Adding and Subtracting with Integers and Rational Number

MIXED BAG (+/-)

100

-38 - 27

-65

200

48 + (-83) - (-732) 

697

300

A submarine is at a depth of -2500 feet relative to sea level. It then ascends 75 feet in the first 10 minutes, 352 feet in the next 30 minutes, and then another 285 feet in the next 20 minutes. What is the submarine's new depth?

-1,788 feet or 1,788 feet below sea level

400

On Monday, Sarah has a balance of $750 in her bank account. On Tuesday, she writes one check for $253.89 and another for $59.97. On Wednesday, her friend pays her back $175.33 that she borrowed.  What is her new bank account balance?

$611.45

500

-8.7+(-4 1/2)-(-3 2/5)+14.6

4.8 or 4 4/5

600

-14 2/3+(-6 3/5)-8 1/2

-29 33/30

Integer Operations (+)

100

25 + (-27) = 

-2

200

-37 + (-13) =

(-50)  

300

(-153) + 153 =

0

400

-127 + (95)  =

(-32)

500

88+(-154)+ (-63)=

-129

600

-863 + 174 + (-385) + 12 

-1062

Integer Operations (-)

100

15 - 38

-23

200

79 - (-120)=

199

300

-325 - (-75) =

-250

400

-964 - 372

 -1,336

500

-997 - (-82) - 67 =

-982

600

-467 - (-392) - (-298) - 95

128

Rational Number Operations (+)

100

-16.76 + (-34.5)

-51.26

200

-4 2/3 + (-8 3/5)

-13 4/15

300

-13.5 + (78.83) + (-28.7)

36.63

400

8 6/7 + (-23 1/2)+(-14 3/7)

-29 1/14

500

14 1/4 + (-46 3/10)+(-8 3/5)+(-45.32)

-85.97 or -85 97/100

600

-15+(-18 2/3)+(15.4)+5^3+(-75)

31 11/15 or 31.7333...

Rational Number Operations (-)

100

-85.67 - (34.8)

-120.47

200

46.98 - 83.2

-36.22

300

56 2/5 - (-34 3/4)

91 3/20

400

-18 3/5 - (41 2/3)-(-38 1/2)

-21 23/30

500

84.62 - (-24 1/4) -96.5 - sqrt(100)

-46.13 or -46 13/100

600

sqrt144 - 5 2/5-(-18.78)-6^3

-190.62 or -190 31/50