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Open peer commentary on the article “Elementary Students’ Construction of Geometric Transformation Reasoning in a Dynamic Animation Environment” by Alan Maloney. Upshot: Parnorkou and Maloney describe how a dynamic animation environment, Graphs ’n Glyphs, supported fourth-grade students’ understandings of translations and rotations. Two elements were critical in their teaching experiment: the design of the software and tasks. This commentary focuses on the decisions that they made and possible implications they had for students’ reasoning.
Hollebrands K. F. (2015) Reasoning in a dynamic animation environment. Constructivist Foundations 10(3): 350–351. http://constructivist.info/10/3/350
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