Subtracting a negative is the same thing as...
Adding a positive
Maria had $45 in her account. She withdraws $60 at the mall. What is her account balance now?
-$15
2.1 + 7.8
9.9
In the morning, the temperature was 12°F. By the afternoon, the temperature dropped by 18°F. What is the temperature now?
-6°F
3.25 - 2.1
1.15
A hiker starts at 250 feet above sea level. She climbs 40 feet up the trail, then descends 120 feet. What is her new elevation?
170 feet above sea level
6.5 - 2.25
4.25
The coldest day in January was –12°F. The hottest day in July was 92°F. What is the difference between these two temperatures?
104°F
-1.5 + 2.6
1.1
A football player gained 15 yards on the first play, lost 23 yards on the 2nd play and then gained 3 yards on the next play. How many yards did he gain or lose overall?
-5 yards