Adding and Subtracting Integers

Adding Integers

100

-5 + 9

4

200

-12 + 5

-7

300

-16 + (-17)

-33

400

Which direction do you go when adding a negative? 

(Looks like + -)

Backward

500

-16+18+-17

-15

Subtracting Integers

100

-4 - 6

-10

200

4 - 11

-7

300

15 - (-7)

22

400

-27 - (-3)

-24

500

-10 - 11 - (-3)

-18

Mix

100

-2 - 3

-5

200

-10 + 30

20

300

21 - (+5)

16

400

Which direction do you go when subtracting a negative?

(Looks like - -)

Forward

500

-10 + (-2) - 5

-17