Problem Solving Integers

Mr. Sternberg is running 10 feet above sea level.  Mrs. Oliver is swimming 7 feet below sea level. What is the difference in elevation between Mr. Sternberg and Mrs. Oliver?

• 17

• 3

• -17

• -3

Drought conditions in Texas are causing lake levels to drop 3 inches per day. If the drought continues, how many inches of water will the lake lose in 2 weeks? (HINT** 7 days in a week)

A submarine starts out at 200 feet below sea level. It dives 535 feet before rising 425 feet. Represent the current depth of the submarine as an integer.

A plane is flying 5000 feet. The plane climbs 20,000 feet to approach cruising altitude. After a few minutes at this new altitude, the plane hits turbulence and descends 12,253 feet. Express each increase or decrease in altitude as an integer operation, and determine the new altitude of the plane.

-7(-8) + 11

• 57

• 67

• 59

• -45

• 14

• 17

• 13

• -3

(-3)(7)(-2) + (-1)

• 41

• 42

• -43

• -44

Every morning Mrs. Maresh buys a cup of coffee. If she has already spent $54 on coffee this month, how many mornings has she bought a coffee this month?

• 162

• -162

• 18

• -18

Which is in order from least to greatest?

• -11, 10, -7, 5

• 5, -7, 10, -11

• -11, -7, 5, 10

• none of these

Jim has no cash or money in the bank. He owes PHP 7 to his mother and PHP 15 to his father. What integer describes Jim's current money situation?

• PHP 0

• +PHP 8

• -PHP 22

• Cannot Tell