1-1 tutoring

If you are local to Astoria, we could likely meet within a week (email me).

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Some Resources I Like

For mathematics, one of the best resources to learn problem solving starting from absolute beginner mode is the Phillips Exeter problem sets page. After a solid grounding in the high school stuff, the next step is usually Calculus, but I don't know if that's actually optimal.

In particular, I suspect it's about 50/50 whether a student will have a better time learning continuous math (calculus, topology, geometry) or discrete math (algebra, number theory, combinatorics) first. So my advice would be to sample two books: Spivak's CALCULUS and Aluffi's Algebra: Notes From Underground.

Neither of those are free, though, so: I point you to Jerry Shurman's website, where one can find notes on: Calculus (including quadrature of the parabola!), (Abstract) Algebra, Complex Analysis, and Number Theory. Also helpful at this level is Keith Conrad's table of mathematical blurbs.

For studying finite groups, GroupNames is nice. Similarly, there's pi-base for learning about specific topological spaces. For an aerial view of mathematics from first principles, check out metamath proof explorer.