Add/Subtract Integers

Adding Integers

100

1+2

3

200

3+10

13

300

James lowers the anchor for the cruise ship. It starts at 15 above sea level, and lands on the shallow ocean floor at about 11 feet below sea level. What is the difference between where he dropped and where it landed?

26

400

-19+30

11

500

20+(-14)

6

Subtracting Integers

100

1-(-1)

2

200

3-6

-3

300

Pablo likes to swim during the summer. He dives 10 feet below sea level, back up 5, and then back down 27. How many feet below sea level is he at?

32

400

-7-5

-12

500

24-(-18)

42