EduSahara™ Worksheet

Question 1

1.

Express
5
7
as a decimal correct to 1 decimal places

(i)

0.6
(ii)

0.9
(iii)

0.8
(iv)

0.7
(v)

0.5

Question 2

2.

Express
1
9
as a decimal correct to 2 decimal places

(i)

0.31
(ii)

-0.09
(iii)

0.11
(iv)

0.21
(v)

0.01

Question 3

3.

Express
9
8
as a decimal correct to 3 decimal places

(i)

1.225
(ii)

0.925
(iii)

1.125
(iv)

1.325
(v)

1.025

Question 4

4.

Express
99
34
as a decimal correct to 1 decimal places

(i)

2.8
(ii)

3.1
(iii)

3
(iv)

2.7
(v)

2.9

Question 5

5.

Express
990
973
as a decimal correct to 3 decimal places

(i)

1.217
(ii)

0.917
(iii)

1.117
(iv)

1.017
(v)

0.817

Question 6

6.

Express
2430
7483
as a decimal correct to 4 decimal places

(i)

0.2247
(ii)

0.4247
(iii)

0.1247
(iv)

0.3247
(v)

0.5247

Question 7

7.

Find the period of the recurring decimal
15.
4

(i)

40
(ii)

2
(iii)

1
(iv)

0
(v)

4

Question 8

8.

Find the period of the recurring decimal
25.05555555555555...

(i)

50
(ii)

0
(iii)

5
(iv)

2
(v)

1

Question 9

9.

Find the periodicity of the recurring decimal
3.
2

(i)

0
(ii)

-1
(iii)

2
(iv)

1

Question 10

10.

Find the periodicity of the recurring decimal
1.44444444444444...

(i)

0
(ii)

-1
(iii)

4
(iv)

2
(v)

1

Question 11

11.

The recurring part of the decimal
0.
3
is

(i)

3
(ii)

33
(iii)

330
(iv)

0.3
(v)

333

Question 12

12.

The recurring part of the decimal
0.33333333333333...
is

(i)

333
(ii)

3
(iii)

33
(iv)

0.3
(v)

330

Question 13

13.

Convert the non-terminating recurring decimal
0.
3
to rational number

(i)

(
-1
3
)
(ii)

1
5
(iii)

1
3
(iv)

1

Question 14

14.

Convert the non-terminating recurring decimal
3.44444444444444...

to rational number

(i)

29
9
(ii)

31
9
(iii)

11
3
(iv)

31
11
(v)

31
7

Question 15

15.

Convert the fraction
85
21
to non-terminating recurring decimal

(i)

4.
047619
(ii)

0.
04
(iii)

40.
476190
(iv)

404.
761904
(v)

0.4
047619

Question 16

16.

Convert the fraction
161
9
to non-terminating recurring decimal

(i)

178.
8
(ii)

1.7
8
(iii)

1788.
8
(iv)

17.
8
(v)

0.17
8

Question 17

17.

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

(i)

141
1
(ii)

1
3
(iii)

280
1
(iv)

2660
320
(v)

4480
32

Question 18

18.

Which of the following fractions converts to a terminating decimal?

(i)

2
57
(ii)

1
3
(iii)

2100
64
(iv)

1
33
(v)

343
18

Question 19

19.

Which of the following is an irrational number?

(i)

9.6111
(ii)

1
(iii)

7
12
(iv)

21
(v)

3
√

83

Question 20

20.

Which of the following is a rational number?

(i)

8
14
(ii)

√

41
(iii)

3
√

68
(iv)

√

29
(v)

√

55

Question 21

21.

Express
7
9
as a decimal correct to 2 decimal places

(i)

7.78
(ii)

0.58
(iii)

0.88
(iv)

0.78
(v)

0.08

Question 22

22.

Express
16
3
as a decimal correct to 2 decimal places

(i)

53.33
(ii)

0.53
(iii)

5.33
(iv)

5.13
(v)

5.43

Question 23

23.

Express
49
39
as a decimal correct to 2 decimal places

(i)

0.13
(ii)

1.36
(iii)

1.26
(iv)

1.06
(v)

12.56

Question 24

24.

Express
1
59
as a decimal correct to 2 decimal places

(i)

0.12
(ii)

0.02
(iii)

0.17
(iv)

0
(v)

-0.18

Question 25

25.

Express
1
10
as a decimal correct to 1 decimal places

(i)

1
(ii)

0
(iii)

-0.1
(iv)

0.2
(v)

0.1

Question 26

26.

Express
51
100
as a decimal correct to 2 decimal places

(i)

0.61
(ii)

5.1
(iii)

0.51
(iv)

0.05
(v)

0.31

Question 27

27.

Express
823
1000
as a decimal correct to 3 decimal places

(i)

0.082
(ii)

0.623
(iii)

0.823
(iv)

8.23
(v)

0.923

Question 28

28.

Express
8399
10000
as a decimal correct to 4 decimal places

(i)

8.399
(ii)

0.9399
(iii)

0.084
(iv)

0.8399
(v)

0.6399

Question 29

29.

6.8 =

(i)

17
25
(ii)

680
(iii)

17
250
(iv)

34
5
(v)

68

Question 30

30.

1.1 =

(i)

11
(ii)

11
10
(iii)

110
(iv)

11
1000
(v)

11
100

Question 31

31.

2.50 =

(i)

5
2
(ii)

250
(iii)

1
40
(iv)

1
4
(v)

25

Question 32

32.

3.531 =

(i)

3531
10000
(ii)

3531
100000
(iii)

3531
1000
(iv)

3531
100
(v)

3531
10

Question 33

33.

5.8 =

(i)

580
(ii)

29
50
(iii)

29
500
(iv)

29
5
(v)

58

Question 34

34.

6.19 =

(i)

619
1000
(ii)

619
100
(iii)

619
10
(iv)

619
(v)

619
10000

Question 35

35.

1.47 =

(i)

147
100
(ii)

147
10
(iii)

147
1000
(iv)

147
(v)

147
10000

Question 36

36.

10.832 =

(i)

5416
5
(ii)

1354
125
(iii)

2708
25
(iv)

677
625
(v)

677
6250

Question 37

37.

Express
10
9
as a decimal correct to 4 decimal places

(i)

1.2111
(ii)

1.1111
(iii)

0.9111
(iv)

1.3111
(v)

1.0111

Question 38

38.

Express
57
65
as a decimal correct to 2 decimal places

(i)

0.88
(ii)

0.98
(iii)

1.08
(iv)

0.68
(v)

0.78

Question 39

39.

Express
12
41
as a decimal correct to 3 decimal places

(i)

0.293
(ii)

0.093
(iii)

0.393
(iv)

0.193
(v)

0.493

Question 40

40.

Express
40
93
as a decimal correct to 4 decimal places

(i)

0.6301
(ii)

0.4301
(iii)

0.3301
(iv)

0.5301
(v)

0.2301

Assignment Key