I completely agree. By the way, I'm not convinced it's just a U.S. thing. I went to high-school in France for 1.5 years. I also have some exposure to Japanese h

I completely agree. By the way, I'm not convinced it's just a U.S. thing. I went to high-school in France for 1.5 years. I also have some exposure to Japanese high-school math. In both contexts, rot memorization of derivation techniques was at play.