You might try a musical instrument, that's a pretty good time gobbler. Videos by Standard Deviants, available on Netflix. Check out her Math level, and if she is can do this:
http://data.artofproblemsolving.com/aops20/courses/Prealgebra1/PreTest.pdf
try her for online Art of Problemsolving PreAlgebra 1.
Or get her the book and let her work though it with an adult first, and then do the online class.
Is there anyone you can barter afterschooling with - you send your kid to my house where I'll teach X, then tomorrow I'll send my kid to your house where you'll teach Y.

Good luck,
Grinity

Coaching available, at SchoolSuccessSolutions.com