)
2.05
(v)
2.35
Question
13
13.
The decimal number 541.22 lies between
(i)
{542,543}
(ii)
{539,540}
(iii)
{541,542}
(iv)
{540,541}
(v)
{543,544}
Question
14
14.
10
✕
7
1
= ______
(i)
72
(ii)
67
(iii)
71
(iv)
69
(v)
70
Question
15
15.
Express
293
1000
as a decimal correct to 3 decimal places
(i)
2.93
(ii)
0.293
(iii)
0.029
(iv)
0.093
(v)
0.393
Question
16
16.
Which of the following are true?
a)
15
13
÷
(
47
6
+
12
17
)
=
(
15
13
÷
47
6
)
+
(
15
13
÷
12
17
)
b)
15
13
−
(
21
10
✕
1
10
)
=
(
15
13
−
21
10
)
✕
(
15
13
−
1
10
)
c)
7
11
✕
(
47
6
+
17
11
)
=
(
7
11
✕
47
6
)
+
(
7
11
✕
17
11
)
d)
7
11
✕
(
21
10
−
20
17
)
=
(
7
11
✕
21
10
)
−
(
7
11
✕
20
17
)
(i)
{a,d,c}
(ii)
{a,b,c}
(iii)
{a,c}
(iv)
{b,d}
(v)
{c,d}
Question
17
17.
Convert the non-terminating recurring decimal
19.
5
to rational number
(i)
58
3
(ii)
176
7
(iii)
16
(iv)
176
9
(v)
178
9
Question
18
18.
3
4
+
20
= ______
(i)
83
4
(ii)
83
2
(iii)
81
4
(iv)
85
4
(v)
83
6
Question
19
19.
13
15
÷
20
= ______
(i)
13
298
(ii)
1
20
(iii)
11
300
(iv)
13
302
(v)
13
300
Question
20
20.
Find the difference between the values of numbers at point A and B
(i)
(-1)
(ii)
1
(iii)
(-2)
(iv)
(-4)
(v)
0
Question
21
21.
18.22 =
(i)
1822
(ii)
911
50
(iii)
911
5
(iv)
911
500
(v)
911
5000
Question
22
22.
Which of the following are true?
a)
1
11
÷
75
8
=
75
8
÷
1
11
b)
12
7
+
19
12
=
19
12
+
12
7
c)
1
11
−
19
12
=
19
12
−
1
11
d)
12
7
✕
75
8
=
75
8
✕
12
7
(i)
{a,b}
(ii)
{b,d}
(iii)
{a,d,b}
(iv)
{a,c,b}
(v)
{c,d}
Question
23
23.
Express
732
259
as a decimal correct to 3 decimal places
(i)
3.026
(ii)
2.626
(iii)
2.826
(iv)
2.926
(v)
2.726
Question
24
24.
10
+
16
13
= ______
(i)
144
13
(ii)
146
11
(iii)
146
15
(iv)
146
13
(v)
148
13
Question
25
25.
The decimal number 373.280 lies between
(i)
{375,376}
(ii)
{374,375}
(iii)
{371,372}
(iv)
{372,373}
(v)
{373,374}
Assignment Key
1) (ii)
2) (v)
3) (i)
4) (iii)
5) (v)
6) (i)
7) (ii)
8) (v)
9) (iv)
10) (ii)
11) (iii)
12) (i)
13) (iii)
14) (v)
15) (ii)
16) (v)
17) (iv)
18) (i)
19) (v)
20) (i)
21) (ii)
22) (ii)
23) (iii)
24) (iv)
25) (v)