EduSahara™ Worksheet

Question 1

1.

The recurring part of the decimal
18.
4
is

(i)

444
(ii)

441
(iii)

18.4
(iv)

4
(v)

44

Question 2

2.

The recurring part of the decimal
17.77777777777777...
is

(i)

7
(ii)

17.7
(iii)

77
(iv)

777
(v)

771

Question 3

3.

Convert the non-terminating recurring decimal
21.
407
to rational number

(i)

64
3
(ii)

578
29
(iii)

578
25
(iv)

580
27
(v)

578
27

Question 4

4.

Convert the non-terminating recurring decimal
5.55555555555555...

to rational number

(i)

50
11
(ii)

50
7
(iii)

50
9
(iv)

16
3
(v)

52
9

Question 5

5.

Convert the fraction
1
3
to non-terminating recurring decimal

(i)

3.
3
(ii)

0.0
3
(iii)

0.
3
(iv)

0.
0
(v)

33.
3

Question 6

6.

Convert the fraction
142
27
to non-terminating recurring decimal

(i)

0.5
259
(ii)

0.05
259
(iii)

5.
259
(iv)

525.
925
(v)

52.
592

Question 7

7.

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

(i)

2310
50
(ii)

936
5
(iii)

151
9
(iv)

473
5
(v)

3744
40

Question 8

8.

Which of the following fractions converts to a terminating decimal?

(i)

101
9
(ii)

202
135
(iii)

101
153
(iv)

4200
40
(v)

311
18

Question 9

9.

Which of the following is an irrational number?

(i)

25
(ii)

6
(iii)

3
√

13
(iv)

27.8519
(v)

22
30

Question 10

10.

Which of the following is a rational number?

(i)

3
√

90
(ii)

2
19
(iii)

√

51
(iv)

3
√

43
(v)

√

30

Question 11

11.

Express
3
10
as a decimal correct to 1 decimal places

(i)

0.4
(ii)

3
(iii)

0.3
(iv)

0.1
(v)

0

Question 12

12.

Express
43
100
as a decimal correct to 2 decimal places

(i)

0.23
(ii)

0.04
(iii)

0.43
(iv)

4.3
(v)

0.53

Question 13

13.

Express
853
1000
as a decimal correct to 3 decimal places

(i)

0.085
(ii)

0.653
(iii)

8.53
(iv)

0.853
(v)

0.953

Question 14

14.

Express
9851
10000
as a decimal correct to 4 decimal places

(i)

9.851
(ii)

0.7851
(iii)

1.0851
(iv)

0.9851
(v)

0.0985

Question 15

15.

6.7 =

(i)

67
(ii)

67
100
(iii)

67
1000
(iv)

67
10
(v)

670

Question 16

16.

2.5 =

(i)

1
40
(ii)

250
(iii)

5
2
(iv)

25
(v)

1
4

Question 17

17.

7.85 =

(i)

157
2000
(ii)

157
2
(iii)

157
200
(iv)

157
20
(v)

785

Question 18

18.

4.457 =

(i)

4457
1000
(ii)

4457
100000
(iii)

4457
10000
(iv)

4457
100
(v)

4457
10

Question 19

19.

6.6 =

(i)

33
50
(ii)

66
(iii)

33
5
(iv)

33
500
(v)

660

Question 20

20.

10.10 =

(i)

101
100
(ii)

101
1000
(iii)

101
(iv)

101
10
(v)

1010

Question 21

21.

6.40 =

(i)

16
25
(ii)

64
(iii)

8
125
(iv)

640
(v)

32
5

Question 22

22.

6.336 =

(i)

792
125
(ii)

1584
25
(iii)

3168
5
(iv)

198
3125
(v)

396
625

Question 23

23.

Which of the following symbols represent the set of Natural numbers ?

(i)

Q
(ii)

Z
(iii)

W
(iv)

N
(v)

Q'

Question 24

24.

Which of the following symbols represent the set of Whole numbers ?

(i)

Q'
(ii)

W
(iii)

N
(iv)

R
(v)

Q

Question 25

25.

Which of the following symbols represent the set of Integers ?

(i)

N
(ii)

R
(iii)

Q'
(iv)

Q
(v)

Z

Question 26

26.

Which of the following symbols represent the set of Rational numbers ?

(i)

N
(ii)

Q'
(iii)

W
(iv)

Q
(v)

R

Question 27

27.

Which of the following symbols represent the set of Irrational numbers ?

(i)

Z
(ii)

R
(iii)

W
(iv)

N
(v)

Q'

Question 28

28.

Which of the following symbols represent the set of Real numbers ?

(i)

Q
(ii)

N
(iii)

W
(iv)

Q'
(v)

R

Assignment Key