ATPL Distance Learning
I completed my ATPL exams distance learning, I finished them in just over 8 months, ended up with a 90%+ average over 4 sittings. Some exams can be question-banked to death so do so where you can. I remember RNAV and Ops procedures being banked. I grouped them into manageable sittings.
Ops, Law, Met, HPL, IFR Comms, VFR Comms
POF, M&B
GNAV, F Planning, Perf
RNAV, Instruments, AGK
Wouldn't worry too much about Physics, just a basic understanding of a few principles, which would be explained in the books/CBT you decide to use. Maths, just make sure you can do basic maths, estimating, multiplication, division etc. nothing too onerous.
Anything you get stuck on, I found a few second hand Oxford CBT's on ebay. Absolute gold for Met.
My best advice would be to actually understand the material as much as you can, but if all else fails, hammer the question bank...(I used BGS)