Even just an example that everyone is screaming about as logic-chopping and cheating is a good and important example worth thinking about That it's easy to add 2 pounds to 2 pounds and get 5 pounds, if you're using a scale that rounds 2.2 and 2.4 down to 2 and rounds 4.6 up to 5
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Replying to @arthur_affect @perdricof
The issue is common understanding for meaningful communication among a general public. On your example, how is that hypothetical scale better than the sort you encounter in real life? Seems definitively less precise, no?
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Replying to @Aya62335284 @perdricof
All scales that exist in the real world are this scale, it just depends on the scale (so to speak)
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Replying to @arthur_affect @perdricof
Does some degree of rounding? Sure. The degree you present? I don’t want to pay for (ca) 5 pounds of meat with (ca) 4.6 pounds. And again, this is a deflection of the point of general communication/ common understanding.
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Replying to @Aya62335284 @perdricof
Yes, I understand that you think mathematical education is just a matter of telling kids how to punch numbers into the calculator on their iPhones and that any further thought about the relationship between those abstract functions and the real world is a woke waste of time
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Replying to @arthur_affect @perdricof
Sounds like a fun argument to have with a street vendor when purchasing food upon encountering less than careful rounding.
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Replying to @Aya62335284 @perdricof
It is only by having some understanding of this concept that you would have any basis for having the argument!
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My God I'm so fucking sick of conservatives ranting about "New Math" or "Common Core Math" as though the "good ol' fashioned cipherin'" they think is so important to teach kids isn't the *least relevant part of mathematical education by far*
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Replying to @arthur_affect @perdricof
Buddy 1)?I’m not conservative 2) I’m talking about shared understanding.
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You're being an annoying conservative about this issue, I don't give a damn who you vote for
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Replying to @arthur_affect @perdricof
I’m not. Open a shop on a street market and start talking about how 2+ 2 = 5.
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What a strange pedogagocial argument
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End of conversation
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