This document discusses different grading systems used in education including absolute grading, relative grading, and common letter grade scales. Absolute grading involves assigning percentages based on how well a student's answers meet the requirements of a model answer. Relative grading compares students' performance to others taking the same test. Common letter grade scales range from A+ to F, with grade point values also defined. The document also defines terms related to grading like semester, semester grade point average, cumulative grade point average, credit points, and transcripts.