Integer Operations Review (Unit 4)

Integer Operation (+)

100

Evalute. 25 + (-27)

-2

200

-37 + (-13)

(-50)

300

-15 + (-108)

-123

400

Sharlene rides in a hot-air balloon. The balloon rises 370 feet into the air. Then it descends 140 feet. What integer represents the current height of the hot-air balloon?  

230

500

Lorraine entered the elevator on the fourth floor of a hotel. It then descended 6 levels to the underground parking garage. What integer represents the location of the parking garage?  

-2

Integer Operation (-)

100

(-8) - (-14)

6

200

Find 12 - (-14) 

26

300

 Find -16 - (-12).

-4

400

The highest point in a park is 235 feet above sea level. The lowest point is 32 feet below sea level. What is the distance between the highest and lowest points in the park?  

267 feet

500

The highest point in South America is Mount Aconcagua at 22,838 feet. The lowest point in South America is Laguna del Carbon at 344 feet below sea level. What is the distance between the highest and lowest points in South America?  

23,182 ft

Integer Operation (x)

100

(-12) x (42)

-504

200

-16 x -18

288

300

-74 x 23

-1702

400

A scuba diver descends below the surface of a lake at a rate of 12 feet per minute. What integer represents the depth of the diver after 4 minutes?  

- 48 ft

500

(-34 + 21) x (-74 + 43)

-403

Integer Operation (/)

100

(-108) / 9

-12

200

–70 ÷ (–10)  

7

300

Tony made 4 withdrawals last month. Each time, he withdrew the same amount. If Tony withdrew a total of $504, what integer represent the change in his account after each withdrawal?

-126

400

Rosita earned $375 for working 25 hours last week. What integer represents the number of dollars she earns per hour?

$15 per hour

500

Sharlene rides in a hot-air balloon. The balloon rises 370 feet into the air. Then it descends 140 feet in 7 minutes. How many feet per minute is it changing? 

20

Vocabulary & Order of Operations with Intgers

100

What is an integer?

A positive or negative whole number on the number line INCLUDING zero. 

200

What is the vocabulary term for the DISTANCE from a point on the number from the origin (zero). 

Absolute Value

300

What are two integers that are the SAME DISTANCE from zero on a number line, but one is a negative and ones a positive. 

Zero Pairs 

400

When multiplying or dividing integers with the SAME sign the answer will be ________. 

Positive

500

When multiplying or dividing integers with DIFFERENT signs the answer will be ____________

Negative