Adding Integers
190 + 467
657
-12 - 6
-18
A positive or negative whole number
Integer
(9)(-1)(3)
-27
-12/3
-4
89 - 132
-43
-135- (-145)
10
The sum of these two integers depends on the absolute value of the greater number. If the a.v of the negative integer is greater, the result will be negative, and vice versa.
Positive + Negative integers
(-7)(-7)(3)
147
-125/-5
25
-45 + (-27)
-72
15.6- (-4.4)
20
Negative + Negative =
Negative
(-8)4
4,096
(-34.6/-0.2) + (-173)
0
-789 - 34
-823
-34.5-(-89.1)
54.6
When subtracting a negative, you are actually...
adding a positive
(-4)5
-1,024
The temperature dropped the same amount each hour for 12 hours. The total temperature change was -54 degrees. What integer represents the amount of degrees dropped per hour?
-4.5 degrees.
In the middle of a game, Dawn has a score of -17. At the end of the game, Dawn’s score increases by 21. What is Dawn’s score at the end of the game?
4
Brendan throws a rock into a pond. The bottom of the pond is -12.6 ft from the surface of the pond. Brendan is on a patio that is 2.7 ft above the pond. How many feet apart are Brendan and the rock?
15.3 ft
Positive x Negative
AND
Positive / Negative
Negative result
You are on a long distance call in the 1990s. Each minute you are on the call you pay $0.33. You were on the phone for 25 minutes with an aunt in a different country. What integer represents the amount of money you pay the phone company?
-$8.25
A sea otter is underwater. Its position below sea level changes by -73.5 ft in 3 minutes. What is the average change in the otter’s position each minute?
-24.5 ft/min