Integer Operation

adding integers

100

-7 + (-8)=

-15

200

-250 + (-750)

-1000

300

-6200 + 1200 =

-5000

400

-4.5 + (-3.8)

-8.3

subtracting integers

100

12 - 4 =

8

200

45 - (-40) =

85

300

-62 - (-12)=

-50

400

.8 - (-0.5) =

1.3

multiplying integers

100

-50 * 2

-100

200

-90 * (-50) =

4500

300

-34 * 15

-510

400

-8.4 * 6

-50.4

dividing integers

100

-45/9

-5

200

-100/-20

5

300

-9908/89

111 R 29

400

18/(-3)

-6.

word problems

100

Ms. Frias paid $15 for rubber bands for bracelets and at the same time won $1000 on a scratch off lottery ticket. How much money did she have?

$985

200

You owed your friend $20 dollars for the movies and you owed your parents $60 dollars for new shoes. That was the only money you had in your wallet. How much money are you out?

-$80

300

The extraterrestrials have a score of -300. They loose points for incorrect answers. They answer 4, 50 point questions incorrectly. What is their new score?

-500

400

Mr. Cippollone bought pizza and soda for 16 classes. The pizza and soda cost 12 dollars. How much money did Mr. C have to spend?

$192