Dec 12, 2016 - 01:48 PM
Then, you can edit the assignment and it will apply to all the students. Go to Manage Gradebook/Assignments/Edit. Then edit the assignment as you want, save the changes and it will apply to all students.
If you have already entered scores, changing the value of an assignment will affect the students' grade on the assignment and overall mark- you may have to adjust their scores, too.