> The OP is talking about teaching community college mathematics. That's not introductory university mathematics; if you are lucky it's Pythagoras' Theorem and

> The OP is talking about teaching community college mathematics. That's not introductory university mathematics; if you are lucky it's Pythagoras' Theorem and quadratic equations. W. W. Sawyer's books, such as Mathematician's Delight[1] and Vision in Elementary Mathematics[2], seem to be exactly for this audience. [1] https://www.amazon.com/dp/0486462404/ https://www.amazon.com/dp/0486462404/ [2] https://www.amazon.com/dp/048642555X/ https://www.amazon.com/dp/048642555X/