Adding Integers
-8 + 2
-6
11 + (-4)
7
The distance from zero
absolute value
The water level was 14 feet. After 4 weeks of drought it fell 5 feet. What is the new water level?
9 feet
-9 + 30
21
-7 - 7
-14
Another word for "opposites"
additive inverse
Mason went skiing with friends. He starts at an elevation of 400 feet. He descends 600 feet down the mountain. What is his new elevation?
-200
-22 + 12
-10
-9 - (-3)
-6
The additive inverse of -40
40
Hotel elevator is on the 14th floor. It goes up 5 floors, then down 8 floors. What floor is it on now?
11th
-50 + 48 + 12
10
-32 + 5 - 23
-50
when the sum is 0
-5 + 5 = 0
zero pairs
Braden's credit card balance was $49. He charges $31 then makes a payment of $60. What is his new balance?
-20
-162 -54 + 75
-141
-2395 - 642 + 32
-3005
a positive number minus a negative will always be _______?
positive
The lowest point on the Red Sea floor was 300 feet below sea level 10 years ago. It is now -750 feet below seal level. What is the difference between the elevations?
450 feet