What is 300+(+500)
+800
250+(-175)
+75
550-120
True or False...
When adding numbers you must pay attention to whether they have the same signs or different.
True
-780+300
-480
123+(+32)
-440+330
-110
750-(-600)
+1,350
True or False...
When subtracting numbers you must pay attention to whether they have the same signs or different.
False.
-990-200
-1,190
-230+(-60)
-290
-650+300
-350
-880-(-220)
-660
When you are adding numbers with different signs you take the sign from the....
BIGGER number
760+(-330)
-150+(-450)
-600
408+(-320)
+88
-330-(-570)
+240
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
25+(-30)+10
+5
-800+(-230)
-1,030
-450+(900)
+450
770-(-330)
+1,100
True or False.
When subtracting integers we use the rule Keep, Change, Flip.
False.
-60+30+(-20)
-50