EduSahara™ Worksheet

Question 1

1.

Which of the following are true?

a)	integers are closed under multiplication
b)	integers are closed under division
c)	integers are closed under addition
d)	integers are closed under subtraction

(i)

{b,a}
(ii)

{b,c}
(iii)

{b,a,c}
(iv)

{b,d}
(v)

{a,c,d}

Question 2

2.

The value of 0 ✕ 15 is

(i)

1
(ii)

(-2)
(iii)

2
(iv)

0
(v)

(-1)

Question 3

3.

Which of the following are true?

a)

17

+

(

7

+

11

)

=

(

17

+

7

)

+

11

b)

18

✕

(

17

✕

7

)

=

(

18

✕

17

)

✕

7

c)

11

÷

(

18

÷

17

)

=

(

11

÷

18

)

÷

17

d)

7

−

(

11

−

18

)

=

(

7

−

11

)

−

18

(i)

{d,b}
(ii)

{c,b,a}
(iii)

{c,d,a}
(iv)

{a,b}
(v)

{c,a}

Question 4

4.

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

(i)

(-2)
(ii)

(-3)
(iii)

1
(iv)

(-1)
(v)

0

Question 5

5.

The value of 1 − 47 is

(i)

(-47)
(ii)

(-43)
(iii)

(-45)
(iv)

(-46)
(v)

(-48)

Question 6

6.

Find the equation representing the following number line diagram

(i)

(-8)
−
16
=
(-24)
(ii)

(-9)
+
13
=
4
(iii)

(-8)
+
13
=
5
(iv)

(-7)
+
15
=
8
(v)

(-6)
−
13
=
(-19)

Question 7

7.

The value of 1 ✕ 50 is

(i)

51
(ii)

53
(iii)

47
(iv)

50
(v)

49

Question 8

8.

Find the product of the two numbers at the points labelled with letters G and H

(i)

20
(ii)

16
(iii)

19
(iv)

17
(v)

18

Question 9

9.

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

(i)

(-7)
(ii)

(-3)
(iii)

(-5)
(iv)

(-6)
(v)

(-9)

Question 10

10.

Find the difference of the two numbers at the points labelled with letters A and B

(i)

(-6)
(ii)

(-3)
(iii)

(-1)
(iv)

(-4)
(v)

(-5)

Question 11

11.

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

(i)

(-2)
(ii)

(-6)
(iii)

(-3)
(iv)

(-4)
(v)

(-5)

Question 12

12.

The value of 11 ✕ 7 is

(i)

80
(ii)

77
(iii)

74
(iv)

76
(v)

78

Question 13

13.

The value of 0 ✕ 43 ✕ 13 ✕ 58 is

(i)

(-1)
(ii)

2
(iii)

0
(iv)

(-3)
(v)

1

Question 14

14.

15 ✕ ______ = 60

(i)

1
(ii)

5
(iii)

6
(iv)

4
(v)

3

Question 15

15.

Find the equation representing the following number line diagram

(i)

0
+
10
=
10
(ii)

(-1)
−
11
=
(-12)
(iii)

(-2)
+
8
=
6
(iv)

(-1)
−
8
=
(-9)
(v)

1
−
8
=
(-7)

Question 16

16.

The value of 11 − 6 − 4 is

(i)

2
(ii)

(-2)
(iii)

1
(iv)

3
(v)

0

Question 17

17.

The value of 13 + 16 + 20 + 15 is

(i)

61
(ii)

65
(iii)

63
(iv)

64
(v)

67

Question 18

18.

Find the sum of the two numbers at the points labelled with letters M and N

(i)

(-5)
(ii)

(-2)
(iii)

0
(iv)

(-3)
(v)

(-1)

Question 19

19.

The value of 0 − 15 is

(i)

(-17)
(ii)

(-14)
(iii)

(-16)
(iv)

(-12)
(v)

(-15)

Question 20

20.

Which of the following are true?

a)

12

✕

9

=

9

✕

12

b)

3

÷

12

=

12

÷

3

c)

9

+

4

=

4

+

9

d)

4

−

3

=

3

−

4

(i)

{d,c}
(ii)

{b,c,a}
(iii)

{b,a}
(iv)

{b,d,a}
(v)

{a,c}

Question 21

21.

Find the letter of the label representing the position of number -4

(i)

N
(ii)

L
(iii)

J
(iv)

F
(v)

M

Question 22

22.

The value of 1 + 47 is

(i)

50
(ii)

47
(iii)

45
(iv)

49
(v)

48

Question 23

23.

The value of 15 + 7 is

(i)

21
(ii)

24
(iii)

23
(iv)

20
(v)

22

Question 24

24.

Find the number at the point labelled with letter C

(i)

(-4)
(ii)

(-3)
(iii)

(-1)
(iv)

(-5)
(v)

(-6)

Question 25

25.

The value of 0 − 45 − 11 − 6 is

(i)

(-62)
(ii)

(-65)
(iii)

(-59)
(iv)

(-61)
(v)

(-63)

Assignment Key