In this episode of Talk Nerdy, Cara is joined by Ben Orlin, teacher and author of the "Math with Bad Drawings" blog. They talk about the importance of mathematical literacy in modern society as well as ways we can improve math education. They also discuss his two new books, "Math with Bad Drawings: Illuminating the Ideas That Shape Our Reality" and "Change Is the Only Constant: The Wisdom of Calculus in a Madcap World." Follow Ben: @benorlin.