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I'm right, ain't I? (lemmy.dbzer0.com)
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[-] slacktoid@lemmy.ml 15 points 4 days ago

My maths teachers encouraged that kinda calculations tbh... Makes sense why I like maths

[-] blindsight@beehaw.org 5 points 4 days ago

It's basically "common core" math (in the US), or just "updated curriculum" everywhere else in the world. Turns out that building fluency with math through play and number decomposition is incredibly powerful for long-term learning.

[-] Pandantic@midwest.social 1 points 3 days ago

You are probably young then. Probably schooled post 2011 when common core started being implemented.

[-] slacktoid@lemmy.ml 2 points 3 days ago
[-] Pandantic@midwest.social 1 points 2 days ago

Maybe you got lucky then, because when I was a kid, rote memorization was the only way teachers would accept the answer. If you changed the problem to 10 + 6 or the one op posted, the teacher would tell you that you did it wrong. This is why I just decided to do this regrouping in my head and just write what the teacher wanted because I would get the right answer anyway and not get told it was wrong.

this post was submitted on 03 Oct 2025
566 points (100.0% liked)

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