Curated Tumblr

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For preserving the least toxic and most culturally relevant Tumblr heritage posts.

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Hungry 9 (lemmy.likes.cat)

submitted 1 month ago by sag@lemm.ee to c/curatedtumblr@sh.itjust.works

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[–] Reddfugee42@lemmy.world 17 points 1 month ago (1 children)

You're old school, like me. You're literally describing the "new math" that boomers hate. Teachers are finally teaching kids to do it the way we've always done it in our head.

"8 + 7 is awkward, but if you take two from seven and give it to eight, now you have 10 + 5 and that's easy mental math."

[–] captainlezbian@lemmy.world 17 points 1 month ago

And the reason they teach it that way is because it’s what the people who are good at math were already doing. Math isn’t about memorization it’s about understanding how numbers work and that’s how numbers work