Earlier quoted context omitted.
My eldest is in first grade and so far I'm not a fan of the Common Core math. I could make a cynical conspiracy argument that much of it is designed around promotion of the type of technology presented in the article. "Carry the one" is the simplest thing to explain with a pencil and a blank piece of paper. All the additional Common Core techniques seem to require some kind of visual representation, either via the ga…
What if the "one way" doesn't work for some students where an alternative way does? What if the "one way" is interpreted as the only way? A large complaint about math from students (pre common core) is that there is too much memorization. "Is x^1 or x^0 1, or was it 0?" When math is a bunch of memorizations, students can't apply it outside of canned prompts. The goal is to build mathematical literacy and understandin…
Basically, I think for good students, CC just makes them memorize stuff they'd come up with on their own, and for poor students it creates too much confusion such that memorization isn't even effective anymore.