Integer Operations (G)

Adding Integers

100

5+(-8)

-3

200

(-7)+4

-3

300

(-7)+(-4)

-11

400

 -3 + (-6) + (5)

-4

500

7 - (-4) + (-7)

4

Subtracting Integers

100

6-(-3)

9

200

-7 - (-2)

-5

300

4 - 6 - 5

-7

400

2 - (-6) - 2

6

500

3 - (-8) - (-3) - (2)

12

Multiplying Integers

100

-2 x -3

6

200

4 x -6

-24

300

-10 x 8 x 7

-560

400

-4 x -5 x 6

120

500

-3 x -6 x 4 x -7

-504

Dividing Integers

100

28/(-4)

-7

200

0/4

0

300

(-54)/(-6)

9

400

(4 x 5)/(-4)

-5

500

(4 x 2 x 5)/ -(2 x 2)

-10

Real World

100

Samantha earned $14 for mowing the lawn. She then spent $6 on a new shirt. How much money does she have now?

$8

200

The Broncos got possession of the football on their own 20 yard line. They ran for an 8 yard gain. The next play was a 3 yard loss. What is their field position after the two plays?

25 yard line

300

Ricardo’s grandmother flew from Buenos Aires, Argentina to Minnesota to visit some friends. When Ricardo’s grandmother left Buenos Aires the temperature was 84°. When she arrived in Minnesota it was –7°. What was the temperature change for Ricardo’s grandmother?

Decrease of 91° OR (-91)°

400

Tom left school and walked 5 blocks east. Charlie left school and walked the same distance west. How far apart did the two friends end up?

10 blocks apart

500

The temperature rose 13˚F between noon and 5 p.m. and then fell 7˚F from 5 p.m. to 10 p.m. If the temperature at noon is 75˚F, what would the temperature be at 10 p.m.?

81˚F