common core math

[murdered meat bag]

i thought it was shit until i saw how my coworkers count money in the till. instead of counting all the 20s, adding that to all the 10s, and so on, they pile them out in $100 stacks, sometimes all twenties, sometimes 20s, 10s, 5s and 1s together. it's inefficient but it gets the same result as counting all the 20s, all the 10s. the shame is that they're making every kid learn it instead of using it for remdial math classes.

My mom is an elementary schoolteacher. One of the things they have to do is they teach the children to do math a very specific way and if they don't do it that way it's supposed to be counted as wrong, even if it obeys the properties of arithmetic. For example, suppose you have 3 + 17. Maybe you want to do 3 + 7 + 10 = 10 + 10 = 20, but their method wants you to do it as 3 + 2 + 5 + 10 = 5 + 5 + 10 = 10 + 10 = 20, so your answer would be "wrong."

I made up that example, but there's stuff like that where they basically teach the method of derivation as though it is the source of the answer instead of just one way to it. It's completely fucked up and tramples all over how actual (college and graduate level) mathematics is done.

reading this made me realize that that my math teachers wanted us to write out our solutions to see if we were cheating with the answerbook and not because they thought we were dumb.

 

[Seventh Star]

i thought it was shit until i saw how my coworkers count money in the till. instead of counting all the 20s, adding that to all the 10s, and so on, they pile them out in $100 stacks, sometimes all twenties, sometimes 20s, 10s, 5s and 1s together. it's inefficient but it gets the same result as counting all the 20s, all the 10s. the shame is that they're making every kid learn it instead of using it for remdial math classes.

Why does everyone mention stuff like this? Your coworkers aren't children and already know how to do basic operations, instead of getting taught the equivalent of "okay, instead of teaching you kids how to read and write, we will teach you syntactic analysis". It is shit for the poor kids who study it, and even your coworkers probably, since if they havent realized these mental shortcuts, theyre unlikely to understand them quickly enough and it will just frustrate them.

 

[thyme's up]

Former educator here.

Want to make kids feel intellectually insecure? Implement Common Core.
Want to bring kids and parents to tears over homework? Implement Common Core
Want to give teachers a nervous breakdown because they have to tell children who get the right answer that they're wrong? Implement Common Core
Want to make sure the only people who benefit from education are politicians (kickbacks) and textbook/standardized testing companies? Implement Common Core
Want to dumb down the populace so you can control them? Implement Common Core
Etc. Etc. Etc...

There's so much wrong with CC and it's not just math, although that's the most noticeable and frustrating subject.

Thus the reason I'm a former educator.

 

[Slimy Time]

I didn't want to say it in the OP, but the tinfoil hat wearer in me as wonders if this kind of math is done specifically to gatekeep the populace from entering math heavy fields, making them entirely reliant on the "intellectual caste" for decisions.

Wouldn't be surprised. Both gatekeeping as well as keeping the population ignorant. Not math related but I have noticed that Zoomer general knowledge (thanks to a Zoomer sibling and their numerous friends) is severely lacking. Ask them which sides fought which in WW2, they don't know/get it wrong. Not gender specific either, both fuck up. Apparently that's old news thats no longer relevant, in spite it and a lot of modern history being highly relevant to understanding events today.

Common Core uses a bunch of shit that assumes a student has the basics down, but they don't, because they teach the shortcut mental math first.

I get it when I see it, but it makes me want to commit sudoku when I see the kid does not even understand the basics of the problem, let alone the shortcut.

Pretty much this from my understanding. Example would be 8+5=13. Under normal maths you would learn either from finger counting or bags of sweet examples that when you have 8 sweets and Dad give you 5 more, you get 13. Common core would have them do the "trick" for mental maths with big numbers of taking "2 " from "5" and adding it to the "8" to make it 10, then add "3" to make 13 because it's "easier" to do it with big numbers.

Of course, when you are young that shit is beyond confusing.

 

[Seventh Star]

Pretty much this from my understanding. Example would be 8+5=13. Under normal maths you would learn either from finger counting or bags of sweet examples that when you have 8 sweets and Dad give you 5 more, you get 13. Common core would have them do the "trick" for mental maths with big numbers of taking "2 " from "5" and adding it to the "8" to make it 10, then add "3" to make 13 because it's "easier" to do it with big numbers.

Of course, when you are young that shit is beyond confusing.

Good god that is beyond fucking retarded. Of course I do it, but I do not expect or want a kid to do that shit.

 

[Lemmingwise]

I see a lot of people shitting on common core.

How exactly do you plan to collect all of the kids test answers for every test they make into a central database owned by a private company without common core and its proprietary tests?

Do you even think before you criticize a revolution in education?

 

[Drag-on Knight 91873]

Wouldn't be surprised. Both gatekeeping as well as keeping the population ignorant. Not math related but I have noticed that Zoomer general knowledge (thanks to a Zoomer sibling and their numerous friends) is severely lacking. Ask them which sides fought which in WW2, they don't know/get it wrong. Not gender specific either, both fuck up. Apparently that's old news thats no longer relevant, in spite it and a lot of modern history being highly relevant to understanding events today.

The bungling of teaching history is what really annoys me personally. When I hear Millennials complain about studying history, they tell me "it's boring." Even though history is the subject that often talks about war and death and backstabbing. Then they'll watch Game of Thrones. It's not hard to make history into compelling stories because that's what media types do (in a revisionist way). Zoomers aren't alone in their ignorance on this subject.

 

[Aum]

I count with my fingers

 

[Penis Drager]

The bungling of teaching history is what really annoys me personally. When I hear Millennials complain about studying history, they tell me "it's boring." Even though history is the subject that often talks about war and death and backstabbing. Then they'll watch Game of Thrones. It's not hard to make history into compelling stories because that's what media types do (in a revisionist way). Zoomers aren't alone in their ignorance on this subject.

Part if the problem with history is that you can't just teach the cool shit. An understanding of the culture in that time and place as well as the technology and methods they had access to are important for context. And that shit's boring, especially when half the history you're taught is about fucking faggot Injuns and it's all through "noble savage" tinted glasses.

 

[XYZpdq]

I've been in broadcasting for like, a couple of decades, so I understand how shuffling numbers in ways that seem funky to an outsider is useful in circumstances, but yeah you learn to walk before you learn to walk without rhythm.

 

[Drag-on Knight 91873]

Part if the problem with history is that you can't just teach the cool shit. An understanding of the culture in that time and place as well as the technology and methods they had access to are important for context. And that shit's boring, especially when half the history you're taught is about fucking faggot Injuns and it's all through "noble savage" tinted glasses.

Revisionism is definitely the biggest problem with history post 1970s, but teaching about other cultures is the closest a student can get to travelling without actually travelling. That can be made interesting in the hands of a good teacher. Which is the crux of the problem; teachers today only want to BS their students combined with administrators laundering the bond measures stupid people voted for.

 

[Local Fed]

And that shit's boring, especially when half the history you're taught is about fucking faggot Injuns and it's all through "noble savage" tinted glasses.

This is certainly a big factor. I've lamented it before in some thread here awhile back that even as someone who has an interest in history it was hard not to check out in high school when so much of it in our classes revolved around fur traders and guilt trips over residential schools. It was unbelievably dry and I can't say that I retained anything from it other than the knowledge that I don't care about it and never want to hear about it again lol.

 

[Dona Morte]

Former educator here.

Want to make kids feel intellectually insecure? Implement Common Core.
Want to bring kids and parents to tears over homework? Implement Common Core
Want to give teachers a nervous breakdown because they have to tell children who get the right answer that they're wrong? Implement Common Core
Want to make sure the only people who benefit from education are politicians (kickbacks) and textbook/standardized testing companies? Implement Common Core
Want to dumb down the populace so you can control them? Implement Common Core
Etc. Etc. Etc...

There's so much wrong with CC and it's not just math, although that's the most noticeable and frustrating subject.

Thus the reason I'm a former educator.

I am slowly but surely getting to that point.