Todd Finley (@finleyt on Twitter) is a regular blogger on Edutopia. He specializes in tech/literacy, has taught elementary and eighth to twelfth grade English, and co-developed the Tar River Writing Project. He teaches, researches, works with schools and publishes in the field of curriculum, instruction, and technology.
In honor of Edutopia's 20th anniversary, we're producing a series of Top 20 lists, from the practical to the sublime.
Twenty of My Biggest Teaching Blunders
We teachers make 0.7 instructional decisions per minute, according to research summaries by Hilda Borko and Richard Shavelson. We make them in contexts that shift from hour to hour in overstuffed portables with finicky projectors, after grading, without enough time to collaborate, without enough information and with too much.