"This is a cool page, but I think it (esp. the l..."

This is a cool page, but I think it (esp. the last paragraph) goes too fast for many math 1 readers, even if it mostly uses things that math 1 people would be able to use. Maybe recategorizing it as math 2 would be best, or expanding things out and being a bit more handholdy, or putting tricky bits as optional hidden text?