(write-offs)
Adding integers:
- to add integers with the same sign, add their absoulte values. Give the result the same sign as the integers.
- to add integers with different signs, subtract their absoulte values. Give the result the same sign as the integer with the highest value.
Subtracting Integers:
- to subtract an integer, add its additive inverse.
Multiplying Integers:
- the product of two integers with the same sign is positive.
- the produce of two integers with different signs is negative.
Dividing Integers:
- the quotient of two integers with the same sign is positive.
- the quotient of two integers with different signs is negative.
