I have always assigned HW to help students practice the skills they have acquired in class. Using the Google Classroom to post said assignments has really helped students in that they can easily go back and check their work once I have graded it. They don't need to look through reams of paper to find an assignment, especially when they are studying for a test. I also allow my students to unsubmit assignments after I have checked for completion on my screen. We review certain answers and they can add info that can serve as notes to help them further understand certain concepts.
