I'd work with the teacher to see about giving her slightly harder problems when it comes time to hand out work. Maybe have it part of the same lesson, but more complicated, if that makes sense. I know math tends to focus on a single thing at a time, and the problems will be relatively simple, save for the one topic they are working on. I don't know how hard that would be for the teacher though.
Is math the only class that's like this? If so, I would stay in touch with the teacher, but I wouldn't worry too much about pushing her right at the moment. Things may change as the year goes on.
