Quotes From "Teach Like A Champion: 49 Techniques That Put Students On The Path To College" By Doug Lemov

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One of the problems with teaching is that there's a temptation to evaluate what we do in the classroom based on how clever it aligns with a larger philosophy , or even how gratifying it is to use not necessarily how effective it is... Doug Lemov
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...we spend a lot of time defining behavior by the negative "that was inappropriate." These commands are vague and inefficient... Telling students what to do in a way that is specific, concrete, sequential and observable refocuses us on teaching. Doug Lemov