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 3 months ago by [email protected] to c/[email protected]

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[–] Ultraviolet 1 points 3 months ago (1 children)

That's also all common core is. Instead of teaching the line up method which requires paper and is generally impractical in the real world, they teach ways to do math in your head efficiently.

[–] [email protected] 3 points 3 months ago

What is "common core" and what is the "line up method"?