Positive negative word problems

The temperature at 2:30am was -10°C. At noon, the temperature had risen 16°. At 5:00pm the temperature had dropped 8°. What was the temperature at 5:00pm?

The difference in the cost of two skateboards is $13.50. If the first skateboard is priced at $98.45. What are the two possible costs of the second skateboard?

A football team gained 6 yards on the first play, lost 8 yards on the second play, and gained 5 yards on the third play. To get a first down, they must gain 10 yards in 4 plays. How many yards must they gain on the fourth play to get a first down?

A scuba diver dove underneath the water to a depth of minus 450 feet below sea level. He the decided to go even deeper and dove another 450 feet. Realizing he has gone to deep, he rose 300 feet. At what depth below sea level, did that leave him?

Derek withdrew $40 from his bank account to go to the state fair with some friends. Later he deposited $18.48 that he made tutoring. How much money is Derek still missing after his withdrawal?

In Jax’s favorite video game, players earn and lose points based on how well they avoid obstacles on the race track. First, Jax lost 20 points for getting stuck in a blizzard. Then, he gained 32 points for avoiding a flock of birds. What was Jax’s score after he avoided a flock of birds?

The record high temperature in Norway is 96°F. The record low temperature in Norway is 157°F colder than the record high. What is the record low temperature in Norway?

A submarine is navigating at a depth of 40 ⅝ kilometers below sea level and then descends another 10 ⅞ kilometers into the ocean. What is the new depth of the submarine?

A miner is working at an elevation of -64 ⅞ meters, and then ascends 77 ¾ meters. What is the new location of the miner?