Symmetric dot patterns are a particularly powerful object for investigation, providing opportunities for foundational learning across PK–5. We found that second-grade students naturally used repeated addends to count symmetric dot patterns created using the new software TileFarm.
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Matt B. Roscoe
Top-selling cars in America can be the catalyst that drives an analysis of data.
Matt B. Roscoe
Scaled-up versions of a triangle lead to uncommon proofs of the Pythagorean theorem and rich mathematical connections.
Matt B. Roscoe
Having prospective teachers find the inscribed angle theorem for themselves can foster mathematical reasoning.
Matt B. Roscoe and Joe Zephyrs
Pull on the threads of congruence and similarity in a series of lessons that explores transformational geometry.
Megan H. Wickstrom and Matt B. Roscoe
During a middle school task, students compare the sizes of Lake Tahoe and Flathead Lake.
Steve Pelikan
Edited by Matt B. Roscoe
A monthly set of problems is aimed at a variety of ability levels.
Matt B. Roscoe and Stephan Pelikan
A monthly set of problems is aimed at a variety of ability levels.
Matt B. Roscoe and Stephan Pelikan
A monthly set of problems is aimed at a variety of ability levels.
Matt B. Roscoe and Stephan Pelikan
A monthly set of problems is aimed at a variety of ability levels.
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