Adding and Subtracting Integers-Group 4

A diver’s elevation is −30 feet relative to sea level. She dives down 12 feet. What is her elevation after the dive?

• 12 feet

• 18 feet

• -30 feet

• -42 feet

Which expression has the same value as -3 + (-5)?

• -3 - (-5)

• -3 + 5

• -5 + (-3)

• -5 - (-3)

Add -9 + (-12)

-10 + (-6) + (-4) =

• 15

• 0

• 10

• -20

The air temperature in the North Pole in the morning was 3 degrees Celsius.  By 10:00am the temperature dropped 12 degrees.  By noon the temperature had gone up 5 degrees.  At 3:00pm the temperature went up 9 degrees.  By nightfall the temperature had dropped 16 more degrees.  What was the temperature at the North Pole at nightfall?

• 11 degrees
• 0 degrees
• -11 degrees
• -9 degrees

1.  Rosa was hiking near the Dead Sea.  She began her hike at an elevation of -600 feet and ended the hike at 92 feet. What was the change in her elevation?

• she hiked up 508 feet
• she hiked down 508 feet
• she hiked up 692 feet
• she hiked down 692 feet

67 - 84

• 151

• 23

• -17

• -7

Newman borrows 20 dollars from Jerry. A week later he borrows another 20. Yesterday Newman paid Jerry back $5. What integer would be represent what Newman owes Jerry?

• -45 dollars

• -35 dollars

• -25 dollars

• -15 dollars

A research team aboard an underwater research vessel descends 1,500 feet beneath the surface of the water. They then rise 525 feet and descend again 350 feet. How far below the surface is the research team?

• 2375 feet
• 625 feet
• -1325 feet
• 1250 feet

The Dallas Cowboys start the first play of the game at the 50-yard line. On the first play, the cowboys lost 20 yards.  On the second play, they gained 8 yards.  On the next play, the quarterback was sacked, and they lost 10 yards.  What yard line are the Cowboys on now?  (HINT: Draw a horizontal number line)

• 48
• 28
• 50
• 25