If you want to set a default grade for a certain assignment, use the assignment drop-down menu. Default grades can either be applied to all students or only students who have not yet received a grade.
Notes:
In Course Navigation, click the Grades link.
Hover over the assignment column header and click the Options icon.
Click the Set Default Grade link.
Type the default grade value in the Grade Value field [1]. If you would like to overwrite existing grades for the assignment, select the Overwrite already-entered grades checkbox [2].
Click the Set Default Grade button [3].
Click the OK button.
Default grades are automatically entered for all students who do not have a grade. Grades can be changed by clicking the default grade and typing in an updated score.