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Using Polygons Card Sort Activity to Attend to Precision in Geometric Vocabulary and Concepts

Technological tools can be used in teacher preparation programs to develop students’ conceptual understanding of the properties of polygons and to communicate appropriate vocabulary (Kartal & Çınar, 2024). The exploration opportunities afforded using technological tools, such as Desmos, can help students develop conceptions of shapes, engage in informal deduction, and enhance their mathematical vocabulary (Herman, […]

Date:
January 3, 2025
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Reflections on Teaching about Symmetry and Mutuality

I remember well the day I first met Ms. Trump. I had been hired to teach mathematics at Pulaski County High School in Southwestern Virginia. My arrival in August 2003 coincided with the retirement of the mathematics department chair, and Diana Trump was his replacement. She explained that with their seniority system, I was assigned […]

Date:
February 25, 2022
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2021: Looking Back, Looking Forward

With 2020 in the rearview mirror, we take a moment to pause and reflect on some of what’s happened since the last newsletter. The rising incidence of COVID-19 infections brought with it a massive upheaval for American higher education institutions—forcing students, in many cases, to vacate dorms, and instructors to rapidly transition from hybrid to […]

Date:
March 5, 2021
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Facilitating Mathematical Discourse Online

“Social interaction provides us with the opportunity to use others as resources, to share our ideas with others, and to participate in the joint construction of knowledge.”(Smith & Stein, 2011, p. 1) The rapid transition to online instruction in the spring forced many instructors to develop remote learning strategies that sacrificed high-quality instructional practices out […]

Date:
October 27, 2020
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Teaching Geometry during the Pandemic

Here we are with GeT: The News! It’s May of 2020, and what’s new? Since the last Newsletter, COVID-19 has brought challenges and changes to everybody in the world, including those of us in higher education. Lives have been lost to COVID-19, including those whose work was close to the work of our community. Among […]

Date:
May 21, 2020
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