EduSahara™ Worksheet

Question 1

1.

Express
7
10
as a decimal correct to 1 decimal places

(i)

0.8
(ii)

7
(iii)

0.1
(iv)

0.7
(v)

0.5

Question 2

2.

Express
73
100
as a decimal correct to 2 decimal places

(i)

0.53
(ii)

7.3
(iii)

0.07
(iv)

0.83
(v)

0.73

Question 3

3.

Express
473
1000
as a decimal correct to 3 decimal places

(i)

0.273
(ii)

0.473
(iii)

4.73
(iv)

0.573
(v)

0.047

Question 4

4.

Express
8061
10000
as a decimal correct to 4 decimal places

(i)

0.9061
(ii)

0.0806
(iii)

0.6061
(iv)

8.061
(v)

0.8061

Question 5

5.

4.8 =

(i)

6
125
(ii)

48
(iii)

480
(iv)

24
5
(v)

12
25

Question 6

6.

9.9 =

(i)

990
(ii)

99
100
(iii)

99
1000
(iv)

99
10
(v)

99

Question 7

7.

5.91 =

(i)

591
10000
(ii)

591
100
(iii)

591
10
(iv)

591
(v)

591
1000

Question 8

8.

7.238 =

(i)

3619
500
(ii)

3619
5
(iii)

3619
5000
(iv)

3619
50
(v)

3619
50000

Question 9

9.

2.3 =

(i)

23
10
(ii)

230
(iii)

23
1000
(iv)

23
100
(v)

23

Question 10

10.

7.11 =

(i)

711
100
(ii)

711
10000
(iii)

711
(iv)

711
10
(v)

711
1000

Question 11

11.

12.46 =

(i)

623
5000
(ii)

1246
(iii)

623
50
(iv)

623
500
(v)

623
5

Question 12

12.

9.758 =

(i)

4879
50
(ii)

4879
50000
(iii)

4879
5
(iv)

4879
500
(v)

4879
5000

Question 13

13.

Express
9
7
as a decimal correct to 1 decimal places

(i)

1.3
(ii)

1.1
(iii)

1.2
(iv)

1.5
(v)

1.4

Question 14

14.

Express
5
2
as a decimal correct to 2 decimal places

(i)

2.3
(ii)

2.7
(iii)

2.5
(iv)

2.4
(v)

2.6

Question 15

15.

Express
9
10
as a decimal correct to 3 decimal places

(i)

0.9
(ii)

1
(iii)

0.7
(iv)

0.8
(v)

1.1

Question 16

16.

Express
6
7
as a decimal correct to 4 decimal places

(i)

1.0571
(ii)

0.7571
(iii)

0.9571
(iv)

0.8571
(v)

0.6571

Question 17

17.

Express
73
35
as a decimal correct to 1 decimal places

(i)

2.3
(ii)

1.9
(iii)

2
(iv)

2.1
(v)

2.2

Question 18

18.

Find the period of the recurring decimal
25.
047619

(i)

7
(ii)

047619
(iii)

4761
(iv)

6
(v)

476190

Question 19

19.

Find the period of the recurring decimal
21.55555555555555...

(i)

50
(ii)

1
(iii)

0
(iv)

2
(v)

5

Question 20

20.

Find the periodicity of the recurring decimal
16.
952380

(i)

4
(ii)

5
(iii)

6
(iv)

952380
(v)

7

Question 21

21.

Find the periodicity of the recurring decimal
15.95238095238095...

(i)

952380
(ii)

6
(iii)

5
(iv)

7
(v)

4

Question 22

22.

The recurring part of the decimal
17.0
5
is

(i)

5
(ii)

551
(iii)

55
(iv)

17.05
(v)

505

Question 23

23.

The recurring part of the decimal
25.77777777777777...
is

(i)

25.7
(ii)

777
(iii)

77
(iv)

772
(v)

7

Question 24

24.

Convert the non-terminating recurring decimal
22.
8
to rational number

(i)

206
9
(ii)

206
7
(iii)

68
3
(iv)

206
11
(v)

208
9

Question 25

25.

Convert the non-terminating recurring decimal
9.55555555555555...

to rational number

(i)

28
3
(ii)

88
9
(iii)

86
9
(iv)

86
11
(v)

86
7

Question 26

26.

Convert the fraction
208
9
to non-terminating recurring decimal

(i)

0.23
1
(ii)

2311.
1
(iii)

23.
1
(iv)

2.3
1
(v)

231.
1

Question 27

27.

Convert the fraction
40
9
to non-terminating recurring decimal

(i)

44.
4
(ii)

0.0
4
(iii)

444.
4
(iv)

4.
4
(v)

0.
4

Question 28

28.

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

(i)

121
2
(ii)

1
3
(iii)

119
1
(iv)

2496
80
(v)

2380
40

Question 29

29.

Which of the following fractions converts to a terminating decimal?

(i)

2431
128
(ii)

209
234
(iii)

11
9
(iv)

209
18
(v)

101
9

Question 30

30.

Which of the following is an irrational number?

(i)

√

90
(ii)

(-1)
(iii)

4
(iv)

10.7407
(v)

2
14

Question 31

31.

Which of the following is a rational number?

(i)

3
√

25
(ii)

6
8
(iii)

3
√

41
(iv)

√

32
(v)

3
√

32

Question 32

32.

Which of the following is a decimal fraction?

(i)

15

4
5
(ii)

8
10
(iii)

19

2
3
(iv)

1
5
(v)

15
8

Question 33

33.

Which of the following is a decimal fraction?

(i)

3
6
(ii)

14

9
13
(iii)

9
100
(iv)

16

3
13
(v)

20
19

Question 34

34.

Which of the following is a decimal fraction?

(i)

9

5
16
(ii)

11

3
7
(iii)

3
1000
(iv)

4
9
(v)

16
9

Question 35

35.

Which of the following is a decimal fraction?

(i)

18

2
3
(ii)

17
7
(iii)

11

2
5
(iv)

12
16
(v)

7
10000

Assignment Key