EduSahara™ Worksheet

Question 1

1.

The decimal number 80.6 lies between

(i)

{78,79}
(ii)

{79,80}
(iii)

{81,82}
(iv)

{80,81}
(v)

{82,83}

Question 2

2.

7
2
+
4
= ______

(i)

13
2
(ii)

15
(iii)

15
2
(iv)

15
4
(v)

17
2

Question 3

3.

Convert the fraction
176
9
to non-terminating recurring decimal

(i)

195.
5
(ii)

19.
5
(iii)

0.19
5
(iv)

1955.
5
(v)

1.9
5

Question 4

4.

Find the periodicity of the recurring decimal
21.07407407407407...

(i)

3
(ii)

2
(iii)

1
(iv)

4
(v)

74

Question 5

5.

The decimal number 1.691 lies between

(i)

{2,3}
(ii)

{-1,0}
(iii)

{0,1}
(iv)

{1,2}
(v)

{3,4}

Question 6

6.

4.6 =

(i)

23
5
(ii)

23
500
(iii)

23
50
(iv)

460
(v)

46

Question 7

7.

Which of the following decimal numbers lie between
6949
and
6950
?

(i)

695
(ii)

6949.5
(iii)

6950.8
(iv)

69495
(v)

6948.8

Question 8

8.

Which of the following is an irrational number?

(i)

24.8889
(ii)

10
(iii)

12
24
(iv)

(-7)
(v)

√

41

Question 9

9.

Find the missing value in
4
3
✕
______ =
64
27

(i)

14
9
(ii)

2
(iii)

16
7
(iv)

16
11
(v)

16
9

Question 10

10.

175
9
−
18
= ______

(i)

13
7
(ii)

13
9
(iii)

13
11
(iv)

5
3
(v)

11
9

Question 11

11.

Find the rational number at the point labelled with letter J

(i)

29
7
(ii)

27
7
(iii)

25
7
(iv)

27
5
(v)

3

Question 12

12.

The solution of
√

2
lies between

(i)

1.413 and 1.414
(ii)

1.415 and 1.416
(iii)

1.412 and 1.413
(iv)

1.414 and 1.415
(v)

1.416 and 1.417

Question 13

13.

Which of the following are true?

a)

19

20

+

64

11

=

64

11

+

19

20

b)

19

20

✕

49

5

=

49

5

✕

19

20

c)

1

9

−

64

11

=

64

11

−

1

9

d)

1

9

÷

49

5

=

49

5

÷

1

9

(i)

{a,b}
(ii)

{d,b}
(iii)

{c,b,a}
(iv)

{c,d,a}
(v)

{c,a}

Question 14

14.

Find the missing value in
13
5
÷
______ =
143
75

(i)

15
11
(ii)

17
11
(iii)

13
11
(iv)

15
13
(v)

5
3

Question 15

15.

Find the missing value in
10
12
−
______ =
73
102

(i)

2
15
(ii)

0
(iii)

2
17
(iv)

4
17
(v)

2
19

Question 16

16.

3.719 =

(i)

3719
10
(ii)

3719
100
(iii)

3719
10000
(iv)

3719
1000
(v)

3719
100000

Question 17

17.

Find the missing value in
14
17
÷
______ =
21
17

(i)

4
5
(ii)

10
13
(iii)

2
3
(iv)

8
15
(v)

10
17

Question 18

18.

Find the missing value in
19
18
+
______ =
647
306

(i)

18
17
(ii)

6
5
(iii)

16
17
(iv)

18
19
(v)

20
17

Question 19

19.

Find the difference between the values of numbers at point A and B

(i)

(-13)
(ii)

(-11)
(iii)

(-15)
(iv)

(-17)
(v)

(-14)

Question 20

20.

12

11
16
−
12
= ______

(i)

13
16
(ii)

11
16
(iii)

11
18
(iv)

9
16
(v)

11
14

Question 21

21.

13
+
2
8
= ______

(i)

53
4
(ii)

53
2
(iii)

55
4
(iv)

53
6
(v)

51
4

Question 22

22.

1
10
÷
1
= ______

(i)

1
10
(ii)

1
12
(iii)

1
8
(iv)

3
10
(v)

(
-1
10
)

Question 23

23.

Express
9297
10000
as a decimal correct to 4 decimal places

(i)

0.7297
(ii)

0.9297
(iii)

0.093
(iv)

1.0297
(v)

9.297

Question 24

24.

Find the sum of the rational numbers at the points labelled with letters E and F

(i)

(
-79
10
)
(ii)

(
-83
10
)
(iii)

(
-65
8
)
(iv)

(
-97
12
)
(v)

(
-81
10
)

Question 25

25.

Which of the following is true?

a)

16.4600

÷

(

5.5100

+

12.6800

)

=

(

16.4600

÷

5.5100

)

+

(

16.4600

÷

12.6800

)

b)

5.5100

✕

(

12.6800

+

17.9500

)

=

(

5.5100

✕

12.6800

)

+

(

5.5100

✕

17.9500

)

c)

12.6800

✕

(

17.9500

−

16.4600

)

=

(

12.6800

✕

17.9500

)

−

(

12.6800

✕

16.4600

)

d)

17.9500

−

(

16.4600

✕

5.5100

)

=

(

17.9500

−

16.4600

)

✕

(

17.9500

−

5.5100

)

(i)

{a,b}
(ii)

{a,d,b}
(iii)

{d,c}
(iv)

{b,c}
(v)

{a,c,b}

Assignment Key