-5 + 3
17 - (-7)
-4 x -7
-4 + -13
6 - 9
-17 x 7
4 x (- 7) - 8 use order of operations
-18 + 27
The temperature in Park Valley was –9°F when a warm front began to move through. The warm front caused the temperature to rise to 4°F. What was the change in temperature in Park Valley?
In the video game Ember Escape, Jill earned 55 points in Round 1 for sneaking past the ogre without disturbing him. In Round 2, she lost 70 points for waking the ogre. What was Jill’s score at the end of Round 2?
Ellen visited a lake that had an elevation of 67 meters below sea level. Write an integer to represent the elevation of the lake.
Farid withdrew $75 from his savings account to buy a waterproof speaker for his kayaking trip. Write an integer to represent the change in the balance of his account.
A research submarine is exploring the Atlantic Ocean. To reach a specific coral reef, the submarine descends at a constant rate of 6 feet per second.
If the submarine continues to descend at this rate for 15 seconds, what is its total change in elevation? Label your answer.
Over the course of 5 hours, the temperature in a mountain town dropped by a total of 35 degrees. The temperature fell by the exact same amount each hour. What was the change in temperature per hour? Label in degrees.