Mastering Integer Operations and Negative Numbers

A submarine is at a depth of 150 meters below sea level. If it rises 75 meters, what is its new depth?

• 50 meters

• 75 meters

• 100 meters

• 150 meters

A temperature dropped from 5 degrees to -3 degrees. How many degrees did it drop?

• 8 degrees

• 10 degrees

• 6 degrees

• 4 degrees

A bank account has a balance of $200. If $50 is withdrawn and then $30 is deposited, what is the final balance?

• $150

• $200

• $180

• $220

A hiker climbs 120 meters up a mountain and then descends 45 meters. What is the hiker's elevation change from the starting point?

• 90 meters

• 65 meters

• 100 meters

• 75 meters

A football team scored 20 points in the first half and lost 10 points in penalties in the second half. What is their total score?

• 15

• 10

• 30

• 25

A store had 50 apples. They sold 30 apples and then received a shipment of 15 more. How many apples are there now?

• 50

• 20

• 35

• 45

A roller coaster starts at a height of 30 meters and drops 50 meters. What is the height of the roller coaster after the drop?

• -30 meters

• 0 meters

• -20 meters

• 10 meters

A car travels 60 miles north and then 25 miles south. What is the car's final position relative to its starting point?

• 35 miles north

• 25 miles north

• 60 miles south

• 35 miles south

A student scored 85 on a test, then lost 15 points for a late submission. What is the student's final score?

• 70

• 90

• 75

• 80

A mountain climber starts at an elevation of 2000 meters and climbs up 300 meters but then descends 500 meters. What is the climber's final elevation?

• 1500 meters

• 2200 meters

• 2000 meters

• 1800 meters