Adding, Subtracting, Multiplying and Dividing Integers

• -50

• 4

• 50

• -10

• 7
  

• 6

• -6

• -7

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

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

When a submarine starts at sea level, goes down 250 feet, rises 80 feet, and descends another 18 feet, how would this be shown mathematically?

• 250 + 80 + (-18)

• -250 + 80 - (- 18)

• 250 + -( 80) + (- 18)

• -250 + 80 + (-18)

Which expression represents a temperature starting in the morning at 12 degrees below zero rising 14 degrees at noon, and falling 5 degrees that night?

• 12 + 14 + (-5)

• - 12 + 14 + 5

•  12 + (-14) + (-5)

• - 12 + 14 + (-5)

Match

• 3

• 72(-3)

• 29

• -3 + 14

• 11

• 18 + (-6)

• 12

• -7 - (-10)

• -216

• 24 - (-5)

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.

• -25

• -13

• 25

• 13