Midterm Review

One morning, the temperature was 5 degrees below zero Fahrenheit (F). By noon, the temperature rose 20 degrees F and then dropped 8 degrees F by evening. What was the evening temperature?

• 17 degrees below zero
• 15 degrees below zero
• 12 degrees above zero
• 7 degrees above zero

A dolphin is swimming 10 feet below the surface. It descends another 12 feet before rising 4 feet. Which of the following would be the correct way to solve this word problem?

• -10 + -12 + -4
• -10  - 12 + 4
• 10 - 12 - 4
• -10 + 12 + 4

Jeffery plans to rent a beach house for his sister's birthday and will use his savings to pay for it. The company charges a $25.00 cleaning fee plus $10.00 per hour for the house. If he rents the house for 6 hours, what will be the change in Jeffery's savings?

• -60
• -35
• -85
• -25

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test. Which equation best describes Bob progress on his math test?

• 5 + 9 = 14

• -5 + (-9) = -4

• -5 + (-9) = -14

• 5 + (-9) = -4

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

While hiking, Harly went up 120 meters. If Harly started at 800 meters above sea level, what is her elevation now?

• -680
• 920
• 680
• -920

In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, which expression represents the is the morning temperature?

• 14 - 7
• -14 - 7
• -14 + 7
• 14 + (-7)

At 7 A.M. the temperature was -4 °F. At 9 A.M. it was 8 degrees warmer. What was the temperature at 9 A.M.?

• -4
• 4
• -12
• 12

Alex wrote checks on Tuesday for $35 and $45. He also made a deposit in his checking account of $180. Find the overall change in the amount in his checking account.

• $90 increase
• $100 increase
• $80 decrease
• $100 decrease

A diver was 40 feet below the surface of the water. A fisherman was casting off a dock right above the diver that was 12 feet above the surface of the water. How far apart are the diver and the fisherman?

• 28 feet
• -28 feet
• 52 feet
• -52 feet