Divide Integers and Substitution

Divide

100

6 ÷ (−3)

-2

200

−52 ÷ (−4)

13

300

-27/3

-9

400

 

-84/4

-21

500

-144/6

-24

Evaluate the expression

100

(−4)(−25) ÷ (−10) + 3  

-7

200

−3 + 10(−12) ÷ 6

   -23

300

(−4)(10) ÷ (−1) + 4  

44

400

7 + 3(−4) ÷ 3  

3

500

−14 ÷ (−2) + 3

10

Substitution

100

x = 30, y = −3, and z = −2.

x ÷ 2y

-5

200

x = 30, y = −3, and z = −2 

-36 ÷ y²

-4

300

x = 30, y = −3, and z = −2

 5yz² ÷ x  

-2

400

x = 30, y = −3, and z = −2

x ÷ (y + z)  

-6

500

x = 30, y = −3, and z = −2

(x+y)/y

-9

Division Problems

100

Your team dives for 24 lobsters over 3 days. What is the average daily lobster catch?

8

200

A skateboarder descends on a ramp from 172 feet to 67 feet in 15 seconds. What is the mean change in height per second?

-7 ft per second

300

You improve your time running a course by 5 seconds in week one, by 3 seconds in week two, and by 4 seconds in week three. What isthe mean weekly change in your running time?

4 seconds

400

Find the mean of the integers.

5, −7, 12, −10, 15

3