The author shares geometry that inspires him.
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The Beauty of Regular Hexagons
Arsalan Wares
Broken Ceiling Lights: Circular Area Without the Radius
Nicholas J. Gilbertson
A customer walks in to a lighting store with a broken ceiling light, and the solution to finding a replacement glass illuminates an alternative approach to finding the circumference and area of a circle without knowing the circle’s center, radius, or diameter.
Construct It! Triangle Puzzle Challenges
Enrique Ortiz
This article presents an original puzzle that supports students’ development of visual thinking and geometry ideas based on the Van Hiele levels of geometric thought.
Imagine It! Choose Your Own Pattern Block Adventure
Anita A. Wager, Brittany Caldwell, and Jamie Vescio
When given the opportunity to play with mathematical materials and ideas, children demonstrate their mathematical understanding in innovative ways.
GPS: Teaching Shapes Inclusively
Samuel Otten, Tiffany J. LaCroix, Faustina Baah, and Rebekah Hanak
Growing Problem Solvers provides four original, related, classroom-ready mathematical tasks, one for each grade band. Together, these tasks illustrate the trajectory of learners’ growth as problem solvers across their years of school mathematics.
Composing Tangram Puzzles to Support Shape Transformation
Laura Bofferding and Yi Zhu
Different types of tangram puzzles can encourage students to make sense of problems and engage in the computational thinking practice of debugging.
Math-Inspired Artwork
Alessandra King, Sophia Ouanes, and Claire Doh
Students and teachers enjoy exploring the boundaries between mathematics and art.
GPS: Triangle Explorations and Constructions Using Robots
Hyejin Park, Tuğba Boz, Amanda Sawyer, and James C. Willingham
Growing Problem Solvers provides four original, related, classroom-ready mathematical tasks, one for each grade band. Together, these tasks illustrate the trajectory of learners’ growth as problem solvers across their years of school mathematics.
It’s Off the Screen: Unearthing Megagons Through Technology
Sean Nank, Jaclyn M. Murawska, and Steven J. Edgar
Mathematical action technology can foster equitable student discourse. Students engage in cycles of proof to create, test, and revise conjectures through dynamic exploration of the Pythagorean theorem.
See, Think, and Wonder Geoboard Art
Enrique Ortiz
Two original images were inspired by the use of an art studio app for digital drawings. This artistic process could be used to help created other original art and during See-Think-Wonder routines emphasizing meaningful observations and questioning skills.
