Rules Of Subtracting Integers
Addition of integers requires using ________ rules.
Addition of integers requires using two rules.
Subtraction is the ________ operation of addition.
Subtracting is the opposite operation of addition.
-2-(+4)
-2+(-4)
-4+(-3)
-4-(+3)= -1
Rule One: If the integers signs are the _______ then keep the sign and _____ the integer.
Rule One: If the integers signs are the same then keep the sign and add the integer.
Subtracting integers can best be done by making the problem ________.
Subtracting integers can best be done by making the problem addition.
+9-(+8)
+9+(-8)
-8+(-9)
Rule Two: If the integers signs are _____ then ________ and use the sign next to the larger number.
Rule Two: If the integers signs are different, then subtract and use the sign next to the larger number.
What is this problems operation?
-8+(-7)
Addition.
+18-(+9)
+18+(-9)
+6-(+2)
+6+(-2)= +4
Which rule does this apply to:
-3-(-7)=
Rule One: The signs of the integers are the same!
What is the second integers sign?
-12+(-2)
Negative.
+23+(-23)
+23-(+23)
-9+(-7)
-9-(+7) = -2
Which rule does this apply to:
+8+(-9)=
Rule Two: The integers signs are different.
Change the operation and integers sign in this problem:
-8-(+16)
-8+(-16)
-3-(+4)
-3+(-4)
-10+(-10)
-10-(+10)=0