Adding Integers

Adding Integers Rules

100

Integer Rules: If the integers have the same signs...

Add, keep the same sign

or

Subtract, keep the sign of the bigger number (absolute value)

Add, keep the same sign

200

Integer Rules: If the integers have different signs...

Add, keep the same sign

or

Subtract, keep the sign of the bigger number (absolute value)

Subtract, keep the sign of the bigger number

300

Would you add or subtract these integers?

-8 + 5

Subtract

400

Would you add or subtract these integers?

20+(-4)=

Subtract

500

Would you add or subtract these integers?

-35 + (-9)

Add

Same Signs

100

-2 + -3 =

-5

200

-5 + -3 = 

-8

300

4 + 6

10

400

-12 + -15 = 

-27

500

48 + 22 = 

70

Different Signs

100

-2 + 3 = 

1

200

5 + -3 = 

2

300

4 + -6

-2

400

-12 + 15 =

3

500

-48 + 22 =

-26

Mixed Signs

100

-5 + -5 = 

-10

200

-5 + 5 = 

0

300

-10 + -13 = 

-26

400

-14 + 8 = 

-6

500

-50 + 30 = 

-20