Adding & Subtracting Integers Adding and Subtracting Integers

Subtracting different sign integers

100

 8 - (-25)=

33

200

-19 - (15)=

-34

300

- 13 - (12)= 

-25

400

-150 - (35)=

-185

500

The temperature is 1 degree above zero then is drops by 18 degrees. What is the temperature?

-17 degrees

Adding different sign integers

100

-22 + 15=

-7

200

3 + -18=

-15

300

15 + (-24)=

-9

400

11 + (-21) + 3 + (-3) =

-10

500

Maria has 4$ in her bank account then she wrote a check for 20$. How much money is left in her bank account?

-16 dollars

Subtracting same sign integers

100

-23 - (-10)=

-13

200

-13 - (-3)=

-10

300

-22 - (-10)=

-12

400

-15 – (-13) - (-4)=

2

500

Dory is 6 feet below sea level. Dory swam another 25 feet below to find Nemo. How many feet below sea level is Dory at?

31 ft

Adding Same sign integers

100

-8 + (-26)=

-34

200

-12 + (-6)=

-18

300

-18 + (-18)=

-36

400

-23 + (-6) + (-3)=

-32

500

A football team lost 19 yards on 1st down. Then gained 9 yards on 2nd down. Then they lost 3 yards on 3rd down. Write the integer expression to represent this scenario.

-19 + 9 - 3