This program covers the important topic of teaching students how to subtract integers from one another. Students will learn how to subtract positive and negative numbers using simple rules to illustrate the process. The number line is used to reinforce the material. The entire lesson is taught by working example problems beginning with easier problems and gradually progressing to harder problems. Emphasis is placed on giving students confidence in their skills by gradual repetition so that the skills learned in this section are committed to long term memory.