Mathematics in Action: An Introduction to Algebraic, Graphical, and Numerical Problem Solving, Fourth Edition, is intended to help college mathematics students gain mathematical literacy in the real world and simultaneously help them build a solid foundation for future study in mathematics and other disciplines. Our team of fourteen faculty, primarily from the State University of New York and the City University of New York systems, used the AMATYC Crossroads standards to develop this three-book series to serve a very large population of college students who, for whatever reason, have not yet succeeded in learning mathematics. It became apparent to us that teaching the same content in the same.