EduSahara™ Worksheet

Question 1

1.

Express
7
10
as a decimal correct to 1 decimal places

(i)

7
(ii)

0.5
(iii)

0.7
(iv)

0.1
(v)

0.8

Question 2

2.

Express
63
100
as a decimal correct to 2 decimal places

(i)

0.43
(ii)

0.73
(iii)

6.3
(iv)

0.06
(v)

0.63

Question 3

3.

Express
563
1000
as a decimal correct to 3 decimal places

(i)

0.363
(ii)

0.663
(iii)

0.563
(iv)

0.056
(v)

5.63

Question 4

4.

Express
5711
10000
as a decimal correct to 4 decimal places

(i)

0.5711
(ii)

0.3711
(iii)

5.711
(iv)

0.0571
(v)

0.6711

Question 5

5.

2.8 =

(i)

14
5
(ii)

280
(iii)

28
(iv)

7
250
(v)

7
25

Question 6

6.

9.6 =

(i)

96
(ii)

48
5
(iii)

24
25
(iv)

12
125
(v)

960

Question 7

7.

17.57 =

(i)

1757
(ii)

1757
10000
(iii)

1757
100
(iv)

1757
1000
(v)

1757
10

Question 8

8.

5.495 =

(i)

1099
20000
(ii)

1099
20
(iii)

1099
2
(iv)

1099
200
(v)

1099
2000

Question 9

9.

1.1 =

(i)

11
(ii)

11
10
(iii)

110
(iv)

11
1000
(v)

11
100

Question 10

10.

4.11 =

(i)

411
10000
(ii)

411
100
(iii)

411
10
(iv)

411
1000
(v)

411

Question 11

11.

10.59 =

(i)

1059
10
(ii)

1059
1000
(iii)

1059
10000
(iv)

1059
(v)

1059
100

Question 12

12.

2.563 =

(i)

2563
1000
(ii)

2563
10
(iii)

2563
10000
(iv)

2563
100000
(v)

2563
100

Question 13

13.

Express
3
10
as a decimal correct to 1 decimal places

(i)

0.3
(ii)

0.2
(iii)

0.4
(iv)

0.1
(v)

0.5

Question 14

14.

Express
6
7
as a decimal correct to 2 decimal places

(i)

0.86
(ii)

0.76
(iii)

0.66
(iv)

1.06
(v)

0.96

Question 15

15.

Express
3
10
as a decimal correct to 3 decimal places

(i)

0.3
(ii)

0.5
(iii)

0.1
(iv)

0.4
(v)

0.2

Question 16

16.

Express
8
3
as a decimal correct to 4 decimal places

(i)

2.8667
(ii)

2.4667
(iii)

2.7667
(iv)

2.5667
(v)

2.6667

Question 17

17.

Express
39
61
as a decimal correct to 1 decimal places

(i)

0.5
(ii)

0.4
(iii)

0.7
(iv)

0.8
(v)

0.6

Question 18

18.

Find the period of the recurring decimal
27.
952380

(i)

7
(ii)

9523800
(iii)

952380
(iv)

6
(v)

95238

Question 19

19.

Find the period of the recurring decimal
21.90476190476190...

(i)

90476
(ii)

6
(iii)

7
(iv)

904761
(v)

9047610

Question 20

20.

Find the periodicity of the recurring decimal
28.
1

(i)

-1
(ii)

0
(iii)

1
(iv)

2

Question 21

21.

Find the periodicity of the recurring decimal
0.33333333333333...

(i)

1
(ii)

0
(iii)

-1
(iv)

2
(v)

3

Question 22

22.

The recurring part of the decimal
30.
592
is

(i)

5925592
(ii)

59253
(iii)

592592
(iv)

30.592
(v)

592

Question 23

23.

The recurring part of the decimal
21.44444444444444...
is

(i)

444
(ii)

21.4
(iii)

442
(iv)

44
(v)

4

Question 24

24.

Convert the non-terminating recurring decimal
19.
5
to rational number

(i)

178
9
(ii)

176
9
(iii)

16
(iv)

176
7
(v)

58
3

Question 25

25.

Convert the non-terminating recurring decimal
0.33333333333333...

to rational number

(i)

1
(ii)

(
-1
3
)
(iii)

1
3
(iv)

1
5

Question 26

26.

Convert the fraction
179
9
to non-terminating recurring decimal

(i)

1988.
8
(ii)

19.
8
(iii)

1.9
8
(iv)

198.
8
(v)

0.19
8

Question 27

27.

Convert the fraction
187
21
to non-terminating recurring decimal

(i)

0.8
904761
(ii)

0.08
904761
(iii)

890.
476190
(iv)

8.
904761
(v)

89.
047619

Question 28

28.

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

(i)

197
8
(ii)

189
4
(iii)

2520
32
(iv)

3024
128
(v)

269
18

Question 29

29.

Which of the following fractions converts to a terminating decimal?

(i)

371
288
(ii)

371
171
(iii)

3840
20
(iv)

1
3
(v)

371
18

Question 30

30.

Which of the following is an irrational number?

(i)

(-9)
(ii)

18
22
(iii)

19.6111
(iv)

2
(v)

3
√

66

Question 31

31.

Which of the following is a rational number?

(i)

√

94
(ii)

13
20
(iii)

√

97
(iv)

3
√

39
(v)

√

75

Question 32

32.

Which of the following is a decimal fraction?

(i)

8
10
(ii)

16
7
(iii)

2
7
(iv)

19

8
19
(v)

14

6
7

Question 33

33.

Which of the following is a decimal fraction?

(i)

7
100
(ii)

19
15
(iii)

7

7
11
(iv)

21

1
2
(v)

9
17

Question 34

34.

Which of the following is a decimal fraction?

(i)

11
8
(ii)

2
1000
(iii)

4

5
6
(iv)

4
11
(v)

6

6
7

Question 35

35.

Which of the following is a decimal fraction?

(i)

4
14
(ii)

4
10000
(iii)

18

4
19
(iv)

12
5
(v)

12

13
18

Assignment Key