You can assign letter or number grades to stories from the Review dashboard.
Grades appear on the student's story page and on your dashboard in a dedicated column. Grades are PRIVATE between you and the student. Other students visiting the story page won't see them.
Can I change a grade once assigned?
Yes. You can change the grade or the grade type (letter, number) at any time.
Can I remove a grade altogether?
Yes. To remove a letter grade, reset the pull-down menu to "Select." To remove a number grade, highlight the number and delete it, leaving the space blank. (Don't put a zero since it will treat that as a number grade.)
Can I assign a number grade AND letter grade to the same story?
No. You can only choose one. Also, be consistent across the class or the assignment: if you start with letter grading, apply it to everyone.