iTunes U
iTunes U User Guide for web

Hide and show locked assignments in iTunes U for web
To focus on the active assignment in your private course, you can hide assignments you previously locked.
Hide locked assignments
In iTunes U
for web, click the course name in the dashboard for the assignments you want to hide.Click Admin
, then click Grades.Click Hide Locked.
iTunes U hides all locked assignments from the grade book.
Show locked assignments
In iTunes U
for web, click the course name in the dashboard for the assignments you want to unhide.Click Admin
, then click Grades.Click Show Locked.
iTunes U shows the locked assignments again.
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