In 2000, Maureen Lach, Glenn Pratt and Michael Treglia of the United States introduced their "flip teaching" model and their achievements in teaching "Introduction to Economics" at Miami University. However, they did not put forward the term "flip classroom style" or "flip teaching".
In 2000, J.Wesley Baker published a paper "Classroom Flipping: Using Online Course Management Tools to Be a Guide" at the1/International Conference on University Teaching.
In 2007, Jonathan Bogman and Aaron sams, chemistry teachers at Woodland Park High School in Colorado, USA, adopted the "flip classroom" teaching mode in their classes, and popularized it in American primary and secondary education. With the development and popularization of the Internet, the method of flipping classrooms has gradually become popular and controversial in the United States.