EduSahara™ Assignment
Name : Recurring and Non-recurring decimals
Chapter : Decimals
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Find the period of the recurring decimal
16.
2
(i)
2
(ii)
1
(iii)
20
(iv)
0
Question
2
2.
Find the period of the recurring decimal
30.44444444444444...
(i)
4
(ii)
40
(iii)
2
(iv)
0
(v)
1
Question
3
3.
Find the periodicity of the recurring decimal
0.
3
(i)
-1
(ii)
0
(iii)
2
(iv)
1
(v)
3
Question
4
4.
Find the periodicity of the recurring decimal
0.33333333333333...
(i)
0
(ii)
1
(iii)
2
(iv)
3
(v)
-1
Question
5
5.
The recurring part of the decimal
7.
074
is
(i)
07407
(ii)
074
(iii)
0740074
(iv)
074074
(v)
7.074
Question
6
6.
The recurring part of the decimal
7.14814814814814...
is
(i)
1481148
(ii)
14817
(iii)
148148
(iv)
7.148
(v)
148
Question
7
7.
Convert the non-terminating recurring decimal
2.
962
to rational number
(i)
80
27
(ii)
82
27
(iii)
26
9
(iv)
16
5
(v)
80
29
Question
8
8.
Convert the non-terminating recurring decimal
22.90476190476190...
to rational number
(i)
479
21
(ii)
481
19
(iii)
481
23
(iv)
23
(v)
481
21
Question
9
9.
Convert the fraction
1
3
to non-terminating recurring decimal
(i)
0.0
3
(ii)
33.
3
(iii)
0.
3
(iv)
3.
3
(v)
0.
0
Question
10
10.
Convert the fraction
292
27
to non-terminating recurring decimal
(i)
108.
148
(ii)
1081.
481
(iii)
1.0
814
(iv)
10.
814
(v)
0.10
814
Question
11
11.
Which of the following fractions converts to a non-terminating recurring decimal?
(i)
1615
8
(ii)
4522
40
(iii)
6460
64
(iv)
1631
16
(v)
239
18
Question
12
12.
Which of the following fractions converts to a terminating decimal?
(i)
97
9
(ii)
146
99
(iii)
1200
125
(iv)
146
9
(v)
73
45
Question
13
13.
Which of the following is a pure recurring decimal?
(i)
0.43333333333333...
(ii)
19.38888888888888...
(iii)
20.55555555555555...
(iv)
11.61111111111111...
(v)
27.38888888888888...
Question
14
14.
Which of the following is a mixed recurring decimal?
(i)
21.88888888888888...
(ii)
26.05555555555555...
(iii)
8.88888888888888...
(iv)
22.85185185185185...
(v)
0.33333333333333...
Question
15
15.
Find the period of the recurring decimal
19.0
5
(i)
0
(ii)
2
(iii)
5
(iv)
50
(v)
1
Question
16
16.
Find the period of the recurring decimal
17.22222222222222...
(i)
2
(ii)
20
(iii)
1
(iv)
0
Question
17
17.
Find the periodicity of the recurring decimal
15.
629
(i)
1
(ii)
629
(iii)
2
(iv)
3
(v)
4
Question
18
18.
Find the periodicity of the recurring decimal
29.88888888888888...
(i)
1
(ii)
2
(iii)
8
(iv)
-1
(v)
0
Question
19
19.
The recurring part of the decimal
13.
238095
is
(i)
23809521
(ii)
13.238095
(iii)
238095238095
(iv)
2380952238095
(v)
238095
Question
20
20.
The recurring part of the decimal
6.23809523809523...
is
(i)
238095238095
(ii)
6.238095
(iii)
2380952238095
(iv)
23809526
(v)
238095
Question
21
21.
Convert the non-terminating recurring decimal
15.
8
to rational number
(i)
47
3
(ii)
145
9
(iii)
143
7
(iv)
143
9
(v)
13
Question
22
22.
Convert the non-terminating recurring decimal
4.22222222222222...
to rational number
(i)
40
9
(ii)
4
(iii)
38
11
(iv)
38
9
(v)
38
7
Question
23
23.
Convert the fraction
14
9
to non-terminating recurring decimal
(i)
0.1
5
(ii)
1.
5
(iii)
15.
5
(iv)
155.
5
(v)
0.01
5
Question
24
24.
Convert the fraction
22
21
to non-terminating recurring decimal
(i)
104.
761904
(ii)
10.
476190
(iii)
1.
047619
(iv)
0.1
047619
(v)
0.01
047619
Question
25
25.
Which of the following fractions converts to a non-terminating recurring decimal?
(i)
285
32
(ii)
349
64
(iii)
4845
16
(iv)
307
18
(v)
2280
512
Question
26
26.
Which of the following fractions converts to a terminating decimal?
(i)
349
18
(ii)
325
342
(iii)
65
18
(iv)
325
18
(v)
3300
100
Question
27
27.
Which of the following is a pure recurring decimal?
(i)
0.43333333333333...
(ii)
7.72222222222222...
(iii)
25.27777777777777...
(iv)
28.44444444444444...
(v)
19.05555555555555...
Question
28
28.
Which of the following is a mixed recurring decimal?
(i)
0.33333333333333...
(ii)
30.88888888888888...
(iii)
2.22222222222222...
(iv)
3.72222222222222...
(v)
5.92592592592592...
Assignment Key
1) (i)
2) (i)
3) (iv)
4) (ii)
5) (ii)
6) (v)
7) (i)
8) (v)
9) (iii)
10) (iv)
11) (v)
12) (iii)
13) (iii)
14) (ii)
15) (iii)
16) (i)
17) (iv)
18) (i)
19) (v)
20) (v)
21) (iv)
22) (iv)
23) (ii)
24) (iii)
25) (iv)
26) (v)
27) (iv)
28) (iv)