Adding and Subtracting Integers

Vocab

100

A whole number from the set 

what is integer ?

200

-4 , -3, -2 , -1 

what is negative numbers ?

300

0 

what is zero ?

400

any number on the number line/ in order is higher than zero 

what is positive numbers ?

500

any number on the number line/ in order lower than zero 

what is negative numbers ?

Adding Integers

100

- 5 + 9

4

200

12 + 30 

42 

300

- 15 + (-17)

-32

400

if you add a positive and a negative what will the answer come out to be 

(+) + (-) = ?

a negative so you have to subtract 

500

-70 + (30) 

-40

Subtracting Integers

100

90 - 40

50

200

-60 - 5

-65

300

- 12 - (-13) 

1

400

20 - 50 

-30 

500

if you subtract -80 minus -6 what will your answer be 

-74

Mix

100

21 + (-5)

16

200

-10 + 30 

20 

300

-5 - (-5)

0

400

3 - 7 

-4

500

if you are subtracting -2 - 5 , which way would you go on the number line?

Right or Left 

Left