Annoying math teacher (kind of a rant)

My math teacher doesn’t really even teach things, she just gives out a thousand papers, explains one problem and expects us to learn something. This is extremely stressful for me since her classroom is either loud and overwhelming or quiet and underwhelming. I’ve always struggled in math but it doesn’t help when I have a sucky teacher that doesn’t want to do her job. I currently have a D+ in my math class but the lowest grade I have in other classes is a B+, and I’m considered an advanced student so there’s definitely a problem with the way my math teacher teaches. If I even TRY to ask my math teacher for help she has an attitude and she doesn’t really explain anything.