Multiplying and Dividing Integers Worksheets

Multiplying and Dividing Integers Worksheets
  • Page 1
 1.  
Multiply: - 15 · (- 28)
a.
- 420
b.
420
c.
- 440
d.
440


Solution:

- 15 · (- 28)
[Write the expression.]

15 
× 28 

120 
30 

420 



Product of two negative integers is positive.

Therefore, - 15 · (- 28) = 420.


Correct answer : (2)
 2.  
Multiply: 44 · (- 98)
a.
- 312
b.
312
c.
- 4312
d.
4312


Solution:

44 · (- 98)
[Write the expression.]

44 
× 98 

352 
396 

4312 



Product of a positive integer and a negative integer is a negative integer.

Therefore, 44 · (- 98) = - 4312.


Correct answer : (3)
 3.  
Multiply: - 24 · 16
a.
- 324
b.
324
c.
384
d.
- 384


Solution:

- 24 · 16
[Write the expression.]

24 
× 16 

144 
24 

384 



Product of a negative integer and a positive integer is a negative integer.

Therefore, - 24 · 16 = - 384.


Correct answer : (4)
 4.  
Find the product of (- 3)(- 5).
a.
- 15
b.
15
c.
- 2
d.
- 8


Solution:

(- 3)(- 5)
[Original expression.]

= 15
[Product of two integers with same sign is positive.]


Correct answer : (2)
 5.  
Find the product of (- 8)(- 7).
a.
- 15
b.
56
c.
72
d.
- 16


Solution:

(- 8)(- 7)
[Original expression.]

= 56
[Product of two integers with same sign is positive.]


Correct answer : (2)
 6.  
Find the product of (- 6) (9).
a.
- 54
b.
- 15
c.
3
d.
54


Solution:

(- 6) (9)
[Original expression.]

= - 54
[Product of two integers with opposite sign is negative.]


Correct answer : (1)
 7.  
Multiply (- 16) 4.
a.
- 54
b.
54
c.
64
d.
- 64


Solution:

(- 16) 4
[Original expression.]

= - 64
[Product of two integers with opposite sign is negative.]


Correct answer : (4)
 8.  
What is the value of 8 (- 11)?
a.
- 11
b.
- 3
c.
88
d.
- 88


Solution:

8 (- 11)
[Original expression.]

= - 88
[Product of two integers with opposite sign is negative.]


Correct answer : (4)
 9.  
What is the value of 43 × 7?
a.
291
b.
301
c.
296
d.
311


Solution:

The product of two integers with same sign is positive.

43 × 7
[Original numerical expression.]

= 301
[Simplify.]


Correct answer : (2)
 10.  
What is the quotient of 25 ÷ 5?
a.
8
b.
7
c.
6
d.
5


Solution:

The quotient of two integers with same sign is positive.

25 ÷ 5
[Original expression.]

= 5
[Simplify.]


Correct answer : (4)

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