This might get a bit chaotic but here goes:
1)
- You have to study little and often.
- Try not to spend too long on individual topics at a time, and try not to put off revising / re-revising topics for too long.
- You will only gain proficiency in a certain topic through practice.
- Don't put off revising / re-revising topics you particuarly don't like, since these are probably the parts of the course you are least confident in.
- Start revising early, at least three months before the exams. You certainly don't need to be revising intensively early on, but recapping content you struggle with early will save you pain in the long run.
- As the exams approach, try to slowly increase the amount of time you are revising (but take breaks, because it is easy to burn out).
- Finally, contrary to what many people say, cram before the exam. A-Level exams do require a certain amount of knowledge regurgitation, so trying to briefly recap as much of the course in the few days before the exam can help shift superficial or reference knowledge into your short-term memory.
2)
- Maths primarily requires practice. Doing as many of the practice questions from the textbook and revision guide(s) will help you gain an understanding of the content. Save past papers to nearer the end of your revision to test and measure your proficiency and identify holes in your knowledge.
- Physics also requires practice, but it addition, there is an element of knowledge retention and memory involved. I found making flashcards really helped with this, and I created a little spreadsheet that paired with the flashcards, so I could track which flashcards I was consistently struggling with, this allows you to focus your revision to the areas that need attention. (I didn't take chemistry A-Level but I would imagine the revision style should be similar to physics).
3)
It varied. Some days I managed very little whereas other days I managed 8-10 hours. You can only do what you can do, and overworking yourself will cause burn-out. The best thing to do is to try to work productively and efficiently, rather than sitting there procrastinating. Making to-do lists and using a pomodoro timer can help with this.
4)
This is going to sound cynical but my mentality was to treat A-Level exams as a sort of game or set of hoops you need to jump through. They don't really test knowledge or intelligence particuarly effectively (nor do GCSEs) and can definitely be gamed. I know plenty of people who are more intelligent than me who scored lower in their A-Levels, the trick to doing well is to get good at taking exams, and to learn what the examiner is looking for. For maths, this would be showing clear workings, and walking the examiner through how the correct answer can be obtained. For physics, this would be writing clear and concise answers that precisely answer the question without waffle. Bear in mind though that this mentality does not transfer to university though, where having a genuine and deep knowledge of the subject matter is critical.
5)
- Just do your best. Seriously, exams are never the be-all-and-end-all. Don't be too hard on yourself.
I hope some of this is helpful.
[Context: I took Maths (A*), Further Maths (A*), Physics (A*), Geography (A), EPQ (A*)].