On your Calendar, Teacher click on online class (orange session) on Calendar, and Click on Start your online lesson to start online class or click "Online Lesson Resources and Report" to review before the class
On Online lesson resources and report, Teacher can check Attendance. Teacher ticks on attendance if student attends online class
Similar to offline class, on Rubric of online class, Teacher can assess student's study quality based on objectives, and Teacher can leave a not/comment for student