A walkthrough with basic steps for adding and subtracting integer Values.
STEP 1: If necessary/possible turn subtraction into addition.
REMEMBER:
Subtraction of a positive number is the same as adding the same negative value.
“MINUS POSITIVE” can mean “PLUS NEGATIVE”
Subtraction of a negative value is the same as adding the same positive value.
“MINUS NEGATIVE” can mean “PLUS POSITIVE”
STEP 2: Add the values in the expression using one of the three below rules based on the condi