Review: Integer Operations

Word Problems

100

I withdrew $500 from the bank.

-$500

200

A cyclist travels downhill for 125 feet. Then she travels up a hill 50 feet. What is her new position?

-75

300

Sam is scuba diving 25 feet below sea level. She descends 10 feet to see a sea turtle. What is her new position?

-35

400

A hot air balloon rises 340 feet and then descends 130 feet. What is the new height of the air balloon?

210

500

Francesca earned $40 in allowance money. She bought a bracelet for $12 and a pair of earrings for $23. Then, her aunt gave her $30 for her birthday. How much money does she have?

$35

Addition

100

25 +(- 27) = 

-2

200

-37 + (-13) =

(-50)  

300

(-15) + 25 =

10

400

-12 + (9) +4=

1

500

(-8)+(-15)+10=

-13

Subtraction

100

18 - 15

3

200

9 - (-20)=

29

300

32 - (-14) =

46

400

-20 - (-12) -8

 -16

500

-49 - 22-(-71) =

0

Multiplication/Division

100

(-24)/(-6)

4

200

(8)(-4)

-32

300

(-12) ( 5) =

-60

400

120 / -40 =

-3

500

(-13) (-4)

52

Integer Operations

100

(-2)(4)(-3)

24

200

(-5)(-3)(-2)

-30

300

(-10)(-2)-(-8)

28

400

(24 /-3) + (-13)(2)

-34

500

(-2)(-5)(4)+(-30/3)

30