EduSahara™ Worksheet

Question 1

1.

Express
1
10
as a decimal correct to 1 decimal places

(i)

-0.1
(ii)

0
(iii)

0.3
(iv)

0.2
(v)

0.1

Question 2

2.

Express
3
7
as a decimal correct to 2 decimal places

(i)

0.23
(ii)

0.63
(iii)

0.53
(iv)

0.33
(v)

0.43

Question 3

3.

Express
5
6
as a decimal correct to 3 decimal places

(i)

1.033
(ii)

0.933
(iii)

0.733
(iv)

0.833
(v)

0.633

Question 4

4.

Express
97
15
as a decimal correct to 1 decimal places

(i)

6.4
(ii)

6.6
(iii)

6.5
(iv)

6.7
(v)

6.3

Question 5

5.

Express
179
382
as a decimal correct to 3 decimal places

(i)

0.469
(ii)

0.269
(iii)

0.669
(iv)

0.369
(v)

0.569

Question 6

6.

Express
1243
4959
as a decimal correct to 4 decimal places

(i)

0.1507
(ii)

0.3507
(iii)

0.0507
(iv)

0.4507
(v)

0.2507

Question 7

7.

Find the period of the recurring decimal
18.3
8

(i)

0
(ii)

80
(iii)

1
(iv)

8
(v)

2

Question 8

8.

Find the period of the recurring decimal
14.44444444444444...

(i)

4
(ii)

0
(iii)

40
(iv)

1
(v)

2

Question 9

9.

Find the periodicity of the recurring decimal
12.
7

(i)

-1
(ii)

2
(iii)

0
(iv)

7
(v)

1

Question 10

10.

Find the periodicity of the recurring decimal
27.77777777777777...

(i)

2
(ii)

1
(iii)

7
(iv)

-1
(v)

0

Question 11

11.

The recurring part of the decimal
28.
296
is

(i)

296
(ii)

29622
(iii)

28.296
(iv)

296296
(v)

2962296

Question 12

12.

The recurring part of the decimal
0.33333333333333...
is

(i)

330
(ii)

33
(iii)

3
(iv)

0.3
(v)

333

Question 13

13.

Convert the non-terminating recurring decimal
8.
809523
to rational number

(i)

187
21
(ii)

185
19
(iii)

185
23
(iv)

61
7
(v)

185
21

Question 14

14.

Convert the non-terminating recurring decimal
23.77777777777777...

to rational number

(i)

214
11
(ii)

212
9
(iii)

214
7
(iv)

214
9
(v)

24

Question 15

15.

Convert the fraction
185
9
to non-terminating recurring decimal

(i)

2.0
5
(ii)

20.
5
(iii)

2055.
5
(iv)

205.
5
(v)

0.20
5

Question 16

16.

Convert the fraction
236
21
to non-terminating recurring decimal

(i)

0.
1
(ii)

112.
380952
(iii)

1.1
238095
(iv)

1123.
809523
(v)

11.
238095

Question 17

17.

Which of the following fractions converts to a non-terminating recurring decimal?

(i)

181
16
(ii)

1820
80
(iii)

1650
160
(iv)

367
18
(v)

165
8

Question 18

18.

Which of the following fractions converts to a terminating decimal?

(i)

1
57
(ii)

3672
100
(iii)

1
24
(iv)

1
3

Question 19

19.

Which of the following is an irrational number?

(i)

4
(ii)

6
21
(iii)

3
√

77
(iv)

3.2963

Question 20

20.

Which of the following is a rational number?

(i)

3
√

83
(ii)

√

41
(iii)

3
√

19
(iv)

2
3
(v)

√

18

Question 21

21.

Express
1
4
as a decimal correct to 2 decimal places

(i)

0.35
(ii)

0.25
(iii)

2.5
(iv)

0.05
(v)

0.03

Question 22

22.

Express
18
11
as a decimal correct to 2 decimal places

(i)

1.44
(ii)

1.74
(iii)

1.64
(iv)

0.16
(v)

16.36

Question 23

23.

Express
39
41
as a decimal correct to 2 decimal places

(i)

0.75
(ii)

0.95
(iii)

9.51
(iv)

0.1
(v)

1.05

Question 24

24.

Express
79
75
as a decimal correct to 2 decimal places

(i)

0.85
(ii)

1.05
(iii)

0.11
(iv)

10.53
(v)

1.15

Question 25

25.

Express
1
10
as a decimal correct to 1 decimal places

(i)

1
(ii)

-0.1
(iii)

0
(iv)

0.2
(v)

0.1

Question 26

26.

Express
69
100
as a decimal correct to 2 decimal places

(i)

0.49
(ii)

6.9
(iii)

0.07
(iv)

0.79
(v)

0.69

Question 27

27.

Express
199
1000
as a decimal correct to 3 decimal places

(i)

1.99
(ii)

-0.001
(iii)

0.199
(iv)

0.02
(v)

0.299

Question 28

28.

Express
1627
10000
as a decimal correct to 4 decimal places

(i)

0.2627
(ii)

0.1627
(iii)

-0.0373
(iv)

1.627
(v)

0.0163

Question 29

29.

1.6 =

(i)

4
25
(ii)

160
(iii)

16
(iv)

8
5
(v)

2
125

Question 30

30.

2.4 =

(i)

240
(ii)

12
5
(iii)

6
25
(iv)

24
(v)

3
125

Question 31

31.

16.31 =

(i)

1631
1000
(ii)

1631
10000
(iii)

1631
(iv)

1631
10
(v)

1631
100

Question 32

32.

8.480 =

(i)

848
(ii)

106
125
(iii)

53
625
(iv)

212
25
(v)

424
5

Question 33

33.

4.5 =

(i)

9
200
(ii)

9
2
(iii)

45
(iv)

450
(v)

9
20

Question 34

34.

5.19 =

(i)

519
10000
(ii)

519
100
(iii)

519
1000
(iv)

519
(v)

519
10

Question 35

35.

17.66 =

(i)

883
500
(ii)

883
5000
(iii)

883
5
(iv)

1766
(v)

883
50

Question 36

36.

4.219 =

(i)

4219
100
(ii)

4219
1000
(iii)

4219
10
(iv)

4219
10000
(v)

4219
100000

Question 37

37.

Express
4
3
as a decimal correct to 4 decimal places

(i)

1.4333
(ii)

1.3333
(iii)

1.1333
(iv)

1.2333
(v)

1.5333

Question 38

38.

Express
71
98
as a decimal correct to 2 decimal places

(i)

0.62
(ii)

0.92
(iii)

0.72
(iv)

0.82
(v)

0.52

Question 39

39.

Express
11
90
as a decimal correct to 3 decimal places

(i)

-0.078
(ii)

0.122
(iii)

0.322
(iv)

0.022
(v)

0.222

Question 40

40.

Express
16
17
as a decimal correct to 4 decimal places

(i)

0.9412
(ii)

0.7412
(iii)

0.8412
(iv)

1.1412
(v)

1.0412

Assignment Key