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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