Subtracting, Adding, Multiplying, Dividing Integers

A climber is at an altitude of 533 feet. He descends until he reaches 10 feet below sea level. How many feet did the climber descend?

• 523 feet

• 543 feet

• 0 feet

• 500 feet

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

Jim's business had a profit of $290 in its first month, and a loss of $130 in its second month. Write a sum of integers to find the profit/loss after the first two months.

Which situation could the integer -50 represent?

• a deposit of $50

• the temperature on a warm Spring day

• the distance driven on the way to the beach

• a decrease of 50 employees

9+ (-9)=

• 0

• 18

• -18

• 1

-9(9)=

• 81

• -81

• 18

• -18

-9 + (-9)=

• 0

• 18

• -18

• none of the above

-9 + 9=

• 1

• 0

• 18

• -18

-9 - 9=

• 18

• 0

• -18

• 1

9- (-9)

• -18

• 0

• 1

• 18