210 + (-210)
0
(-3) - (-8)
5
10 x 12
120
-1/1
-1
A shark swam 10 feet below sea level. Then the shark swam 5 feet deeper into the ocean. What is the new elevation of the shark?
(-10)+(-5)
(-32) + 3
-29
(-21) - (-31)
10
-2 x 8
-16
(-50)/10
-5
A eagle flew 20 feet above sea level. Then the eagle descended 2 feet. What is the eagle's new evelation?
(-24) + (-10)
-34
25 - 34
-9
-16 x -2
32
3
A whale was diving at a rate of 2 meters per second. How long will it take for the whale to get from the surface of the ocean to an elevation of -12 meters at that rate?
-2v=-12
100 + (-43)
57
83 - (-4)
87
(-53) x (-10)
530
132 / (-12)
-11
The temperature was 2 degrees Celsius and fell to -12 degrees Celsius. What was the change in temperature?
2 + x = -12
(-20) + 15 + 20
15
29 - (-56)
85
(-310) x 23
-7130
-426
An elevator is descending at a rate of 2.5 feet per second. How long will it take the elevator to go down 20 feet?
-2.5x=-20