GeoGebra in Active Learning: Discovery and Proof in Euclidean and Non-Euclidean Geometries
Friday, April 9th, 2025
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Sarah J. Greenwald
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A Simulation to Support Noticing of Students’ Mathematical Work in Problem-Based Mathematics Teaching
Friday, March 28th, 2025
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Patricio Herbst & Amanda Brown
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Incorporating Non-Euclidean Geometry Into Your GeT Course: Sparking Students’ Imaginations and Building Their Understanding of Geometric Concepts
Friday, March 14th, 2025
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Nat Miller, Tabitha Mingus, Steve Szydlik
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Engaging Students with Geometry: A Cyclic Pedagogy
Friday, February 14th, 2025
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Barbara Reynolds & Bill Fenton
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Measuring a Giant: Instructional Activities on Scale in Math and Science
Friday, December 6th, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Patrick Shipman & Stephen Thompson
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Constructions to the Rescue
Friday, November 22nd, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Michael McDaniel
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Geometric Puzzles for Prospective Math Teachers
Friday, November 8th, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Henri Picciotto
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Going the Distance in Geometry for Teacher Courses
Friday, October 25th, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Wayne Nirode
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How Does an Instructor of the Geometry for Teachers (GeT) Course Build a “Thinking” Geometry Classroom?
Friday, October 11th, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Mara P. Markinson
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Considering the Structure and Logic of Definitions and their Critical Role in Geometry Courses for Teachers
Friday, March 8th, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Michelle Cirillo, Amanda Seiwell, and Casey Griffin
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Do We Need a Separate Philosophy of Geometry?
Friday, February 16th, 2023
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Martin Flashman
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Euclid in the Eye of the Beholder: Which Elements Should We Honor?
Friday, January 12th, 2024
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Eisso J. Atzema
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Explicitly Engaging Students with Learning Outcomes in a Flipped, Hybrid Geometry Course
Friday, December 8th, 2023
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Sarah J. Greenwald
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Bulgarian Experience in Teaching of School Geometry for Future Mathematics Teachers
Friday, November 10th, 2023
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Kiril Bankov
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Using the Visual Arts to Help Students Understand Geometry Presenter: Cathy Gorini
Friday, October 20th, 2023
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Cathy Gorini
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David Henderson's Experiencing Geometry
Friday, September 22nd, 2023
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Dr. Daina Taimina
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Two New Chapter Pitches for the Upcoming GeT Book
Friday, April 28, 2023
11:30am PT | 12:30pm MT | 1:30pm CT | 2:30pm ET
Claudine Margolis, Soobin Jeon
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Half a proof is no proof, but progress is progress
Friday, March 10th, 2023
11:30am PT | 12:30pm MT | 1:30pm CT | 2:30pm ET
Theron Hitchman
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Student Learning Objectives for Geometry for Teachers Courses
Thursday, December 15th, 2022
1:00pm PT | 2:00pm MT | 3:00pm CT | 4:00pm ET
Tuyin An, Orly Buchbinder, Dorin Dumitrascu, Erin Krupa, Laura Pyzdrowski, Sharon Vestal, Steve Boyce, Steve Cohen, Henry Escuadro, Nat Miller, Steve Szydlik
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What Geometric Knowledge Do We Need to Teach Future Geometry Teachers?
Friday, November 4th, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Priya V. Prasad
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Connections Built and Lost within and Across Geometries with Transformations in School Geometry
Friday, October 28th, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Dr. Celil Ekici
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Conversation with editors of the upcoming volume “The GeT course: Resources and Objectives for the Geometry Courses for Teachers.”
Friday, October 21st, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Amanda Brown, Dr. Patricio Herbst, Dr. Nathaniel Miller, Dr. Laura Pyzdrowski
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Exterior Angle Theorem in Spherical Geometry
Friday, October 14th, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Younggon Bae
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You Have to Draw the Line: Constructions in Hyperbolic Geometry
Friday, September 23rd, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Stephen Szydlik
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Lessons Learned from using FullProof, a digital proof tool, in a Geometry for Teachers Course
Friday, May 13, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenters: Orly Buchbinder, Sharon Vestal, & Tuyin An
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An Illustration of How to Use Geometry Problems to Teach Mathematical Ideas
Friday, May 6, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Gil Schwarts
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Axiomatizing Geometry from a Transformation Approach
Friday, April 29, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Yvonne Lai
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Exploring Contemporary Geometry for Secondary Teachers
Friday, April 8, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Younggon Bae
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MODULE(S²) Geometry: Connecting College Geometry with K-12 Teaching
Friday, April 1, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenters: Dr. Alyson Lischka and Dr. Emina Alibegovic
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Theo’s reinvention of the logic off conditional statements’ proofs rooted in set-based reasoning
Friday, March 25, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Paul Dawkins
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Galileo & the Geometry of the Strength of Materials
Friday, February 18, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Dr. James Madden
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Engaging Prospective Teachers in Defining Mutuality
Friday, January 21, 2022
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenters: Steve Boyce, Julia St. Goar, Laura Pyzdrowski, Ruthmae Sears
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Investigation sequences in dynamic geometry for a GeT course: the case of similarity
Friday, December 10, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Dr. Orly Buchbinder
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The Teaching and Learning of Geometric Proof: Roles of the Textbook and the Teacher
Friday, November 12, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Mara Markinson
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Making Advanced Mathematics Work for Secondary Teacher Education
Friday, October 29, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Dr. Yvonne Lai
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Dynamic Geometry Tasks to Promote Reasoning in Geometry
Friday, October 22, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Dr. Karen Hollebrands
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GeT SLO’ing: An Exploration Incorporating the GeT Student Learning Objectives (SLOs)
Friday, October 8, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Erin Krupa
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Including Pedagogy in a Geometry for Teachers Course
Friday, September 24, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Sharon Vestal
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Introduction to FullProof – Computer based environment for teaching and learning deductive geometric proofs.
Friday, May 14, 2021
8:00am PT | 9:00am MT | 10:00am CT | 11:00am ET
Presenter: Chaim Ballin
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Teaching with Ethnomathematics: Power Curves to the People
Friday, April 30, 2021
12:00pm PT | 1:00pm MT | 2:00pm CT | 3:00pm ET
Presenter: Ron Eglash
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Geometry in the Common Core State Standards
Friday, March 26, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: William McCallum
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How to Build Basic Logic on the Foundation of Mathematical Categories and Language
Friday, March 12, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Paul Christian Dawkins
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The geometry of sunlight: An examination of naturally occurring parallel lines and the mathematical investigations they inspire
Friday, February 19, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Justin Dimmel
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Transformational geometry, one part of transforming geometry instruction
Friday, January 29, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Henri Picciotto
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Secondary Geometry for Mathematicians and Educators
Friday, January 15, 2021
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Michael Weiss
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Diagrams in Euclidean Geometry: Logical, Philosophical, and Pedagogical Considerations
Friday, November 13, 2020
12:00pm PT | 1:00pm MT | 2:00pm CT | 3:00pm ET
Presenter: Nathaniel Miller
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Animated Contrasting Cases in Geometry (AC2inG): The Design of New Geometry Curricular Modules
Friday, November 6, 2020
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenters: Erin Krupa, Brianna Bentley, & JP Mannix
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What geometry should secondary teachers learn, and what geometry should they teach?
Friday, October 30, 2020
12:00pm PT | 1:00pm MT | 2:00pm CT | 3:00pm ET
Presenter: Emina Alibegovic
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Actively Building Geometry from the Ground Up
Friday, October 9, 2020
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Henry Escuadro
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Reporting on the MKT-G Results from the Geometry for Teachers (GeT) Students
Friday, September 25, 2020
12:00pm PT | 1:00pm MT | 2:00pm CT | 3:00pm ET
Presenters: Mike Ion & Inah Ko
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Experiencing Hyperbolic Geometry
Friday, April 17, 2020
11:00am PT | 12:00pm MT | 1:00pm CT | 2:00pm ET
Presenter: Mary Shepherd
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Geometry and the Visual Arts: What can we learn from teachers’ perspectives about textbook problems?
Friday, March 12, 2020
1:00pm PT | 2:00pm MT | 3:00pm CT | 4:00pm ET
Presenters: Gloriana González & Christine Rinkenberger
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