Adding Rational numbers
-8 + 7 = ?
-1
-9 - 6.5 = ?
-15.5
Jane is hiking at an elevation of −36 ft. She descends 41 ft deeper into a valley. What is Jane’s new elevation?
-77 ft
−8 + 13 − 6
1
-6 + (-3) = ?
-9
-54 - (- 3)
-51
A fish is 18 feet below the surface of a lake. The fish swims up 12 feet before diving 45 feet. What equation and answer can be used to find the current depth of the fish in feet?
-18+12-45=-51
The temperature was −3.5°C in the morning. It increased by 7.2°C during the afternoon and then decreased by 5.8°C at night.
What was the final temperature?
-2.1
-(+3.2)+(-3.9)
5.3 - (-3.8)
9.1
Stock in a certain company sold for $5.25 per share in April. The price of the stock decreased $3.75 after one month. It then increased $1.85 and $2.25 over the next two months. What was the price of the stock after these changes?
5.6
Evaluate:
−12.6 − (−7.4) + (−3.8) − 2.5
-11.5
-6 1/3 + (- 7 1/4) = ?
13.583 or 163/12
-(-4 1/2)- (-3 1/6)
7.66
A remote-controlled plane is flying 14 meters above the ground. The plane rises 3.5 meters before diving 7.5 meters and then continues flying at constant height. What is the equation and final answer?
14+3.5-7.5=10m
A diver is 8 1/2 meters below sea level. The diver rises 3 3/4 meters, dives another 6 1/2 meters, and then rises 2 1/4 meters.
What is the diver’s final position relative to sea level?
-9m
8.22 +(-6 12/13)
1.3
-3.5 - (-3 12/20) = ?
0.1
Ramel has 9 3/4 pounds of potatoes to peel for a dinner he is catering. He has already peeled 2 1/2 pounds. Which equation and answer can be used to find how many pounds of potatoes Ramel has left to peel?
9 3/4 - 2 1/2= 7 1/4
−5 3/4 − (−2.5) + 3 1/2 − (−4.25) − 6 3/4
−2.25