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To add a new category go to the Grades from the top-level navigation, then click Gradebook setup from the left side drop-down. Fill Fill out the new category form name and click "Save changes". In most circumstances, you can leave settings at the default such as Natural Aggregation. Coursesite will recalculate your grades. Click continue to return to the Gradebook Set-up.
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Any new grade item can be added to an existing category by simply changing the Grade category drop-down.
Tip: You can set a category to zero weight if needed - for example, if you just want to check a student paper for plagiarism with a Turnitin assignment but do not want to grade electronically and plan to provided provide written feedback on hardcopieshard copies.