Another strategy we used for high school math was "Calculus Made Clear" from The Teaching Company. The course wouldn't be enough for a stand-alone Calculus course, but it's a wonderful, wonderful supplement. It is light on numbers but very clear in their explanations. The first time we saw it, my younger son was doing pre-Calculus and my older son was in Calculus. I told them to watch one lesson a day, but the boys loved it. They actually watched the whole thing through twice, and watched some lectures three times. They ended up getting a 4.0 when they moved on to college Calculus and Differential Equations. They even told me that I should never sell it! It really, really helped my sons have a thorough understanding of Calculus. Here is the link: Calculus Made Clear.
Every once in a while, I'll run across a parent that says "My child is struggling with a gaming addiction" or other tech-related addiction. Often, these parents will say, "She's