Adding, subtracting, multiplying and dividing positive and negative numbers is always a challenge for students. Often times, it’s easy to get the rules mixed-up. These two documents hopefully clarify which rules apply in specific situations. It is to your advantage to memorize these rules as they come up frequently in math and life in general.
Often times it’s easy to think about positive and negatives in the context of money, positive money is stuff you have and negative money as stuff you owe people. However, it’s not always easy to understand in every situation. These documents are intended to help clear up any misunderstandings with negative numbers.