Adding Same Sign Integers
Adding Different Sign Integers
Subtracting Integers
What Is My Rule?
Surprise Time!!
100

What is 300+(+500)

+800

100

250+(-175)

+75

100

550-120

+430
100

True or False... 


When adding numbers you must pay attention to whether they have the same signs or different. 

True 

100

-780+300

-480

200

123+(+32)

+155
200

-440+330

-110

200

750-(-600)

+1,350

200

True or False... 


When subtracting numbers you must pay attention to whether they have the same signs or different.

False. 

200

-990-200

-1,190

300

-230+(-60)

-290

300

-650+300

-350

300

-880-(-220)

-660

300

When you are adding numbers with different signs you take the sign from the....

BIGGER number 

300

760+(-330)

+430
400

-150+(-450) 

-600

400

408+(-320)

+88

400

-330-(-570)

+240

400

What does Keep, Change, Change stand for and mean? 

Keep the first number the same. 

Change the subtraction to addition 

Change the second number to its opposite 

400

25+(-30)+10

+5

500

-800+(-230)

-1,030

500

-450+(900)

+450

500

770-(-330)

+1,100

500

True or False. 

When subtracting integers we use the rule Keep, Change, Flip. 

False. 

500

-60+30+(-20)

-50