Multiplying & Dividing Integers

Multiplication

100

(-4)(-8)

32

200

(12)(-9)

-108

300

(-4)(3)(-2)

24

400

(-8)(2)(-1)²⁴

-16

500

(-1³)(-1)⁴

-1

Division

100

27 ÷ (-3)

-9

200

(-54) ÷ (-2) =

27

300

(-72)  /  (-2)(-4)

-9

400

(-1)⁵(12)   /   (-4)

3

500

(-12)(-2)   /   (2)(-3)

-4

Word Problem

100

A submarine is diving at a constant rate of 6 meters per minute. If it continues descending for 8 minutes, how many meters below the surface will it be?

-48 meters

48 meters below sea level

200

The temperature changed steadily over 6 hours. Altogether, the change is -18 degrees. What was the change in temperature each hour?

-3 degrees

300

True or False:

If a ÷ b is negative, then one of the factors must be negative.

True

400

True or False:

The square of a negative number is negative.

False

500

In a test, 3 points are given for every correct answer, and -2 points for every wrong answer. If a student gets 15 questions correct and 7 questions incorrect, what is his/her score?

31