Increases can increase! We created "filling area" animations, in which students could explore changes in length and area. How students conceived of the "things" that were changing linked to their notions of increasing increases. https://t.co/vWPfkQBpo9 #op
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2,164 followers
Graphs and charts are everywhere these days. How can students make sense of "increasing increases"? Re-sharing an article we wrote in 2018. https://t.co/vWPfkQBpo9 #openaccess #mathed #MTBoS
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@KentHaines @mpershan You might have to refine how you look. Local theories can build on grand theories, such as Piaget's constructivist theory. You won't find Piaget if you search our #openaccess article, but Thompson's theory builds from it. https://t.co
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It matters who our research participants are. Our students are experts in their math reasoning. As researchers, we learn from them. https://t.co/vWPfkQBpo9 #openaccess #MathEd cc @bzahnersdsu