EduSahara™ Worksheet

Question 1

1.

Express
1
10
as a decimal correct to 1 decimal places

(i)

-0.1
(ii)

1
(iii)

0.2
(iv)

0
(v)

0.1

Question 2

2.

Express
83
100
as a decimal correct to 2 decimal places

(i)

0.63
(ii)

0.08
(iii)

0.83
(iv)

8.3
(v)

0.93

Question 3

3.

Express
623
1000
as a decimal correct to 3 decimal places

(i)

0.062
(ii)

0.423
(iii)

0.723
(iv)

0.623
(v)

6.23

Question 4

4.

Express
5019
10000
as a decimal correct to 4 decimal places

(i)

0.3019
(ii)

0.0502
(iii)

0.5019
(iv)

5.019
(v)

0.6019

Question 5

5.

6.9 =

(i)

69
1000
(ii)

690
(iii)

69
100
(iv)

69
10
(v)

69

Question 6

6.

4.0 =

(i)

2
5
(ii)

40
(iii)

4
1
(iv)

1
25
(v)

400

Question 7

7.

18.28 =

(i)

457
2500
(ii)

457
25
(iii)

1828
(iv)

914
5
(v)

457
250

Question 8

8.

1.699 =

(i)

1699
10000
(ii)

1699
10
(iii)

1699
1000
(iv)

1699
100
(v)

1699
100000

Question 9

9.

1.1 =

(i)

11
1000
(ii)

110
(iii)

11
10
(iv)

11
(v)

11
100

Question 10

10.

7.19 =

(i)

719
100
(ii)

719
(iii)

719
1000
(iv)

719
10
(v)

719
10000

Question 11

11.

11.66 =

(i)

583
500
(ii)

583
50
(iii)

583
5000
(iv)

583
5
(v)

1166

Question 12

12.

9.790 =

(i)

979
100
(ii)

979
(iii)

979
10
(iv)

979
1000
(v)

979
10000

Question 13

13.

Express
6
5
as a decimal correct to 1 decimal places

(i)

1
(ii)

1.1
(iii)

1.2
(iv)

1.3
(v)

1.4

Question 14

14.

Express
3
7
as a decimal correct to 2 decimal places

(i)

0.33
(ii)

0.53
(iii)

0.63
(iv)

0.23
(v)

0.43

Question 15

15.

Express
1
10
as a decimal correct to 3 decimal places

(i)

0.1
(ii)

-0.1
(iii)

0.3
(iv)

0.2
(v)

0

Question 16

16.

Express
1
9
as a decimal correct to 4 decimal places

(i)

-0.0889
(ii)

0.0111
(iii)

0.1111
(iv)

0.2111
(v)

0.3111

Question 17

17.

Express
28
53
as a decimal correct to 1 decimal places

(i)

0.3
(ii)

0.5
(iii)

0.7
(iv)

0.6
(v)

0.4

Question 18

18.

Find the period of the recurring decimal
19.
2

(i)

20
(ii)

2
(iii)

1
(iv)

0

Question 19

19.

Find the period of the recurring decimal
25.51851851851851...

(i)

4
(ii)

51
(iii)

518
(iv)

5180
(v)

3

Question 20

20.

Find the periodicity of the recurring decimal
19.
592

(i)

2
(ii)

592
(iii)

4
(iv)

1
(v)

3

Question 21

21.

Find the periodicity of the recurring decimal
14.70370370370370...

(i)

3
(ii)

703
(iii)

2
(iv)

4
(v)

1

Question 22

22.

The recurring part of the decimal
2.
238095
is

(i)

23809522
(ii)

2380952238095
(iii)

238095238095
(iv)

2.238095
(v)

238095

Question 23

23.

The recurring part of the decimal
25.37037037037037...
is

(i)

370370
(ii)

25.370
(iii)

3703370
(iv)

37032
(v)

370

Question 24

24.

Convert the non-terminating recurring decimal
27.
851
to rational number

(i)

752
27
(ii)

250
9
(iii)

752
29
(iv)

754
27
(v)

752
25

Question 25

25.

Convert the non-terminating recurring decimal
23.76190476190476...

to rational number

(i)

499
19
(ii)

167
7
(iii)

499
21
(iv)

499
23
(v)

71
3

Question 26

26.

Convert the fraction
227
27
to non-terminating recurring decimal

(i)

8.
407
(ii)

840.
740
(iii)

0.8
407
(iv)

0.08
407
(v)

84.
074

Question 27

27.

Convert the fraction
278
9
to non-terminating recurring decimal

(i)

308.
8
(ii)

3.0
8
(iii)

3088.
8
(iv)

0.30
8
(v)

30.
8

Question 28

28.

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

(i)

3060
80
(ii)

2508
16
(iii)

109
9
(iv)

153
2
(v)

157
4

Question 29

29.

Which of the following fractions converts to a terminating decimal?

(i)

197
135
(ii)

197
324
(iii)

2310
160
(iv)

197
18
(v)

133
9

Question 30

30.

Which of the following is an irrational number?

(i)

18
(ii)

27.0556
(iii)

√

53
(iv)

23
24
(v)

2

Question 31

31.

Which of the following is a rational number?

(i)

3
√

56
(ii)

1
17
(iii)

√

66
(iv)

3
√

84
(v)

√

74

Question 32

32.

Which of the following is a decimal fraction?

(i)

13

13
15
(ii)

4
6
(iii)

12
11
(iv)

14

1
17
(v)

5
10

Question 33

33.

Which of the following is a decimal fraction?

(i)

1
2
(ii)

15
14
(iii)

14

1
3
(iv)

7
100
(v)

5

8
11

Question 34

34.

Which of the following is a decimal fraction?

(i)

4
15
(ii)

3

6
7
(iii)

18
17
(iv)

8

1
18
(v)

2
1000

Question 35

35.

Which of the following is a decimal fraction?

(i)

21

1
2
(ii)

2
3
(iii)

2
10000
(iv)

15

8
13
(v)

13
11

Assignment Key