I debate whether to sometime mention to DS to notice when Pyhagoras triples show up in problems as a clue to a solution approach. Or maybe that is something one should have the fun of self-discovering.

By the way in Common Core they have Pythagoras in 8th grade and Quadratics in 9th. Progress, I suppose, I know decades ago I had it in Geometry which I took in 9th grade (which was the only acceleration they offered.)