Ever had a student ask, "How did I get this grade?" or "Why am I failing?" Though the math is not complicated, many students don't understand how their grades are calculated, how each assignment can impact an overall grade, how weighted grades are calculated, etc. This lesson focuses on calculating GPA, quarter and semester grades, and student grades with/without "zero." This lesson can be used at the beginning of the year, preceding grade conferences, or at any point it seems necessary. It is