Within your class you have the ability to view student progress for activity, lessons, modules, quiz scores, and weekly progress. This will give you a quick snapshot of how students are doing in the class and prompt some questions you may want to ask (ie what students need more help? Do we need to spend more time on a concept?).
Access Class Progress from the class top navigation bar and select the view you need:
Once in the Class Progress view you can see the students and their progress shown with colored bubbles. Gray = not started, Pink = needs work, Yellow = started, Green = completed, Dark Green Circle = passed with teacher review: