ok things u could do with learning that will help your pilot training;
MATHS:
Triganometry
Pythagarous' theorem
quick multiplication in your head
fractions & how to re-arrange them
simple formula such as speed = distance/time
PHYSICS:
Newtons Laws
Conservation of momentum
the coanda effect
bernoulli's theorem
the magnus effect
magnatism
circuit diagrams (both series & parrallel)
If you can get your head around these you will find the PPL much easier.
check out this website as it will help you a lot:
Welcome to the free online private pilot ground school
Happy landings!!