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you rage you lose
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>>700716494
They're both right. If you're talking fractions the teacher is right, but if the one pizza is bigger then the kid was right. There's nothing to rage about.
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>>700716708
You should've blacked out the name under the picture.
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>>700716579
Common Core... 'Murica.
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>>700716761
The question is clear. "how is that possible?"
so he said how it was possible
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>>700717037
I understand that. However that doesn't make the teacher wrong.
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>>700717143
>were you there?

lol that's great
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>>700717225
It does, because the answer is clear. There is a true and valid answer to the question. It shouldn't be a trick question, it doesn't say "assume the pizzas are the same size"
The teacher is wrong in this instance because the student answered correctly how the pizza could be bigger. The correct answer shouldn't be "it isn't possible" unless there is more to the question.
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>>700716753
And I wondered why 'You should know this' threads are a thing
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>>700717143

this looks totally legit

i bet you wear a fedora everyday
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>>700717224
yeah... bose stands for buy other sound equiptment. your fault if you didnt research beforehand
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>>700716753
What is the old way? How would that equal one?
20 divided by 5 is 4, and two times two is 4, and finally 4 times four is 16. where the fuck does the 1 come from?
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>>700717225
It does. He said a way that it was possible, he can't be told it's wrong.
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>>700716579
this one is particulary nasty. I wonder what kind of major teacher have to pick to teach in the USA. Woman studies maybe ?
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>>700717225
please do not be a teacher
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>>700717225
the teacher marked the kid's answer as wrong. so even if they were both right, the teacher should kick rocks. And the teacher is wrong, because the teacher doesn't realize that a lower fraction of something bigger can be a larger amount.
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>>700717568
>Being this retarded
>20/5(2*2)
>20/5(4)
>20/20
>1
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>>700716809
fake and gay
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>>700717456
Got me.
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>>700717568
20/5(2×2)
20/5(4)
20/20
1
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>>700716753
>>700717426
no... both are not correct...

2*2 is done first, so you have 20/5*4

/ and * have equal ordering, so 20/5 is 4, 4*4 is 16.

wtf is the old way? ignoring order of opperations, and doing 2*2*5, then deviding 20/20?

thats wrong. math has 1 way of doing it. i feel bad for the future of america if this is whats being taught
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>>700716761
Wrong. The question is who ate more pizza, not who ate a larger fraction of his pizza.
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>>700717780

You gotta go back :^)
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Pemdas??? I guess it doesn't matter
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>>700716579
10/2 = x/3
What's the problem?
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>>700717510
don't reproduce
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>>700716809
This is on snopes
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>>700717181
>REEEEEEEEE
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>>700717568
are you serious
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>>700717879
Math is a language and should be taught as such.
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>>700716761
the question should have explicitly stated the pizza's are assumed to be the same size.
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>>700717997
Nvm, I see how this is retarded
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>>700717568
I assume that they somehow think that you have to multiply 5 by 4 first
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>>700716494
the question is "how is this possible?" not "is this possible?"

kid was right, teacher failed to frame the question in context. Beat that teacher senseless.
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>>700718024

you too
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>>700716579
people who think this is wrong are mentally retarded and can't do math

10/2 = x/3

nice try shitheads
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>>700716753
shoop
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>>700717997
to cut a board into 2 peices, you do 1 cut. this took 10 minutes.

to cut a board into 3, you do 2 cuts. 2*10 = 20.
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>>700717862
thats retarded. you first do the bracket, then go from left to right. (since there is no +-)
therefore: 16
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>>700716494
common core teachers, everyone
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>>700718105
ding ding ding
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>>700716494
How does anyone with a teaching degree not understand the difference between quantity and percentage?
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>>700718187
X=15
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>>700718161
smooth
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>>700718215
it's called context, dipshit, it's not about how many cuts you make. the question didn't ask how long it took her to make one cut.
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>>700717037
>english-tier answers on a math test
yeah nah, math isn't a discipline that rewards being a smartass
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>>700718249
Just showing you the "old way."

Calm down moron
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>>700717879

You are wrong.

Actual maths suggests that you simplify the numerator and denominator

i.e.

20/5(2*2) =20/5(4)=20/20=1 #
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>>700717997
the action that takes time is cutting
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>>700716753
Why do they even teach this?
Nobody writes questions this badly. If there is any ambiguity in your question, you're wrong for asking it in that form.
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>>700717568
Order of operations, numbnuts
>Parentheses
>Exponents
>Multiplication
>Division
>Addition
>Subtraction
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>>700717752
Brackets
Exponents
Division
Multiplication
Addition
Subtraction
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>>700716761
No. Kill yourself
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>>700718541
how does that even happen
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>>700717862
Why did you multiply the 5 and the 4 before you did the division. This isnt fucking japanese comics goaing right to left faggot.
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>>700718187
that equation doesn't apply... pretending to be retarded is not trolling, you know that right?

she did a task that took her 10 minutes. she was asked to do that task 2 times.
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>>700718341
uh, the question tells you how long it takes to make 1 cut. it asks for how long it will take to make 2 cuts. that is the context of the question.
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>>700717568
Order of operations
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>>700717225
are you retarded?
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>>700718412
By old way, you mean "right way". Common Core is the single most retarded thing I have ever seen, and it actively contributes to the ongoing stereotype that Americans are all retarded.
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>>700717879
since it is 20 / 5 (2 * 2) you have to do 5 * (2 * 2) before you divide by 20 because there is no "*" shown between 5 and (2 * 2) so you have to take it as a whole number first which is divided by 20
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>>700717752
>What are the rules of PEMDAS
>What is left to right
(You)
>>
>>700718520
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
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>>700717879
5(4) is implied multiplication, so it's subtly different than explicit multiplication like 5*4.
Implied multiplication is done before division and explicit multiplication.
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>>700718412
so "the old way" is completely messing up the order of operations? great
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>>700718341
Are you fucking retarded? It won't take any less time to cut the board just because you are cutting it more than once. If it takes 10 minutes to cut the board once it will clearly take 20 minutes to cut it twice, into 3 pieces. Fuckface.
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>>700718135
that's stupid, once you have the bracket solved, the answer no longer gains any priority over any other part of the equation, it's been solved. idiots.
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>>700718215
Oh shit I'm not guy u responded to but I thought teacher was right until I read this. Algebra is not my strong suit. Jesus Christ this teacher should be gassed
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>>700718640
An example of the old way. Just answering the anon's question. Showing the alternate method... honestly i'm assuming you all dropped out of 3rd grade.
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>>700718520
Incorrect
>>700718776
Correct
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>>700716579
lul i hope this isnt real
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>>700718283
because this was obviously done in america.
and i would know.
i'm american.
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>>700718341
Nice b8, m8.
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>>700717456
I shuddered
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>>700716494
Fucking lost already, maths major.
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>>700718770
>This is the way to test if its real or not
nothing to rage about here
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>>700716753
The question is wrong you fucking idiots, it's phrased wrong, there's no point in answering a question which hasn't been posed correctly.
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>>700717879
>20/5*(2*2)
>20/5*(4)
>20/20
>1
>>
HOLY SHIT THIS THREAD IS RETARDED
>>
>>700716494

It's easy. Say the size of Marty's pizza is positive, while the size of Luis's Pizza is zero. Problem solved. Fuck that teacher.

Catcha: Select all images with pizza.
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>>700718653
no because you also have to measure it first, shithead
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>>700718712
For crying out loud, i just showed an example. I could care less of what method you prefer.
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>>700718475
But there is no paranthesis at that point as you've simplified it as much as possible so it becomes
> 20/5x4
Since multiplication and division are on equal footing, you go from left to right, giving you 16. You don't factor a paranthesis, you eliminate it.
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>>700717879
> Tfw when you are a yuropoo who doesn't understand what the hell Americans are talking about when using math cause they use different symbols
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>>700718781
The only true answer here

20/5(2*2) = 1
20/5*(2*2)=16
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>>700718475
Thats not a fraction, you numbnuts, and if you were to turn it into a fraction it would be (20/5). which (20/5)*(2*2) = (4)*(4) = 16. If you come up with one you were either taught incorrectly or are simply retarded.
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>>700716761
the question asked who ate more not who ate more of their pizza, the kid was right 100%
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>>700718712
This so much, remember when Russia bombed Georgia and muricans were loosing their minds?

Remember when they bought the whole "Sadam had direct involvement in 9/11, here are some JPGs to proove it!"

Though I think the best evidence to support the idea that Americans are all retarded is that they let Jews run their country.

Poor form Americunts, poor form indeed.
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>>700718923
thanks i worked hard
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>>700716809
Holy fuck
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>>700718755
factors carry an implicit multiplication when placed together...
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>>700718149
Even if the question had been 'is it possible', then simply answering 'yes' would have been correct as well with the same explanation.
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>>700716494
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>>700717143
Looks like he gets better grades than I did.
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>>700718541
Nice ass, moar?
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>>700718882
The old way was going right to left. If you go right ti left its 20/5=4 then 4*4 is 16. How else could you do it.
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>>700718809
lost

Realizing that I'm an oldfag. Anyone else played Indiana Jones on disk?
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>>700717879
5 is multiplying (2*2) without the symbol "*" which means this:
20/5(2*2)
20/(5*4)
20/20
1
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>>700717143
What the fuck is going on in schools nowadays?!
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I did this on some online class for my college
The error message is on a tiny pop up, the rest doesn't give alot of context

it made me fail a test and redo an hour of work
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>>700718873
yeah, thats fine... to be honest the question is poorly worded, although intuition is there to exaplin it, the concept of rewriting problems into partitions vs objects doesnt come into corriculum until descrete mathamatics.
also sometimes called the fencepost problem.
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>>700718541
This but with headphone cables. They get stuck everywhere...
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>>700719317
too fucking soon.
lost/10
>>
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>>700716579
A = R * T
Right?
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>>700716761
Read the question. Very specific. How is it possible?
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>>700719357
Oh MyMathLab, how I hate you.
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>>700716990
This isn't reddit.
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>>700718649
No, she was asked to do the original task plus a half. What's so bad about this?
>>
>>700718649
This
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>>700718541
That's why I have traditional knobs in my house.
>>
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>your games are slowing the computer down get rid of them!
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>>700719007
yeah, you fucked up on step 3 buddy.... you do 20/5 before 5*4

please pay more attention in school, and dont become an engineer.
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>>700716761
Common core teacher get out
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>>700719122
20/5(2*2)

Behold the true answer
20/5(2*2)
20/(5*2)*2
20/10 * 2
2*2

4 is the true answer
>>
>>700719075
Anon plz
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>>700718517
parentheses are to contain a separate but relevant equation as written in the root problem, the sum does not gain any priority over the rest of the quation once you have it. It's 20/5x4, which equals 16, no wonder you fucking apes lost the space race
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>>700718882
The old way is going left to right, how else would you do it. You start with 20/5=4 then 4*4=16.
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>>700716579
Since it only takes one cut to make a piece 2 pieces, and one cut took her 10, it would take her either 10 or 20, depending on weather or not you count her first cut.
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>>700719073
I'm with you anon... except it's couldn't care less, not could. That common fucking incorrect saying is more rage worthy than the dumb fuck creationist question.
>>
>>700719499
what makes you "traditional", knob?
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>>700718215
Nice.
>>
>>700719228
Where's the God damn Bernie sticker. Fuck I hate fucking liberals
>>
>>700719228
lost
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>>700718371
this is spacial relation and the kid answered correctly.

the student judging by their handwriting, is still a young child under double digit age. you cannot ask a child who forgot to put "n" at the end of "than" to proof a test. he's going to assume the test is being honest with him.

he reasoned correctly that the only possible way 2/3 of a pizza is greater than 5/6 of a pizza would be if the 2/3 pizza was larger to start with.

that's spacial relation problem solving.

so the question says when is 2/3 > 5/6.

and he says when you have 2/3 of 2 and only 5/6 of 1.

and the teacher marked it wrong. he's not being a smartass. the test was being a smartass.
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>>700718627
can you get these from drinking too much? i've gotten them a couple times but that's the only reason i can think of
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>>700717997
>>700718187
That's not exactly how it works....

It took her 10 minutes to make one cut....

So, if she takes another board and cuts it twice (into three pieces), at the exact same rate (10m = 1 cut), then it will take her 20 minutes to make 2 cuts...
>>
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>>700719493
alright, I giggled.
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>>700717456
Dear god...
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>>700719357
can someone honestly explain how this is incorrect?
how can I conceivably enter a lower case infinity or parenthesis?
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>>700719128
I'll catch the bait here.

20
_______
5(2×2)

It is a fraction.

Also all division is a fraction.

9 divided by 3 is just 9 over 3.

1 divided by 7 is 1/7th.
>>
>>700717037
He didn't answer it correctly. The pizza could be 1% bigger, and the guy still would not have eaten as much. The is a specific size bigger that the pizza would have to be in order to insure that the guy ate more pizza. The kid is wrong because he did not include this size ratio.
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>>700719468
The only problem here is that he has a ps3 instead of a xbox360
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>>700716809
Has to be fake.o bey o bey
>>
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>>700718809
>>
>>700719353
Is he giving a presentation on "weird Facebook"?
>>
>>700717568
everyone falling for this bait
>>
>>700717752
Uh oh, somebody didn't make it past the 3rd grade
>>
>>700718371

If they didn't want smartass answers, they shouldn't ask stupid questions.
>>
>>700718712
Except common core isn't a curriculum, faggot, and the shitty examples you often see are from shitty textbook companies. They aren't common core.
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>>700719532
I would say the answer is 1. Why the fuck do they teach shit like this different ways in different places.
>>
>>700717456
what the fuck man
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I hope you faggots calling "1" and the teachers answers correct aren't trolling. If you're serious, you're the most retarded people ever.
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>>700718475
i think math is something that has always been simplified for you
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>>700719317
https://www.youtube.com/watch?v=cJGzEjCK_5g
>>
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https://www.youtube.com/watch?v=KPcmLki8mPI
NEW IPHONE
>>
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>>700719262
Hard one, actually
I tried so hard not to cringe as well
>>
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>>700719697
You get them from irritating the lining of your mouth. Normally acidic food will do it, but alcohol certainly can too.
>>
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>>700719163
Yeah, I wasn't being ironical.
>>
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Good fucking luck to u all /b/rethren
>>
>>700716708
Not abuse horse pussy too big to feel anything
>>
>>700719317
Explain
>>
>>700719327
That's wrong
>>
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>>700716494
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>>700719930
Shit in parentheses always comes first no matter what side of equation you nigger
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>>700717225
Yes it does. He did not answer the question correctly
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>>700719228
>anonymous mask in the back
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>>700718809
WHHHHHHYYYYYYYYYYYY!!!!!!!!
>>
>>700718873
Teacher IS right, and 4chan is autistic. If she cut a half of the board into half again, cut would be half as long and take half as long to make. I guess you could argue she cut the board flat and just was really, really slow, but that doesn't make sense.
>>
>>700719122
For those of us who actually care about math, there are two possible expressions here:

20/(5*(2*2)) = 1,
(20/5)*(2*2)=16

which ever you mean is essentially down to interpretation of whether division is first or the multiplication is. Unambiguous notation and unclear rules are the issues.

In practice, one would evalute left to right, so (20/5)*(2*2)=16 would be more likely assumed.
>>
>>700717702
A lower fraction of a larger amount doesn't automatically make that quantity bigger. 3/5ths of 501 is still smaller than 7/10ths of 500 even though 501 is bigger.
>>
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>>700719310
>Misogyny is also rampant on the chan boards
>An activist trying to change society

wew lad
>>
>>700716494
fuck this, i lose
>>
>>700720060
Please evacuate newfig roooooo
>>
>>700719703
you're thinking of 10 minutes to make 1 cut. the problem is looking for 10 minutes to make 2 pieces of wood. learn to read
>>
>>700719540
This. Thank you for saving me the buttons pressed.
>>
>>700720136
No
>>
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>>700719525
Are you stupid?
Multiplication takes precedence over division so:
>20/5x4
>20/20
>1

Christ, you fucking morons never learn.
>>
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>>700717143
Number 5 is correct I guess.
>>
>>700719087
>>700719128

lol what the fuck do I know about maths...
>>
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>>700716579
Lol one cut is ten minutes but 2 cuts is 15¿
>>
>>700717143
This is one of the reasons i stopped believing in religion
>>
>>700720046
"i was only pretending to give out a compliment, which i will now retract because i'm retarded"

i'm not even the same anon i just thought i'd take advantage of the situation lol you just got owned
>>
>>700717568
Order of operations kiddo
>>
>>700719949
I was actually driving behind this car the other day
>>
>>700718249
retard alert
>>
>>700718120
What's really fucked up is that it did in fact specifically ask how 4/6 could possibly be larger than 5/6. The kid is a fucking genius.
>>
>>700719317
TOO FUCKING SOON
Stop talking about it now!
>>
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>>700719228
>>
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>>700718823
taking the bait so hard
>>
>>700720115
And?
20/4(2*2)
20/4(4)
20/4*4
4*4
16
>>
>>700720312
Dr. Penesis. lol What a cock
>>
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>>
>>700716494
>>
>>700717225
It does.
>>
>>700720235
I was also taught always multiply and always do shit in parentheses first. Do they really teach us different ways or is everybody trolling fags
>>
>>700720234

Meh, some shit tier rares ripped up. Who cares.
>>
>>700720075
It isn't. Why you say that?
>>
>>700716753
common core propaganda...

the old way would dictate the answer on the right, common core would simply say the wrong answer on the left is "equally correct"
>>
>>700720108
what
>>
>>700720312

lmfao this guy took this picture and saved it specifically in an attempt to show off in these situations. Pretty sad.
>>
>>700719915

7 years. 7 years I've been on this site and this photo has never been surpassed in terms of how much it makes me rage. I sincerely hope this garbage procreated and it's offspring is raped by a pack of niggers in front of it.
>>
>>700717037
I saw those, then I saw a 25 foot one for ten dollars that just said "HDMI 25' " a brand logo and barcode and a warranty for a year. Which do you suspect I bought.

>the Xbox one cost over $40 before tax
>>
>>700719357
I remember calculus
>>
>>700719116
wat? How fucking Europoor? UK, France and Ireland I know for a fact know those COMMON fucking symbols. Did you just crawl out of a forest in somefuckingwherestein or what?
>>
>>700716753
That's a fake picture.
>>
>>700719122
>>700720390

see, the problem is: there is no such thing, as a "implied multiplication".
The problem with this problem is, that its simply badly written, thats why it can be confusing.
20/5(2*2) is something no mathematician would ever write, its either 20/(5[2*2]) = 1 or (20/5)*(2*2) =16.

No fuck off with your "old way" and "common shit"
>>
>>700719310
Seems pretty accurate.
>>
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>>700719577
No Brits allowed
>>
>>700719637
>implying that isn't some autistic r/TheDonald supporter
>>
>>700719879
Why do they teach you to multiply before you divide even though the division comes fucking first. You read it twenty divided by five times four.
>>
>>700719853
>>700718781

>says i cant do math
>>
>>700720312
Post tits plz
>>
Tom Cruise, I woke up and I've been sleepy all day my anus hurts. Its not funny. It will happen again tonight, I already know that. And if I catch him, I'll kill him and I don't want to! YOU DO IT!

PLEASE TOM CRUISE

I WANT TO LIVE, He's getting scared that I told someone, he might be even worse tonight! I don't know! This feeling I'm having, that there's bruises left over, or that he might rape a ten year old little sister of might instead of me,
for only a thousand dollars, he'd take a hymen.

That's not good, that NOT OKAY.

IM HURT TODAY,
But my little sister hasn't has her period yet.
She could die all in one night!

Please help us Tom Cruise, please help.

What if my friend who's a lookalike couldn't get away with the murder or help me send him to prison

Please Tom Cruise.
>>
>>700717921
No. The question is how is it possible that Marty ate more pizza. Fuck you are all stupid.
>>
>>700720335
Woah dude
>>
>>700717181
Raged
>>
>>700719782
>being a microshill
Face the facts, xbox only exists because they paid off bungie for their halo game that originally was supposed to be for MACs.
Without Halo, xbox would be dead and forgotten right now.
>>
>>700719542
But i can put less care into it.

"I could care less"

Saying, "i couldn't care less" is saying you could care more meaning you are concerned with that opinion.

I wasn't concerned with the opinion.
>>
>>700720153
please never become a teacher, or better plz kill yourself thx.
>>
>>700719697
I get em from drinking orange juice sometimes
>>
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>>700718131
Am proud son. tits as reward
>>
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>>700720508
>>
>>700719438
(n-1)*T=?

n=pieces
T=Time

if n=2 ->10min, then T=10

(3-1)*10=20min
>>
>>700720594
Are you fucking retarded, you can even code with 5(2*2)
>>
>>700719754
might have been subscripted?

If you know latex, you'd at least understand how there could be issues. Regardless, yes, shitty instruction tools, although they have existed since the dawn of time.
>>
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>>700720029
>>
>>700718809
The whore pinned it with a magnet
>>
>>700716579
Of course it would take a woman 10 goddamn minutes to saw a board into two pieces.

If anything it is teaching boys early that women are useless for manual labor and that their place is in the kitchen.
>>
>>700718781
>implied
>IMPLIED
>IMPLIED MATHEMATICS
>IMPLIED MATHEMATICAL IMPLICATIONS
>IMPLYING MATH EQUATIONS
>IMPLYING YOU OR ANYONE FROM YOUR BUTTFUCK AMERICA TOWN KNOWS ANYTHING ABOUT MATH
>IMPLYING MATH ISN'T SOMETHING OTHER THAN A COLD HARD REALITY THAT CANNOT AND WILL NEVER LIE TO YOU OR TREAT YOU WRONG
>IMPLYING MATH IS JUST A FICKLE SLUT LIKE YOUR AMERICAN EDUCATORS, TO FLIP FLOP AND BE USED TO CREATE ILLUSION
>IMPLYING IM NOT DOING THE EQUATIONS TO MY MASTER PLAN OF CAMPING OUTSIDE OF YOUR HOUSE FOR A YEAR BEFORE I SET A LOOSE A PACK OF WILD ANIMALS IN YOUR BASEMENT, CHASING YOU OUT OF THE HOUSE SCREAMING INTO THE ARMS OF YOUR PERCIEVED SAVIOR, ME
>IMPLYING YOU'RE NOT GOING TO SHIT YOUR PANTS IN FEAR AS I HOLD YOU EVER TIGHTER AND TELL YOU EVERY GROSS AND TERRIFYING DETAIL OF THE IMPLIED MULTIPLICATION WE ARE GOING TO PERFORM
>>
>>700719357
Every fucking time
>>
>>700716753
Common core is right idk where the rage is here

Parentheses
Left to right Multiplication and Division

20 / 5 (4) = 4 (4) = 16
>>
>>700716761
The answer isn't the rage part. It's the stupidity of the question
>>
>>700720461
>Shit tier
>>
>>700719087
But you must multiply before dividing. Also when an equation is part of a fraction you work it out before solving the fraction.
>>
>>700717225
Yes it does kill yourself
>>
>>700718809

Bitches r dumb
>>
>>700720969
Yes. That is the point of the joke.
>>
>>700720060
Its very simple.

Lurk moar
>>
>>700720927
julia allows implicit multiplication, although it is really a function call, and so, is evaluated first.
>>
>>700720981
it's a fake pic retard.
Common core is just a method of counting for little kids who have trouble doing it the original way.
>>
>>700718513
>>700719002
>Ambiguous
>Hasn't been posed correctly
Have you fuckers ever seen an arithmetic problem before? There is no ambiguity here, you just don't know the order of operations.
>>
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>>700719353
>>
>>700720312
>australian
nothing
>>
>>700721151
No u are fake
>>
>>700718520
Both are correct
-Brackets/Parentheses/Braces/Unary operators done in order of nestedness
-Exponents
-Multiplication and division, done from left to right
-Addition and subtraction, done from left to right

Graduating High school and not knowing that subtraction and division are not commutative.
>>
>>700720196
>mom how do I make 2 pieces of wood out of one piece
>>
>>700717568
BODMAS you fucking pleb
>>
>>700720235
There is no precedence between the two, hence pemdas, bedmas or whichever fucking one you have can still be correct. They are the same 'tier', they come before additon and subtraction, which are also on the same 'tier'. You go left to right when dealing with division/multiplication and you go left to right when dealing with addition/subtraction. No trolling, no baiting, it just is.
>>
>>700716753
Well even an old version of Excel, when type it in, comes up with answer of 16.

So it damn sure isn't the old way = 1.

Blonde teachers kinda cute though.
>>
>>700717143

I don't see anything wrong with this. You're just a fedora fucker with a numerous fedoras with cumstains on them.

I'll bet you even have a neck beard as well.
>>
>>700716494
>>700716579
Both of these are retarded. If my kids come home with bullshit like this on their schoolwork there will be a problem, and it will make national news. Teachers like this are why Americans are so fucking stupid now.
>>
>>700720403
It's 20/5(2*2), you dyslexic fuck
>>
>>700720312
yeah i bet you're getting a real good education from that fat fucking cow. do you guys say crikey when you finish an equation? lmao
>>
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>>700719313
Look at it like this
>>
>>700720927
ofcourse you can, because there is a "implied" multiplication there. BUT, what I meant was, that there is no difference in implied, and normal mulitplication (as stated by >>700718781)
It doesnt behave any different, you still go from left to right, following the order of operations.
The problem is still badly written since it can be misunderstood, which should NEVER happen
>>
>>700719357
>>700719480
doing work on mymathlab right now, and i have to admit it doesnt seem as bad as people make it appear. then again, im doing calc 3 and there arent many answers that require infinity, coordinates, or interval notation, which seems to be where mymathlab fails.
>>
>>700721029

Goblin guide is decent I guess and it looks like there is a noble hierach tucked in the back. The rest are junk.
>>
>>700720529
>being this new
>>
>>700719915
>People who have difficulty realizing I'm smarter then them
>then

What a fucking dumbass
>>
>>700719228
clearly parking lot at the fedora factory
>>
>>700716753
There is a reason fractions exist. if you use a fraction instead of the divion sign it would be unambiguous. I mean it is now as well but it would make the problem clearer.
>>
>>700718894
You are fucking retarded.

PEMDAS and BEDMAS are the same thing and Multiplication and Division are done from left to right. It doesn't matter which order they are in the acronym. If multiplication comes before the division in the equation, you do it first and vice versa.
>>
>>700721320
that would be 20/[5(2*2)]
>>
>>700716494
iTT murricans teacher
>>
>>700717224
>not putting it in the first or last outlet so it only blocks 1 outlet instead of 2

Consumer error
>>
>>700720470
Pemdas
20/5(2*2)
4(4)
16
That's how, you fucking idiot
>>
>>700720273
There is no god...
>>
>>700721279
Nice try, but you can't make me rage, because you are an atheist as well and are just pretending to be a shithead.
>>
>>700719228

>typical atheist
>>
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>>700720048
I lost my shit.
I'm done
Fuck this earth.
>>
>>700719754
I believe the difference is the space after a coma
>>
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>>700718585
>>
>>700721465
Either way you still multiply before you divide and you work out parentheses before anything else. 2x2=4. 4x5=20. 20/20=1
>>
>>700717879
>>700717568
>at least going off memory of what I was taught

In this equation, two numbers are being divided, 20, and 5(2*2), 5(2*2) is essentially one term, because there's no multiplication sign explicitly written between the five and the bracket, it's part of the same term, thus the operation of multiplication between the two must be done first for them to be treated as equally whole.

20 / 5(2*2)
>could be written as
20
---------
5(2*2)
>the inside of the bracket is equal to 4, and 4*5 is 20... so...
20
------
20
>or
1

I could be completely wrong here... but that's the best I can explain it.
>>
>>700719697
I normally get them after biting my lip while chewing.
>>
>>700717225
It does make the teacher wrong. The problem clearly states that Marty ate more pizza, which is the opposite of what the teacher wrote.
>>
>>700720978
Got it from here:

http://www.dummies.com/education/common-core-standards/how-to-apply-order-of-operations-in-common-core-math/
>>
>>700718770
I'd be mad if he actually used it
>>
>>700721619
FUCK THIS GAY EARTH.... SUICIDE PACT ANON?
>>
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>>700717879
there are plenty of things that should make you feel bad for the future of 'Murica.
>>
>>700718585
Hahahahaha. Thats mx families disease.was always laughing about my father, but later it became tje same with me. My younger brother just the same
>>
>>700721539
Multiply before dividing. It's 1
>>
>>700719493
Are you serious? It takes one cut to make out of one piece 2 pieces. It takes another cut to make out of it 3 pieces.

I'm sure you one of those guys saying in iq thread that you are 140 points
>>
>>700721674
>being this butt blasted
>>
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>>700721284
It's not, i'm a math teacher you shit fuck.
20/4*(2*2)
__5*4
20/20
1
>>
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>>700721762
leave shill
>>
>>700719302
Fucking Russian script. Is it acceptable for me to never learn it and write in block while I learn Track Suit Language?
>>
>>700718371
Have you never seen a word problem before? Nothing about the kid's answer is even remotely wrong, and that teacher should be punished in some way for such a shit type question. Since your a math guy I will repeat the question and see if you aren't retarded. One kid eats 5/6 of a pizza, another kid eats 4/6 of pizza, how is it possible for kid two to eat more pizza? If kid two has a larger pizza, would it, under any circumstances, be possible for him to eat more pizza despite eating a smaller fraction of his pizza?
>>
>>700720862
No, couldn't care less is basically saying you could not give a single fuck, that nothing matters less. COULD care less means you could, well, care a bit less if you tried - it's not the most insignificant thing. See what I mean, maybe it's just an American v england thing. Just seems odd to us is all.
>>
>>700720060
its just too soon to talk about it
>>
>>700721669
wrong, you dont multiply before you divide. divisions and multiplications have the same value (same as plus and minus) therefore: left to right.
>>
>>700720312
>muricans are uneducated
>"Calculus in Several Variables"
So multivariable calculus is a 700-level course is Australia?
>>
>>700721722
>>700721800
CHECKIN DUBS LIKE IT'S MY JOB NIGGA
>>
>>700719075
Nothin but kek
>>
>>700718302
Working at the same pace you just made 1 and a half cuts
>>
>>700721800
No when it's just multiplying and dividing you proceed from left to right just as you would if it was just adding and subtracting
>>
>>
>>700716990
wtf? who does that?

Oh, yeah, pussies.
>>
>>700720060
She came too soon and died
>>
>>700716579
Actually here is how you get 15 minutes.

Imagine cutting a perfect square, 1 foot by 1 foot, straight down the middle, leaving you with two rectangle shaped pieces. This 1 foot long cut took you 10 minutes. Leaving you with to pieces that are 6" by 1 ft.

Next cut, you cut one of the rectangle pieces in half, the narrow direction, so you only have to cut 6" instead of 12". 6" of cutting time takes 5 minutes.

So, you have one piece 6"12", and two pieces that are 6"x6".

With total cuts required, one 12" cut, and one 6" cut, that require 15 minutes of sawing to do.
>>
>>700720594
No the problem is people are simplifying the paranthesis, then not eliminating them, which is the point of simplifying them to begin with. There's no one that is decent at math that would see it as:
>20/5 (4)
Because the paranthesis is already eliminated giving you
> 20/5*4
Which is 16.
>>
>>700717456
Just eat with your hands like the fucking animal you are.
>>
>>700721915
It's "I couldn't care less" . Idk what you said but yee
>>
Look at my dick. Faggot.
>>
>>700717879
It's fake, friend.
>>
>>700721669
no.
>>
>>700722066
Chekt and looks delicious
>>
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>>700719075
>peppermint coffee
>>
>>700720312
>bait
sure buddy.
anyway, im interested in whether you are taking that course or teach it. because i am taking it with a prof right now who cant do basic algebra to save her life. thank fucking god its a summer course so im doing most of the work on my own.
>>
>>700722087
math still should always be written so even the stupidest fucks cant misinterpret it.

But I agree, its 16
>>
>>700720690
Either troll or shill. No human could actually think what you've posted.
>>
>>700721759
I'm down, tomorrow night at the broken down taco bell. Bring a pogo stick, a tub of "I cannot believe it's not butter" and a bag of random legos.
>>
CHECK MY DUBS B4 404
>>
https://www.wolframalpha.com/input/?i=20%2F5(2*2)
It's 16 you faggots
>>
>>700718770
Good thing I know enough to know the original cards were matte not gloss
>>
>>700716761
rage because the
>authority's opinion of a vague
>purposefully obtuse question
undermined the kid's correct answer without explaining how
>the authority's answer
>automatically supersedes the kid's logic
and without
>reflecting that the kid isn't wrong
>>
>>700719521
move the brackets two characters to the left isn't mathematics
>>
>>700719310
What in the name of christ is this? Tell me there isnt a college course on advanced memeing
>>
>>700720136
Clearly someone has never operated a saw before....
>>
>>700722351
they are idiots and see it as this:
https://www.wolframalpha.com/input/?i=20%2F(5(2*2))
>>
>>700718823
>Are you fucking retarded?

Clearly since the board has already been cut in half any additional cuts will take half the time. ie 10 minutes becomes 5 minutes because the board is 1/2 as thick!

Retard.
>>
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>>700720978
>implying intensifies
>>
This entire thread. I blame notation. The associativity of multiplication and addition in a field leading to sloppy by efficient notation (dropping parentheses). It makes expressions simpler, but for people who just memorized rules--90% of this thread, it leads to something that requires _debating_, jesus christ.

We have failed society.
>links paullockhart-mathematicianslament.pdf
>>
>>700721183
I cringed so hard that my face hurts.
>>
i see
math - not for common folks
>>
>>700719915
That person is very much on the spectrum.
>>
>>700720108
Reggie my nigga
>>
>>700720411
Lol god damnit
>>
>>700717225
Yes, the teacher is absolutely incorrect in this situation.

I accuse you of being a teacher yourself, since you cannot believe a teacher would err.
>>
>>700719499
you're the traditionnal knob.
>>
>>700721539
>being this retarded
The slash in this case makes it a fraction not a straight line division.
>>
>>700716494
hurr durr durpy durrr
5/6ths of a 10 inch pizza v 4/6ths of an 18 inch pizza, big one has more area = kid is right, no contest question is retarded caus pizzas sizes were not stated in the question, the reasonableness badge is awarded if the kid don't turn up the day after the result is given carrying an Uzi.
>>
>>700719072
Measure twice cut once=10 minutes
>>
>>700721674
>not being an abortion
Thank you anon. This is correct.
>>
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Here's the problem
>>
>>700719317
I'm too new for this
>>
>>700718781
Completely false. It is no different from """explicit multiplication""" and can be substituted with a multiplication symbol of any kind.
>>
>>700720048

>before you think about hating, please respect me
>oh and here's a middle finger

Wat
>>
>>700722859
first one = 20/(5[2*2])
big difference
>>
>>700718712
>Common Core is the single most retarded thing I have ever seen
I'm actually (and seriously) a fan.

American primary schools don't teach math today. They teach calculation.

It's not important to be able to multiply numbers quickly. It's much more important to know what multiplication is on a fundamental, intuitive level.
>>
>>700722081
this is not a spacial relation question

it states its facts and the teacher made a mental error

if one length takes 10 minutes why would another presumably even length take less?

the question does not include peripheral content, and this content should not be surmised by the answerer
>>
>>700722905
Hehehehehe
>>
>>700716579
If it takes Marie 10 minutes to cut 1 board in half, Marie needs to find a new fucking job.
>>
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lmAO So ThCCCCccC
>>
>>700719503
almost lost it here
>>
>>700722902
Not him but ANYTHING involving those god damn parentheses gets done FIRST. THE 2*2 GETS DONE THEN THE FUCKING 5(4)!!! The answer is 1
>>
>>700723055
underrated post
>>
>>700719317
too soon man
>>
>>700720235
The is no precedence in between multiplication and division, they are done in the order they were written in

Probably just consumed bait
>>
This went from a rage you lose thread to a what is 20/5(2x2) thread...
Thread replies: 371
Thread images: 76
Thread DB ID: 74526



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