Click on Assignments and click on the name of the assignment you want to grade
Click on the speed grader link on the right side.
You can go through the list of students to click a choose a submission to grade
In the main window of the speed grader, you will see the student's studio recording. You can still manage the controls and hit play to view the video, adjust the speed, and captions as well.
You can leave comments in the recording itself. Or add comments in the sidebar of the speed grader. Students will be able to see all of this feedback
Enter a grade in the grade field of the assignment. If there is a rubric attached click view rubric to click and enter the scores and options for each row. Click Save and you will be able to see the grade in the grade box.