Question: I have a 16-year old, Jr in high school 2e child. He was always good at and loved math. At one point he was on track for Calculus in 10th grade. Now, he can't make it past Algebra II. As near as I can figure out, he doesn't like just learning the algorithms, he wants to understand why things like the quadratic equation work the way they do. We're doing an online charter high school with access to many programs. Tried Silicon Valley but he didn't like the format of various unconnected YouTube videos and webpages. Tried a short course through art of problem solving, which he liked, but the chat only format gave him too much leeway to zone out. ...