In the Activity Tab Click your created assignment to see the submissions of the student - Click the Check Submissions.

Checking the Submitted Assignment of the students

Step 1: Click the name of the student and the details of their assignment show. You can now check it.

Step 2: After checking you can now input a score then click the Save score button.

Note: You can leave a comment to your student.

Once the assignment is graded a prompt message appears that is successfully graded and the student's name moves to the Graded section.