For more information about the gradebook, you can review the information bellow or read Moodle's Support documentation
Categories help you organize your Moodle Gradebook.
Grade items can be used in Moodle for assignment or grades assessed outside of Moodle, such as participation.
In the gradebook you can move items and categories to arrange them as you would like.
In gradebook you can change the weight of an item or category to reflect the syllabus. Note: all weights in the system must equal to 100.
In Moodle you can manually change the grade on an item that has already been graded or follow these steps to manually grade an item.
You can set grade items as extra credit through the grade book.