Students get different assignments
Features of Webwork
Individualized homework
Immediate feedback
Several chances to get it right
Automatic grading
Professor has overview
Large database of problems
Additional teaching tool besides:
Classroom teaching, problem sessions
Homework with paper and pencil
Labs/Projects with computers
Playing with toys, applets
Group projects
Textbook reading, article reading (i.e. web)
Discussions with students and instructor