The Grade Center allows you to manage all aspects of student grades. From the Grade Center View Spreadsheet page, you can view grades the system automatically adds to the Grade Center, edit grades, and even create new Grade Center entries.
To add a gradable item to the Grade Center:
Step 1 : Click on the Control Panel link in your course.
Step 2 : Click on the Grade Center link.

Step 3 : Click on the Add Grade Column button.

Step 4 : Now you should see the Add Grade Center Column page. Under Column Information, provide the name, category and if you wish a description of the gradebook entry. Make sure you set the desired amount of points possible. Choose how you want the grade to be displayed (Complete/Incomplete, Letter, Percentage, Score, or Text).

Step 5 : Under Dates, select a Due Date for the Column if you wish to make the Due Date visible to students while in the Grade Center.

Step 6 : Under Options, select Yes for the first two options to include this column in Grade Center calculations and to show this column in My Grades. Select Yes for the third option to display the statistics for this column in My Grades.

Step 7 : Click Submit to add the item.
Step 8 : After submitting, the Grade Center will appear and there will be a comformation receipt at the top of the page.
Your item will appear within the Grade Center.
