Author Archives: pejorgens

Heights, Shoe Sizes and Desmos Snapshots

Do you use activities from Desmos? Have you tried their snapshot tool? This tool was so helpful orchestrating a recent classroom conversation. We started by noticing and wondering about the plots without the context. We noticed that it looked like … Continue reading

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Graphing Back to Back

Long before there were polygraphs my classes were describing and drawing graphs back to back. Students sit back to back with one looking at the screen and the other an individual coordinate grid white board. I display a graph and … Continue reading

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Seeing Red

I have been reading through some of my reflections from the first semester. This one prompted further reflection. 9/27/2017 I had mixed feelings when Desmos announced the card sort option. I love card sorts. I have a cabinet with boxes … Continue reading

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Open Middle, Exponent Properties and Desmos Scientific

How do you help students learn exponent properties? I have shifted over time from presenting properties with practice to exploration using open middle problems. At the end of the year our classes take an assessment called the Geometry Readiness Test. … Continue reading

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The Vocabulary Gap

I have been thinking about formal language quite a bit this summer. My summer started with professional development from Dr. Kenneth Wesson and his work on learning and the brain. His statement that the “vocabulary gap drives the achievement gap” … Continue reading

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Notice and Wonder

In the spring I attended a workshop in San Mateo presented by Michael Fenton. The topic was problem solving and getting students to notice and wonder. I was using the data below in a lesson to my 8th grade math … Continue reading

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The Power of Yet

Welcome! I was a young teacher in the eighties. In search of units and direction I fumbled upon Marilyn Burns’ Math Solutions course. Fantastic course. One of the speakers, Ruth Cossey, gave a talk that changed my mindset. It was … Continue reading

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