Integer Word Problems

A submarine is at a depth of 150 meters below sea level. It ascends 60 meters and then descends 30 meters. What is its final depth?

• -120 meters

• -90 meters

• 120 meters

• -180 meters

The temperatures over five days were -5°C, 3°C, -2°C, 4°C, and -1°C. What is the mean temperature?

• 9°C

• -0.2°C

• 1°C

• -1°C

The temperatures over five days were -25°C, 13°C, -8°C, 4°C, and -1°C. What integer represents the change in temperature from 13° to -8°?

• 5°C

• -21°C

• 21°C

• -5°C

A hiker starts at an elevation of 200 meters, climbs to 450 meters, and then descends to 150 meters. What is the total distance covered by the hiker?

• 550 meters

• 250 meters

• 300 meters

• 350 meters

The scores of a student in five tests are 78, 85, 90, 82, and 88. What is the range of the scores?

• 12

• 84.6

• 15

• 8

A car travels 600 miles in 10 hours. What is it's speed in miles per hour?

• -60

• 6

• 60

• 600

The temperatures recorded over a week were -7°C, 0°C, 2°C, -1°C, 4°C, -2°C, and 4°C. What is the range of the temperatures?

• 11°C

• 6°C

• 5°C

• 0°C

A diver is at a depth of 30 meters below sea level. He ascends 10 meters, descends 20 meters, and then ascends 5 meters. What is his final depth?

• -35 meters

• -25 meters

• -30 meters

• -20 meters

The daily temperatures for a week were -2°C, 1°C, -3°C, 0°C, 2°C, -1°C, and 3°C. What is the mean temperature for the week?

• 0°C

• 0.5°C

• -0.5°C

• 5°C

A gas tank is filled 3 gallons in 1 minute. How many gallons are in the tank after 5 minutes?

• 20

• 8

• 9

• 15