The other day I was in a class doing a demonstration on what a lesson looks like in the style of Building Thinking Classrooms. The concept we wanted students to learn was sorting decimals. Here was the task… At first, we asked students to simply sort the decimals from least to greatest in order to […]

ANSWERS here: https://youtu.be/Nn9J-UVb1XU

ANSWERS: https://www.youtube.com/watch?v=VWt9h8yHcv8

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Years ago I was invited by my district office to leave my classroom of 26 years to become an instructional coach serving 300 K-5 teachers as they transitioned to Common Core. Up to that point I was happily and successfully teaching math to middle school students. I also coached the golf team and was one […]

The report, Adding It Up: Helping Children Learn Mathematics, begins with a strong statement, “All young Americans must learn to think mathematically, and they must think mathematically to learn.” Adding It Up breaks down what it means to think mathematically into several strands of proficiency. These abilities are described as five interwoven and interdependent strands. The […]