(Either your math teacher suck badly or you need a tutor...math is logic, once the pieces fall into place it's easy! And that comes from somebody who is a complete numbers dork...takes me a year to learn my own phone number!)

But you are a prime example, actually, while yes, academic is important, but also that the work ethic needs to be reflected.

So not doing your German work should reflect worse on you then having an F in math when you did all the assignments.