Adding & Subtracting Integers Adding and Subtracting Integers

Subtracting (Different Sign) integers

100

 8 - (-25) =

33

200

-19 - (15) =

-34

300

- 13 - (12) = 

-25

400

-15 - (3) =

-18

500

At 9:00 a.m., the temperature is 1 degree outside. An hour later, it drops by 18 degrees. What is the temperature now?

-17 degrees

Adding (Different Sign)

100

-22 + 15 =

-7

200

3 + -18 =

-15

300

15 + (-24) =

-9

400

11 + (-21) =

-10

500

-43 + 67 =

24

Subtracting (Same Sign)

100

-23 - (-10) =

-13

200

-13 - (-3) =

-10

300

-22 - (-10) =

-12

400

-15 – (-13) =

-2

500

-15 - (-46) =

31

Adding (Same Sign)

100

-8 + (-26) =

-34

200

-12 + (-6) =

-18

300

-18 + (-18) =

-36

400

-23 + (-6) =

-29

500

A football team lost 19 yards. Then they lost 9 yards. How many yards did the football team lose altogether?

-28 yards