EduSahara™ Worksheet

Question 1

1.

Express
1
10
as a decimal correct to 1 decimal places

(i)

-0.1
(ii)

1
(iii)

0
(iv)

0.1
(v)

0.2

Question 2

2.

Express
19
100
as a decimal correct to 2 decimal places

(i)

0.29
(ii)

-0.01
(iii)

0.02
(iv)

1.9
(v)

0.19

Question 3

3.

Express
231
1000
as a decimal correct to 3 decimal places

(i)

0.023
(ii)

2.31
(iii)

0.331
(iv)

0.031
(v)

0.231

Question 4

4.

Express
8401
10000
as a decimal correct to 4 decimal places

(i)

0.084
(ii)

0.8401
(iii)

0.6401
(iv)

8.401
(v)

0.9401

Question 5

5.

9.9 =

(i)

99
10
(ii)

99
100
(iii)

990
(iv)

99
1000
(v)

99

Question 6

6.

7.1 =

(i)

710
(ii)

71
100
(iii)

71
1000
(iv)

71
10
(v)

71

Question 7

7.

16.85 =

(i)

1685
(ii)

337
20
(iii)

337
200
(iv)

337
2000
(v)

337
2

Question 8

8.

4.395 =

(i)

879
20
(ii)

879
2
(iii)

879
20000
(iv)

879
200
(v)

879
2000

Question 9

9.

10.1 =

(i)

101
(ii)

101
1000
(iii)

101
100
(iv)

1010
(v)

101
10

Question 10

10.

2.11 =

(i)

211
1000
(ii)

211
10
(iii)

211
(iv)

211
100
(v)

211
10000

Question 11

11.

7.94 =

(i)

397
5000
(ii)

397
50
(iii)

397
500
(iv)

397
5
(v)

794

Question 12

12.

4.195 =

(i)

839
2000
(ii)

839
200
(iii)

839
2
(iv)

839
20
(v)

839
20000

Question 13

13.

Express
3
5
as a decimal correct to 1 decimal places

(i)

0.7
(ii)

0.6
(iii)

0.4
(iv)

0.8
(v)

0.5

Question 14

14.

Express
1
4
as a decimal correct to 2 decimal places

(i)

0.05
(ii)

0.45
(iii)

0.35
(iv)

0.15
(v)

0.25

Question 15

15.

Express
10
3
as a decimal correct to 3 decimal places

(i)

3.433
(ii)

3.333
(iii)

3.133
(iv)

3.233
(v)

3.533

Question 16

16.

Express
7
9
as a decimal correct to 4 decimal places

(i)

0.7778
(ii)

0.6778
(iii)

0.9778
(iv)

0.8778
(v)

0.5778

Question 17

17.

Express
57
88
as a decimal correct to 1 decimal places

(i)

0.5
(ii)

0.8
(iii)

0.6
(iv)

0.7
(v)

0.4

Question 18

18.

Find the period of the recurring decimal
22.
8

(i)

1
(ii)

2
(iii)

80
(iv)

8
(v)

0

Question 19

19.

Find the period of the recurring decimal
2.11111111111111...

(i)

1
(ii)

10
(iii)

2
(iv)

0

Question 20

20.

Find the periodicity of the recurring decimal
10.
703

(i)

4
(ii)

2
(iii)

3
(iv)

703
(v)

1

Question 21

21.

Find the periodicity of the recurring decimal
4.88888888888888...

(i)

0
(ii)

8
(iii)

1
(iv)

2
(v)

-1

Question 22

22.

The recurring part of the decimal
27.
8
is

(i)

8
(ii)

882
(iii)

27.8
(iv)

88
(v)

888

Question 23

23.

The recurring part of the decimal
9.94444444444444...
is

(i)

449
(ii)

9.94
(iii)

4
(iv)

494
(v)

44

Question 24

24.

Convert the non-terminating recurring decimal
29.
814
to rational number

(i)

805
27
(ii)

803
27
(iii)

269
9
(iv)

161
5
(v)

805
29

Question 25

25.

Convert the non-terminating recurring decimal
10.44444444444444...

to rational number

(i)

32
3
(ii)

94
7
(iii)

94
11
(iv)

92
9
(v)

94
9

Question 26

26.

Convert the fraction
179
18
to non-terminating recurring decimal

(i)

0.
9
(ii)

9.9
4
(iii)

994.
4
(iv)

99.
4
(v)

0.0
9

Question 27

27.

Convert the fraction
77
18
to non-terminating recurring decimal

(i)

427.
7
(ii)

42.
7
(iii)

4.2
7
(iv)

0.42
7
(v)

0.042
7

Question 28

28.

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

(i)

2640
64
(ii)

169
4
(iii)

165
2
(iv)

2340
20
(v)

287
18

Question 29

29.

Which of the following fractions converts to a terminating decimal?

(i)

373
180
(ii)

373
18
(iii)

3808
16
(iv)

1
3
(v)

373
342

Question 30

30.

Which of the following is an irrational number?

(i)

5
(ii)

3
√

66
(iii)

22.7619
(iv)

26
(v)

6
26

Question 31

31.

Which of the following is a rational number?

(i)

6
11
(ii)

3
√

14
(iii)

√

66
(iv)

3
√

80
(v)

3
√

88

Question 32

32.

Which of the following is a decimal fraction?

(i)

7
10
(ii)

15

2
15
(iii)

19
12
(iv)

11

1
4
(v)

1
14

Question 33

33.

Which of the following is a decimal fraction?

(i)

4
16
(ii)

4
100
(iii)

17
16
(iv)

13

2
7
(v)

22

3
4

Question 34

34.

Which of the following is a decimal fraction?

(i)

8
13
(ii)

19

3
8
(iii)

5
2
(iv)

9
1000
(v)

12

4
11

Question 35

35.

Which of the following is a decimal fraction?

(i)

19

2
15
(ii)

4
7
(iii)

9
10000
(iv)

10

2
15
(v)

20
11

Assignment Key