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Maria D. - Natural Math's avatar

I've thought about this for my work, and formed a definition, as follows. Modeling doesn't have to be about connecting math to the physical world, but it has to connect math to a WORLD. I like the old term "microworld" to define what I mean here. "Cinematic universe" or "franchise" are also decent metaphors.

To be useful for teaching, these modeling worlds need contemporary, active, lively fan communities that students can quickly join. Can we build our own little worlds for one math circle or classroom at a time? Maybe, but that's much harder.

In your panel video from 2019, the collection of human creations about mathematical sequences is a big world with a rich history, many living fans, a thriving wiki, lots of publications, and so on. "How did Han Solo make the Kessel run in 12 parsecs?" is a modeling question, even if "Star Wars" is not a real world in the same way that our Sun is real. Likewise, we can model in the world of sequences, IF we know that human-made world enough.

Not everything we learn about is a world in that sense. By my definition, not all learning is modeling. The video's example with the sequences is modeling, because for that particular audience, sequences are a big and rich world. Maybe even a universe!

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Karen Gartland's avatar

The real world vs fake world commentary got me thinking about this thinking as it relates to the post from Sara Vanderwerf yesterday regarding the definition of math....still pondering.....

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