January 29, 2013
Teacher Crystal Kirch, center, talks to her students in her pre-calculus class at Segerstrom High School in Santa Ana, Calif., Wednesday, Jan. 16, 2013. A growing number of teachers are implementing what is known as "flipped learning," in which students learn lessons as homework, mostly through online videos produced by teachers, and use classroom time to practice what they learned.
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When Timmy Nguyen comes to his pre-calculus class, he's already learned the day's lesson — he watched it on a short online video prepared by his teacher for homework. It's a technology-driven teaching method known as "flipped learning" because it flips the time-honored model of classroom lecture and exercises for homework — the lecture becomes homework and class time is for practice.