By default, Canvas allows students to see grades as soon as the teacher as graded them. Therefore, you can mute, or temporarily hide a grade. (Students can still see and submit a muted assignment in the gradebook.)
Some examples of why you might do so include:
Determine when you want to provide feedback or a grade to all sections of a course.
To prevent students from being overly concerned about formative assessments.
Some practices to consider:
Regularly unmuting grades at predictable intervals (e.g. 15th and 30th of the month)
Note: Unmuting an assignment in the Gradebook will be sent to all sections of your course.
Watch How to Mute an Assignment to Prevent Realtime Feedback to Students
Step-By-Step Instructions: How do I mute an assignment in the Gradebook?