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Multiplication & Division of Negative numbers with Substitution

Total questions: 70

Worksheet time: 2hrs 42mins

Name
Class
Date
1.

(−48)÷(−4)\left(-48\right)\div\left(-4\right)  

a)

12

b)

-12

c)

52

d)

-52

2.

9 • (-8)

a)

72

b)

-72

c)

1

d)

-1

3.

63÷(−7)63\div\left(-7\right)  

a)

-441

b)

441

c)

9

d)

-9

4.

(−200) ÷50\left(-200\right)\ \div50  

a)

-4

b)

4

c)

40

d)

-40

5.

Marie withdrew the same amount of money from her savings account each month for 5 months. Altogether she withdrew $300. She did not make any deposits. What was the change in Marie’s savings account balance each month?

a)

$60

b)

$300

c)

$1500

d)

$350

6.

As Randy swam underwater, his elevation changed uniformly for 4 minutes. Altogether it changed -20 feet. What was the change in elevation during each minute?

a)

-16 ft

b)

-24 ft

c)

-5 ft

d)

24

7.

A small company had a profit of -$528 in January. If it continues to have the same profit each month for 4 months, what will be the company’s total profit for 4 months?

a)

-$132

b)

$132

c)

-$2112

d)

$2112

8.

A 1-kilogram rock dropped into the ocean would take 37 minutes to reach -6,660 meters. If the rock dropped steadily, how far would it fall in 1 minute?

 

a)

37 meters

b)

167 meters

c)

180 meters

d)

188 meters

9.

A submarine at -235 meters dives to a depth 8 times its initial depth. To what depth does the submarine dive?

a)

-227 meters

b)

-243 meters

c)

-1880 meters

d)

-8235 meters

10.

Evi’s watch is water resistant up to -15 feet. Mateo’s watch is water resistant up to 8 times the depth of Evi’s watch. Mateo’s watch is water resistant to what maximum depth?

a)

-7 ft

b)

120 ft

c)

-120 ft

d)

7 ft

11.

If you multiply a positive number and a negative number, the asnwer is

(a)  

12.

If you multiply two negative numbers, the answer is

(a)  

13.
-3(-4)
a)
-12
b)
7 
c)
-7
d)
12
14.
-10(4)
a)
40
b)
-14
c)
-40
d)
14
15.
-30/-10=
a)
-30
b)
-3
c)
3
d)
30
16.
-20/5=
a)
-4
b)
4
c)
-100
d)
100
17.
When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...
a)
Positive
b)
Negative
c)
Depends on which is bigger.
18.
When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...
a)
POSITIVE
b)
NEGATIVE
c)
DEPENDS ON WHICH NUMBER IS LARGER.
19.
(-25) ÷ (-5)
a)
5
b)
-5
c)
-20
d)
-30
20.
64 ÷ (-8)
a)
8
b)
-8
c)
-9
d)
-7
21.
Is the product
–8 • (–3) positive or negative?
a)
negative
b)
positive
c)
both
d)
neither
22.
When multiplying two positive numbers together the answer will be _______________________.
a)
Negative
b)
Positive
23.
-8(0)=
a)
-8
b)
8
c)
0
d)
-80
24.

Which of the following expressions are equivalent to -12? Select all that apply.

a)

-3 × -4

b)

12 × (-1)

c)

-24 − (-12)

d)

36 ÷ (-3)

e)

24 + (-12)

25.
-80÷(-8)
a)
10
b)
-10
c)
11
d)
-11
26.
48÷(-4)
a)
12
b)
-12
c)
8
d)
-8
27.
-2(-6)
a)
-12
b)
-8
c)
8
d)
12
28.
-72 ÷ (-9)
a)
Positive
b)
Negative
29.
-3 x (-5)
a)
Positive
b)
Negative
30.
7 x 9
a)
Positive
b)
Negative
31.

Determine the sign of this product.

( - ) ( + ) ( - ) ( - ) ( - )

a)

negative

b)

positive

c)

zero

d)

undefined

32.

What integer divided by -5 equals -6?

a)

-30

b)

30

c)

24

d)

-24

33.

Find the values of   (−4)×(−5)\left(-4\right)\times\left(-5\right)  

a)

−9-9  

b)

9

c)

20

d)

−20-20  

34.

state whether the quotient s positive or negative : −64÷(−4)-64\div\left(-4\right)  

a)

positivepositive  

b)

negativenegative  

35.

find the product :

6×(−4) ×36\times\left(-4\right)\ \times3  

a)

−72-72  

b)

72

36.

-24 ÷ 6 =

a)

-4

b)

4

c)

-18

d)

-3

37.
a)

5

b)

-5

c)

3

d)

-3

38.

(-2)(-4)(-3)

a)

24

b)

-24

c)

8

d)

-21

39.

Determine the answer to the following:

−33-3^3  

a)

9

b)

-9

c)

27

d)

-27

40.

168 ÷ (- 12) = ......

a)

-12

b)

-13

c)

-14

41.

(−8)−(−4)=\left(-8\right)-\left(-4\right)=  

a)

-4

b)

+3

c)

+4

d)

-3

42.

Choose the correct operation

a)

(-3) + (-5) = -8

b)

7 + 4 = -4

c)

(-6) + 3 = 0

d)

10 + (-9) = 20

43.

−6+8−4+6=-6+8-4+6=  

a)

0

b)

4

c)

12

d)

24

44.

(−27)+(−7)=\left(-27\right)+\left(-7\right)=  

a)

-3

b)

-20

c)

-34

d)

-10

45.


−100÷10=-100\div10=  

a)

-10

b)

+10

46.

15−(−8)=15-(-8)=  

a)

-7

b)

7

c)

23

d)

-23

47.

−25÷5-25\div5  

a)

−5

b)

5

c)

−20

d)

−30

48.
Solve:
-39 ÷ (-3) = 
a)
42
b)
-42
c)
13
d)
-13
49.
If a = 4 & b = 6, what is 3a + 5b?
a)
40
b)
42
c)
44
d)
46
50.
If x=5,find the value of 7x-1
a)
34
b)
36
c)
35
51.
If y=4,find the value of 3y+5
a)
27
b)
12
c)
17
52.
If y=7,find the value of 2(y+4)
a)
11
b)
22
c)
20
53.
If a=6 and b= 7,find the value of 15-a-b
a)
2
b)
3
c)
4
54.
If a=4,b=5 and c=6,find 2c-a-b
a)
4
b)
3
c)
6
55.
When x = 3, y = 6 and z = 7, find 2x - z
a)
-1
b)
-2
c)
-3
d)
-4
56.
If x=5,find the value of 7x-1
a)
34
b)
36
c)
35
57.
If y=4,find the value of 3y+5
a)
27
b)
12
c)
17
58.
If y=7,find the value of 2(y+4)
a)
11
b)
22
c)
20
59.
If p=3 and q=5,find 
p +q+2
a)
12
b)
10
c)
8
60.
What is the value of -6s - 5h if s = 9 and h = 5?
a)
-79
b)
79
c)
78
d)
-78
61.
What is the value of -3y - 9 if y = -8?
a)
15
b)
-15
c)
14
d)
-14
62.
What is the value of x + 7p if x = -1 and p = 8?
a)
55
b)
56
c)
54
d)
53
63.
11b+7=40
a)
2
b)
1
c)
4
d)
3
64.
What is the value of -3y - 9 if y = -8?
a)
15
b)
-15
c)
14
d)
-14
65.
What is the value of 7a + 3 if a = -2?
a)
-11
b)
11
c)
10
d)
-10
66.
What is the value of -2v + 2h - 8s if v = 9, h = 7, and s = -6?
a)
44
b)
-44
c)
54
d)
-54
67.

if a = 5, then what is 5−a =if\ a\ =\ 5,\ then\ what\ is\ 5-a\ =  

a)

5

b)

0

c)

21

d)

29

68.

if a = 5, then a2+4 =if\ a\ =\ 5,\ then\ a^2+4\ =  

a)

5

b)

-5

c)

21

d)

29

69.

If c=5c=5 , find  2c2c  

a)

7

b)

8

c)

9

d)

10

70.

If b = 7 and e = 2, what is 3b + e?

a)

24

b)

22

c)

23

d)

21