Integer Operation (+)
Evalute. 25 + (-27)
-2
(-8) - (-14)
6
(-10) x (42)
-420
(-108) / 9
-12
What is an integer?
A positive or negative whole number on the number line INCLUDING zero.
-37 + (-13)
(-50)
Find 12 - (-14)
26
-16 x -8
128
–70 ÷ (–10)
7
What is a negative number times a negative number?
Positive number
-15 + (-108)
-123
Find -16 - (-12).
-4
-7 x -23
161
Tony made 4 withdrawals last month for a total of $504. What was his balance at the end?
-126
Opposites
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
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
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
Rosita earned $375 for working 5 days last week. What integer represents the number of dollars she earns per day?
$75 per day
What is a negative number plus a negative number?
a larger negative number
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
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
-30 x 5
-150
-1000 ÷ 50
-20
What is a positive number times a negative number?
Negative