$100
$200
$300
$400
$500
100

12 + (-5) +3

10

100

20 + (-7) + 9 

22

100

(-15) + 25 + (-10)

0

100

(-45) + 30 + (-20)

-35

100

78 ÷ (-2) + 62

60

200

24 - (-8)

32

200

(-15) - 9

-24

200

43- (-17) - 12

48

200

(-75) - (-20) - 33

-88

200

108 - 45 - (-18)

81

300

4 x (-3)

-12

300

(-5) x (-8)

40

300

(-9) x 12 x (-2)

216

300

25 x (-6) x 4

-600

300

(-11) x (-12) x (-5)

-660

400

20 ÷ (-5)

-4

400

(-72) ÷ 9 

-8

400

180 ÷ (-6) ÷ 5

-6

400

(-1440) ÷ (-12) ÷ 6

20

400

(-360) ÷ 8 ÷ (-3)

15

500

You start with -20 points, then gain 8 points. How many points do you have now?

-12 points

500

A hiker descends 20 meters from a mountain peak. Then, he descends 15 more meters. How far has he descended total?

-35 meters

500

A submarine is 120 meters below sea level. It rises 80 meters and then descends 50 meters. How far below sea level is it? 

-90 meters

500

A snowstorm causes the temperature to drop by -3 degrees Celsius every hour. After 10 hours, what's the total temperature drop?

- 30 degrees Celsius 

500

A scuba diver descends -4 meters per second. How far will the diver descends after 2 minutes?

-480 meters

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