One of the most common symbols in mathematics is the “Plus” sign. It looks like a small cross and lets us know when we are to add something. We were introduced to this symbol in our kindergarten years and we still see it on every calculator we’ve ever owned. In business, the “Plus” sign also has a relevance as those who are skilled enough to add value to their teams will advance far beyond those who never learn this critical step. How well are you “adding value”? Learn the “Principles of Plus” with this lesson.