This edX course from the University of Pennsylvania defines blended learning and details the methods, technologies, advantages, and challenges of this mode of education.

The days of strictly teaching in a classroom are long gone.

The internet has made the world a much smaller place, and technological advancements have allowed blended teaching to gain momentum and engage more students.

Betty Chandy is a lecturer at the Graduate School of Education at the University of Pennsylvania and the program director of the Virtual Online Teaching program, or VOLT.

Fellow course instructor Barbara Kurshan is the executive director and senior fellow in education at UPenn's Graduate School of Education, while Donna Murdoch is an instructor in the VOLT program.

In Introduction to Online and Blended Teaching, these educational experts explain blended teaching models, the technologies needed to make them work, and the advantages and challenges of this mode of education.