Well I've been debating this for quite a while now actually... I ended up putting down Maths, Physics, Geography and Chemistry... although I'm not too sure as to whether to swap Chem for Bio or Government and Politics- Hence the uncertainty.
Because it’s the w o r s t It requires about 4x as much work as any other subject to get the same grade, the step from GCSE is massive - bigger than Chemistry in my opinion and that’s pretty big - and if you don’t genuinely enjoy it, you won’t do well.
I quite like maths but yeah I would definitely say make sure you really enjoy maths and then you'll find the work more enjoyable and interesting