Free Printable operations with directed numbers

1.

$7\ +\ \left(+2\right)$ =

a)

-5

b)

-9

c)

5

d)

9

2.

$-6\ +\left(-15\right)\ =$

a)

-21

b)

-9

c)

9

d)

11

3.

$-5\ +\ 1\ =$

a)

-6

b)

-4

c)

4

d)

6

4.

$-18\ -17\ =$

a)

-35

b)

-25

c)

-1

d)

1

5.

$-\ 49\ \div7\ =$

a)

9

b)

7

c)

-7

d)

9

6.

$-9\ \times-12\ =$

a)

-108

b)

-72

c)

72

d)

108

7.

$-8\ \times\ 13\ =$

a)

-104

b)

-94

c)

94

d)

104

8.

$-144\ \div\ -8\ =$

a)

12

b)

18

c)

-16

d)

-18

9.

$7\ -2\ -\left(-9\right)\ =$

a)

-14

b)

-12

c)

-4

d)

14

10.

$9\ +\left(-7\right)\ +\ 13\ =$

a)

-15

b)

11

c)

15

d)

29

11.

A thermometer which initially reads -7⁰ C, the temperature dropped by 10⁰ C during the night, what will be the new thermometer reading.

a)

-17⁰ C

b)

-3⁰ C

c)

3⁰ C

d)

17⁰ C

12.

A submarine is 25 metres below sea level. the distance from the top of the hill to sea level is 60 metres. How far is the submarine below the hill top?

a)

-35 m

b)

-85 m

c)

35 m

d)

85 m

13.

$-15\ \div\left(2-5\right)\ -6\ =$

a)

-1

b)

-4

c)

-11

d)

-14

14.

$5\ +\ \left(-3\right)\ \times\ \left(-2\right)^2$

a)

12

b)

8

c)

-7

d)

-32

15.

5 added to a certain number gives a result of -6. The number is

a)

-11

b)

-1

c)

1

d)

11

16.

-7 X 6 =

a)

-42

b)

42

17.

16 X (-7) =

a)

112

b)

-112

18.

-3 x (-8) x (-6) =

a)

144

b)

-144

c)

24

19.

-14 + 7 x (-5) =

a)

49

b)

-49

c)

-35

20.

3 x (-8) + (-3) x 4 =

a)

-24

b)

36

c)

-36

21.

Evaluate
(-5)[(-6)+(-2)x3]

a)

-17

b)

-7

c)

0

d)

60

22.

Evaluate
[7 - (-7)] ÷ (-7)

a)

-7

b)

-2

c)

6

d)

7

23.

Which of the following expressions gives the smallest value?

a)

(-3) ÷ 5 ÷ (-5)

b)

3 ÷ 5 ÷ (-5)

c)

(-3) × (-5) ÷ (-5)

d)

3 × (-5) ÷ (-5)

24.

Which of the following expressions gives a value lying between -25 and 0?

a)

(-24) + (-4)

b)

(-24) - (-4)

c)

(-24) × (-4)

d)

(-24) ÷ (-4)

25.

Evaluate
(-8) - 3(-6)

a)

8

b)

9

c)

10

d)

11

26.

Evaluate
[3 + 5 × (-6)] ÷ (-3)

a)

9

b)

-9

c)

16

d)

-16

27.

Evaluate

(-12) + (-8) - (-3) ÷ (+⅓)

a)

-69

b)

-51

c)

-19

d)

-11

28.

$7\ +\ \left(+2\right)$ =

a)

-5

b)

-9

c)

5

d)

9

29.

-3-8

a)

11

b)

-5

c)

5

d)

-11

30.

-3+25

a)

is a positive answer.

b)

is a negative answer

operations with directed numbers

Total questions: 30

Worksheet time: 15mins

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