Gradebook: Categories and Weighting
This setup option in the Settings page allows you to choose how would you like to organize your Gradebook. Your options are:
No Categories (default setting)
Your Grade Items will appear in the order in which you arrange them.
Grade Items can be grouped together for better organization. For example categories may be titled Exams, Homework, Papers, etc.
Categories & Weighting
Works just like Categories, but each category will count toward a percentage of your final course grade. You cannot choose Categories & Weighting if you selected to release the final course grade to students with 'Points' under Grade Release Rules.
Categories will only be visible if there are Gradebook items assigned to them. To be able to drop grades, you will need to select Categories Only or Categories & Weighting.