this post was submitted on 02 Oct 2025
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It's funny because when I was in school I use to get lectured for not showing my work the way it was taught, but I didn't like the way it was taught so I came up with my own method. Turns out my method is now what they teach in school (basically, and obviously completely a coincidence).
If you'd like more research and context, the term to search for is "common core math".
Based on your other comments though, you've mostly got it down already though, but for the exact steps you'll be able to find pretty easily.
Rough example (don't quote me on it though, not a teacher): 12 x 7 isn't as "intuitive" as 10 x 7 or 12 x 5. So you do (10 x 7) + (2 x 7) = 70 + 14 = 84. You find the "common" "core" to make it easier, kind of like how we handled multipling fractions. The over all objective is to make it easier to do math quickly in your head, but since they are teaching it to kids, you have to prove you understand the thought process, which makes it seem like it's just over complicating things.
Either way though, kudos to you for trying to learn the new way and helping your kid with their homework in general. No matter what your kid will turn out great with a parent who shows they care like you do.