This was written for my 15yo who hates bookwork but has grudgingly accepted that that's how some things have to be learned. It was written to squeeze in once a week but ideally should probably be done every day (he is trying at least XD). If you're a bit more enthusiastic you can substitute the ORs for ANDs.
Maths
Two pages out of each workbook
OR
one section out of each of the following Khan Academy courses: