Year 10 End of Years Watch
And remember that you're only in Year 10! It's great you've put this much effort into revision now, it will set you up nicely for Year 11. You still have a whole year to work on things and make improvements!
I think these are exactly the things you should do.
To spend 10 hours reading notes is less effective than spending 2 with practice questions.
Have a look at these blogs, they explain nicely the best ways to revise: