Take a moment to solve this problem using any method you wish… A farm has a total of 480 llamas and alpacas. of the number of llamas at the farm are equal to of the number of alpacas. How many more alpacas than llamas are there? I’ll wait. . . . . . […]
I have been a mathematics instructional coach for 15 years. Prior to that I was a secondary mathematics teacher for 20 years. (Yes…I’m old.) For most of my career I have observed the importance of teachers knowing…really, really knowing…the math they teach. I’m not talking knowing the math well enough to get the answer, but […]
This is a photo of Dave and me standing on a balcony with a glass floor…103 floors above a crowded street in Chicago. What does this have to do with professional development? Read on. Changing how we teach is one of the most significant challenges in education. For decades, we have followed a standard script […]
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