I happen to be the opposite. I prefer going over slides than hand-written notes. What works for me is printing out the slides, and going over each individual one until I've got it down. I don't move on to the next until I can understand it and write the contents of the slide on a sheet of paper...
So I'm a 4th year biology major. I absolutely hate what I have been/am learning but that's another story. Ideally, I'd like to get into the field of math and get a master's/PhD degree but I've only taken up to CalcII - and that was about 3 and a half years ago. I did, however, love the math...