adding and subtracting integers

same sign addition

100

-16 + -92

-108

200

-12 + -29

-41

300

77+35

112

400

18+63

81

500

-45 + -87

-132

different sign addition

100

-16 + 17

1

200

78 + -45

-33

300

-56 + 14

-42

400

-13 + 27

14

500

-51 + 19

-32

subtraction

100

-9 - -10

1

200

67 - -9

76

300

98 - 103

-5

400

14 - 64

-50

500

13 - -5

18

multiple steps

100

-56 + (-15) - (-13) =________

-58

200

16 + (-9) + 7 = ______

14

300

-56 - (-87) - 63 =_______

-32

400

-2 - 19 + (-12) = _______

-33

500

9 + (-76) - (-13) + 8 =______

-46

word problems

100

Karen starts on the diving board 5 feet above the water, then she dives in and ends up 10 feet below the water. How far is she from where she started?

15 feet

200

Jeff hikes up a mountain. He starts at 1324 feet above sea level. The trail he follows goes down 245 feet, then up 459 feet then back down 67 feet. What elevation does he end his hike at?

1471 feet

300

The seagull is flying 34 feet above the water. It scoops down and catches a fish that was 3 feet below the water. How far did the seagull dive?

37

400

The dolphin is swimming 75 feet below sea level. It swims up 67 feet and then back down 45 feet. How far is the dolphin from sea level

53 feet below sea level

500

The football team needs 10 yards to keep the ball. They first gain 5 yards, then lose 9 yards, then gain 2 yards then gain 7 yards. How many yards did they get? Did they keep possession of the ball?

5 yards, No