To edit the point total, tap the Points field . To edit how the grade is displayed to students, tap the Display Grade as field . Display Grade options include Percentage, Complete/Incomplete, Points, Letter Grade, GPA Scale, and Not Graded.
If the assignment does not have any submissions, you can publish or unpublish the assignment by tapping the Publish button .
To edit who the assignment is assigned to, tap the Assign To field.
Tap the sections , groups , or student  that you would like the receive the assignment. Selected assignees will display on the screen .
To save your assignees, tap the Save icon .
Edit Availability and Due Dates
To edit the assignment due date and time, tap the Due Date fields . To edit the availability date and times, tap the Available From or Available To fields .
To add additional due dates or availability dates, tap the Add Due Date link .