[PastorBooks]

Khan Academy has online videos in math from 3rd grade math all the way up to Calculus. They are free and are said to be of pretty good quality.

https://www.khanacademy.org/math/cc-eighth-grade-math
https://www.khanacademy.org/math/arithmetic
https://www.khanacademy.org/math/algebra
https://www.khanacademy.org/math/geometry
https://www.khanacademy.org/math/trigonometry

If she doesn’t understand the fundamentals, maybe she could start with 8th grade math and work up?

[MacMattico]

Thanks for the links!