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
4.
8
(i)
1
(ii)
2
(iii)
0
(iv)
80
(v)
8
Question
2
2.
Find the period of the recurring decimal
0.33333333333333...
(i)
2
(ii)
0
(iii)
1
(iv)
3
(v)
30
Question
3
3.
Find the periodicity of the recurring decimal
26.
2
(i)
2
(ii)
1
(iii)
-1
(iv)
0
Question
4
4.
Find the periodicity of the recurring decimal
23.14814814814814...
(i)
1
(ii)
3
(iii)
148
(iv)
2
(v)
4
Question
5
5.
The recurring part of the decimal
6.
8
is
(i)
886
(ii)
888
(iii)
88
(iv)
6.8
(v)
8
Question
6
6.
The recurring part of the decimal
15.18518518518518...
is
(i)
185185
(ii)
18511
(iii)
15.185
(iv)
1851185
(v)
185
Question
7
7.
Convert the non-terminating recurring decimal
21.
8
to rational number
(i)
197
7
(ii)
197
9
(iii)
197
11
(iv)
199
9
(v)
65
3
Question
8
8.
Convert the non-terminating recurring decimal
3.51851851851851...
to rational number
(i)
95
29
(ii)
95
27
(iii)
19
5
(iv)
31
9
(v)
97
27
Question
9
9.
Convert the fraction
509
27
to non-terminating recurring decimal
(i)
0.1
8
(ii)
1885.
185
(iii)
1.
8
(iv)
188.
518
(v)
18.
851
Question
10
10.
Convert the fraction
1
3
to non-terminating recurring decimal
(i)
3.
3
(ii)
0.
0
(iii)
33.
3
(iv)
0.
3
(v)
0.0
3
Question
11
11.
Which of the following fractions converts to a non-terminating recurring decimal?
(i)
24
1
(ii)
13
1
(iii)
2816
160
(iv)
269
18
(v)
3840
320
Question
12
12.
Which of the following fractions converts to a terminating decimal?
(i)
151
9
(ii)
1
3
(iii)
151
153
(iv)
302
171
(v)
4446
32
Question
13
13.
Which of the following is a pure recurring decimal?
(i)
13.61111111111111...
(ii)
16.61111111111111...
(iii)
12.05555555555555...
(iv)
6.05555555555555...
(v)
27.92592592592592...
Question
14
14.
Which of the following is a mixed recurring decimal?
(i)
17.77777777777777...
(ii)
3.38888888888888...
(iii)
14.55555555555555...
(iv)
29.07407407407407...
(v)
17.55555555555555...
Question
15
15.
Find the period of the recurring decimal
28.
1
(i)
10
(ii)
2
(iii)
1
(iv)
0
Question
16
16.
Find the period of the recurring decimal
0.33333333333333...
(i)
3
(ii)
30
(iii)
2
(iv)
1
(v)
0
Question
17
17.
Find the periodicity of the recurring decimal
10.
4
(i)
1
(ii)
2
(iii)
-1
(iv)
4
(v)
0
Question
18
18.
Find the periodicity of the recurring decimal
28.70370370370370...
(i)
4
(ii)
1
(iii)
703
(iv)
3
(v)
2
Question
19
19.
The recurring part of the decimal
10.
952380
is
(i)
952380
(ii)
95238091
(iii)
9523809952380
(iv)
952380952380
(v)
10.952380
Question
20
20.
The recurring part of the decimal
15.19047619047618...
is
(i)
190476190476
(ii)
1904761190476
(iii)
19047611
(iv)
15.190476
(v)
190476
Question
21
21.
Convert the non-terminating recurring decimal
23.2
7
to rational number
(i)
419
18
(ii)
419
16
(iii)
419
20
(iv)
139
6
(v)
421
18
Question
22
22.
Convert the non-terminating recurring decimal
7.27777777777777...
to rational number
(i)
131
20
(ii)
131
16
(iii)
133
18
(iv)
43
6
(v)
131
18
Question
23
23.
Convert the fraction
478
21
to non-terminating recurring decimal
(i)
227.
619047
(ii)
22.
761904
(iii)
0.
2
(iv)
2.2
761904
(v)
2276.
190476
Question
24
24.
Convert the fraction
244
21
to non-terminating recurring decimal
(i)
0.
1
(ii)
1.1
619047
(iii)
1161.
904761
(iv)
11.
619047
(v)
116.
190476
Question
25
25.
Which of the following fractions converts to a non-terminating recurring decimal?
(i)
277
4
(ii)
1210
256
(iii)
2184
32
(iv)
319
18
(v)
273
2
Question
26
26.
Which of the following fractions converts to a terminating decimal?
(i)
118
9
(ii)
1815
160
(iii)
323
18
(iv)
59
81
(v)
236
117
Question
27
27.
Which of the following is a pure recurring decimal?
(i)
12.61111111111111...
(ii)
4.94444444444444...
(iii)
14.61111111111111...
(iv)
30.72222222222222...
(v)
14.88888888888888...
Question
28
28.
Which of the following is a mixed recurring decimal?
(i)
4.61111111111111...
(ii)
0.33333333333333...
(iii)
14.04761904761904...
(iv)
14.76190476190476...
(v)
5.44444444444444...
Assignment Key
1) (v)
2) (iv)
3) (ii)
4) (ii)
5) (v)
6) (v)
7) (ii)
8) (ii)
9) (v)
10) (iv)
11) (iv)
12) (v)
13) (v)
14) (ii)
15) (iii)
16) (i)
17) (i)
18) (iv)
19) (i)
20) (v)
21) (i)
22) (v)
23) (ii)
24) (iv)
25) (iv)
26) (ii)
27) (v)
28) (i)