in adding imtegrs with like sign simply add ang copy the sign of the addence
in adding integers with unlike sign simply subtract and copy the sign of the greater absolute value
in subtracting integers get the additive inverse of subtrahend and proceed to addition
in multiplying integers with like sign multiply the number and the product is always positive
in multplying integers with unlike sign multiply the integers and the product is always negative
in dividing integers with like sign the quotient is always positive
in dividing integers with unlike sign the quotient is always negative
