Grading periods can be created by going to the grade center, clicking Manage, and then clicking Grading Periods.
Grading Periods classify grade columns by due date.
You can create a Grading Period by following the steps given below :
In Grade Center, click Manage to access the drop-down menu.
Select Grading Periods.
Click Create Grading Period.
Enter a name and select the date range for the Grading Period.