How to defeat a dragon with math - Garth Sundem
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- Опубликовано: 14 янв 2013
- View full lesson: ed.ted.com/lessons/how-to-defe...
Having trouble remembering the order of operations? Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it? Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in the proper order.
Lesson by Garth Sundem, animation by Mark Phillips.
0:50
7 ate 9
7 : "I have to eat 3 squared meals every day!"
Kinda like a joke. Based on three squared equals nine.
And it's actually a pun, because seven ate (eight) nine
😂😂😂
7,8,9
I made up a similar joke to the classic "why is 6 afraid of 7, because 7 8 9", but with letters. Here it is. Why is z afraid of all the other letters?
Because they're all not z's (nazis).
It's perfectly understandable e wasn't a good ruler.
He was completely irrational
@Petlemon yes it is.
Ha
Nice one
E was completely eee-rational.
har har. irrational numbers and e being irrational. what great pun. it wasnt very PUNNY though
I love how subtraction is protrayed as this small little docile character, but it's really the only one that can effectively reduce the sequence of numbers into zero.
Now everytime I solve a math equation, I will recall how the six musketeers defeated a mathematically huge dragon.
What is 3+5-4x9%6/7/4-1+7x6/4-1-5+16
I like u
@@Nike_IV who cares? It's still 0!
@@jdgar5503 idk but ik algebra
Whats 10 = 10 - X + X
@@jdgar5503 and pi 3.1415926535897932384626433832795028841971
Just multiply it by 0
that is too OP
This is the multiplication's only superpower.
Nerf multiplication. Too op.
Lol
I like how you think
Oh my god guys, at 0:50,
A 7 is eating 9
7 ate 9
7 8 9
+Jacob Lee (Green) that's not funny at all
YES
+Jacob Lee (Green) omg MIND BLOWN
+Mario Luigi IT IS
+Jacob Lee (Green) nice bruh
Funny how people say "just multiply by 0" when deriving the constant dragon would have been as effective but more elegant.
You won't have normal numbers to work with. Exponents needs a number to work. The Dragon is eating all of the numbers. They have to use the insides of The Dragon if they want to get rid of this issue.
You wonder how they got the number population back with this tiny number "1".
Multiplication: Leader
Division: Lancer
Parenthesis: Big Guy
Exponents: Smart Guy
Addition: Heart
Subtraction: Sixth Ranger (Because of his lack of definition during the whole naming sequence)
Welcome to the 6 man band
true
Nonono
Paranthesis:Leader
Exponents:Lancer
Duplication:Big Guy
Division:Smart Guy
Last two are same
division is the guy who is stronger than the leader
@@sandeepgill9975 shush
I think dividing by 0 is equivalent to the nuclear bomb.
Yep
(suprized pikachu face)
Dimitris 11 Gamer so my game twin
Its not PEMDAS in our country! Its called GEMDAS G means Grouping
LightDaChessPlayer I say pemdas and bodmas b meaning brackets o meaning orders
Dragon: Lol try to kill me
÷ Sign: *_Divides dragon by 0_*
Dragon: *_OH GOD NOOOOOOOOO-_*
multiplication: multiplies dragon by 0
Dragon: *oof*
But what’s the Dragons value
(Key dr=dragons value /= division)
Dr / 0= 0
I’ll change the DR later
Then the 0 number that is in dragom body, when diveded by zero, transforms the dragon into the indefinite dragon, a conjecture of all number. Congrats.
divide the dragon to 0
make it be infinitly bigger
Dragon autocorrected to ERROR
"Throw a calculator"
AND PUT X 0
*THROWING A CALCULATOR!*
using a calculator is like telekinesis
Medieval setting + Puff the Magic Dragon + Star Wars + PEMDAS
Most unexpected crossover in history
That was the weirdest TED-Ed video I've ever watched.
Some Nobody Told me to change my name,so i did first of all love the name second of all they should know it if they took fifth grade math
i learned it at the beginning of 6th
+Rory Can hey Rory your profile picture is of fancy pants reply me I also play fancy pants
I learned this in 3rd
Tatum FK srsly cool
0:51 OMIGOSH!! Anyone notice the PUN
SEVEN eight(ate) NINE
TED ED.....WOW!
me
that poor overused pun
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
me
Ikr
oh.my.f*cking.god
In the UK, here, we use BODMAS. Brackets, Order (Exponents or Square Roots), Division, Multiplication, Addition and Subtraction.
My school taugh me BIDMAS, very similar
@@tracynewman7550 what does the I stand for
@@eggyt1153 The I stands for Indesies (bassically squared and cubed).
@@tracynewman7550 cool!
well, here in kebabland, we use B,E,D/M,A/S. (the ones that are divided with a slash are used in left to right order.
0:56 Are we all just gonna ignore the fact that the narrator just casually mentioned the land of pi was an anarcho-syndicalist commune?
Truly Ted Ed’s weirdest video by far.
Bloody insane
What does that mean?
@@createyourownfuture3840
Syndicalism: a Movement and/or Revolution that tries to abolish the capitalist order and let workers take control of the economy and government by direct means.
Anarcho-Syndicalist: a Philosophy that views Syndicalism as a way to gain control of the economy and influence boarder society
Commune: One definition of Commune is a Living situation or a group of people that they have to share everything.
(Just a note I do not know anything about anything not even remotely close, I just got these from a short 10mins research.)
@@vitamins3039 Thank you so much
It's a Monty Python reference.
ruclips.net/video/R7qT-C-0ajI/видео.htmlsi=HCrZzr80x2Vtvau_
this will definitely help me in Skyrim.
+Dark Pit he used to your opponent
That One*CENSORED*-Up I agree
That One Fuck-Up Dragon are easily taken down by tons of dwarven arrows
+ = health potion (heal you and hurt the dragon)
- = knife (really sharp)
× = shuriken ( poisonous)
÷ = dart ( poisonous)
( ) = gauntlet ( spiked)
What is your weapon
, = dagger (cuts everything into pieces)
< = poison (poisons you, obviously)
lol wut
chicknasaurus exponent= fly and spit (poisonous)
+ and the division sign
Mine is a powerful spell. I can use it on any number and they'll disappear. It's called the Multiply by 0 spell.
You know everyone seems to be talking about dividing by zero, but the fact there's just a casual other monster laying around is chill??
Yeah seems fair enough.
2:35 This is *incorrect*. Division is just another kind of multiplication, so it should be done in the same step as multiplication, from left to right. The same is true of addition and subtraction.
Division is Multiplication, but backwards.
The equals is right though
No it isn’t
The answer is still correct
It didn't say that multiplication is first
i always use the pemdas strategy in boss battles
I suppose your battles are a little unconventional, John Egbert.
PaulMag you would know if you read the extra pages of homestuck
I should do that some day. I just read the first 3 MS PaintAdventures. Oh my god... I just checked the website. Is HHomestuck still in progress? How many years have it been going for now?
PaulMag more than one year
John Egbert It must be at least 5 years.
*PEMDAS, THERE'S ANOTHER SPOT!!*
*Dont forget, there can be parentheses inside parentheses*
@Bloxy Red *And that tricky exponent*
Captain AL *There we go.*
@Wow kitty meow Wow please delete
W
This is somehow one if the best TED-ED narrations imo
It took me 4 years to realise that they were trying to explain BIDMAS/BODMAS/PEDMAS, whatever the heck you call it
PEMDAS.
It's Pemdas. And it stands for Parentheses Exponents Multiplication Division Addition and Subtraction. It's a very important acronym in math.
As a french, multiplication and division have the same value and can be exchanged...
International math isn't as easy as may you think.
Maths are an extract of the language it user use, so linguistic interpretation occurs too.
@@susandarber9942 Oh.
BODMAS is also a strategy lol
Well as they say 7 8 9 which known as SEVEN ATE NINE
Yeah at 0:50 I only just made that joke oh no
Marcus C I’m also the same age whatever you are if you are telling the truth and I am
bruh everyone knows that my little cousin does and shes 2
Other ways to defeat the dragon:
-Take The dragon and minus it for the dragon
-Take The negative version of the dragon and plus for the dragon
-Take The dragon and multiply it with 0
-Take 0 and divided it for the dragon
1:03 Euler's Number
2:21 (2+4×2/2³-3)
3:02 Nested Parenthesis
autismo
Digit dragon: "i am invincible!"
Division: divides by 0
Digit dragon: WHAT THE FU-
*EXPLOSION*
But they dont jave the 0 tho :/
n - n = 0
You can not divide something by zero. If you do , then itwill become infinity
@@priyanshudutta9463 ruclips.net/video/NKmGVE85GUU/видео.html
Omae wa ma zero-deru...
It's easy. Just turn the ( ) into a 0 and put it after division guy. By dividing the dragon by 0 the universe breaks and the dragon is kill. Simple geometry.
🤔
geometry?
Some Shape that’s not geometry
It's only geometry because you're a shape.
It would kill everything not just the dragon
If I drop my calculus book on the dragon's carotid artery from high enough up, when my book reaches terminal velocity, it should hopefully impart enough force to kill the dragon, so I think that should do it.
Throw a Nokia phone at it.
we want to kill the dragon, not destroy the world
Technically, it would impart enough force from any height. It's momentum that you're concerned about.
Multiplication: The Main One
Division: The Explorer
Addition: The One Who Tries, but often fails.
Parenthesis: The Guide
Exponents: The Smart Child
Subtraction: The Useless One
Dont say that about minus, he is useful, in his own way
@@Player0001 bruh
We need to make a show out of this
YES
YES we need a netflix show! Of this it would probably be called the land of the 6 types of math
Up
that's obvi a horrible idea, this video is about math
Would totally play this if it was a game
+Wilson Ong
If a lot of people think as you do it could be done small scale but still takes about a month's worth of work for someone already confident in the appropriate languages for the chosen platform to code anything that would be seen as reasonably decent beyond text based. Some things don't work well for large programs you end up with hundreds of lines of code have trouble shot be meticulous and find the most efficient code not just a way of doing it and you have to compile it to make it easily machine readable . Also there's the artwork but before all that there's asking the owner if you can use their idea to avoid copyright infringement.
+Wilson Ong
People are too busy making more efficient concepts, and the only ones foolish enough to try somethin' complex like this fail. Hard.
+Matthew H I know games don't have to be complicated or take that long to create but as far as I can tell it dose if you want it to be good enough to keep people interested.
I built a few partial games in unity recently the first one of witch I put online www.kongregate.com/games/DouglasA83/yorgozy From what Iv been told the numbers of plays you need to actually earn money from add revenue after the hosts cut are high something like 10-30k for a minimum threshold I can only assume it also has to be fairly good for anyone to donate, share or buy it.
same
me to
0:52
Haha that joke again.
Seven ate nine.
SEVEN: **eats Nine**
ME: **enters the Land of Pi** Great, right as I enter the Land of Pi I see a cannibal.
789!
9: I’m jealous
Is like number lore
@@Octa2024_Memeswhat no
I....i just realized after watching this so many time that in 1:07 is a star war reference
This is amazing!!! I wish we could learn math in that way in school!
Multiplication times the dragon by two.
Subtraction gets in the middle of the two dragons.
There we go.
*with the help of another two.
We need a 2 first tho
' by two ' lol the dragon eat the two
We also need the trusty equal sign
-Find a 0 in the dragon
-Raise the dragon to the power of the 0
-Dragon is now a 1
-You could also multiply the dragon by the 0 to get 0
How to kill a Dragon with math? Easy, put it in my Math Teachers class.
👏
Ikr so true
Yeah my Math teacher just needs to fling a table at it
Noice
Just sick baldi on em
In my country (UK) We call it BIDMAS. Brackets, Indesies, Division, Multiplication, Addition, Subtraction
1:23 Recker defeat
1:25 Draqoul defeat
1:54 Cackeoul defeat
3:03 Pendas pops out
3:33 The end
Sorry I spell pemdas wrong
Lol 7 ate 9. I see what you did there
David Umstattd |Oh god no...if you had a life like me...you hear that joke twice a day...
노초보 it is 7 8 9' 7 ate 9
David Umstattd IKR
David Umstattd yea
David Umstattd yeah I was ganna right that
1. Get multiplication
2. Throw him into the dragon's mouth
3. Let him do some sums with 0
4. The dragon is dead!
Isn’t it called product?
NO U MUST DO THAT WITH DIVISION,SACRIFICE THAT SLASH
@@krishvaish that is the nuclear bomb so you would won, but at what cost?
+
@@krishvaishthat will cause the end of the universe
Also what did division guy do to you
I love the fact that the dragon was number one.
0:22-0:23 Parentheses
0:23-0:24 Exponents
0:24-0:26 Multiplication and Division
0:26-0:27 Addition
0:27-0:28 Subtraction
1:03-1:06 The Emperor Number
1:14-1:17 Puff
3:14-3:27 The number One
Without subtraction they couldn't have possibly got zero he is the true hero .WHO ALL AGREE
You do realize you can also get zero using addition too, right? E.g. : 32 + -32
-32 is still minus
@@theonewhoslost adding negative numbers is not the same as substraction.
Wrong
A.Adding negative numbers
-1 + 1 = 0
B.Multiplying by Zero
12304922939292304929394829384939395848394949384859399403039493939493939494 × 0 = 0
just x 0
Except for the emperor number, which they threw into the mouth of an ancient creature nesting in the desert.
Star Wars
Lol
2.718281828...
e = 1/n! (one over n factorial)
@@Christopher-do9un the sarlac pit lol🤣
People back then: ah yes a math video.
kids now: What happened to L, M, N, O, and P?
Alphabet Lore, am I right? Otherwise, please explain
fg
This should be my bedtime story! I love it :•D
Oh I get it. Euler's number was the villain because it was the land of Pi......
+TheCreeperRedstone I think it was supposed to be e, (=1.72...) another irrational.
+Austin Szatrowski i meant to say that. I understand that E is an irrational number.
which is about 2.1
I thought e=mc^2
@@danieldavid3766 thats physics not math lol
1:18 and a princess or 2, lol
*e a t s 2 n e x t*
th- this brings back so much nostalgia.....the memories man
I found 2 potential Star Wars references.
1: when the emperor number became the… emperor. It reminded me of the emperor form basically every Star Wars movie except the force awakens and the last Jedi.
2: when the emperor number was thrown into the mouth of an ancient monster that lived in the desert. It reminded me of the Sarlacc Pit from return of the Jedi.
A wild Mathdragon appeared!
It uses multiply! It doesn't do any damage.
0 uses itself! Its super duper effective!
The Mathdragon ran away!
@WILLIAM HOLCOMB apparently
Well damn that ending was kind of dark.
Well, even though you said that parentheses can be inside other parentheses, there are also to more different pairs of grouping symbols, brackets [ ] and braces { }.
I know we’re talking about the two major x 0 and /0 catalysts, but like... why would Puff the Magic Digit Dragon eat a zero? Wouldn’t it be tasteless? Also, how could one come from zero?? Questions remained unanswered until this very day, a little over 8 years after this video was published. Will they ever be answered? Is there an unknown sequel that was never released? What was the desert creature?! Will I end this dramatic monologue?! SOMEONE PLEASE GIVE US ANSWERS
1:20 the population of The Land of Pi is the same as the number Pi!
just without the decimal point
π*10^(Infinity). To be precise.
You dont say
woah technology!
makes sense
PEMDAS is for:
P- Parentheses
E- Exponents
M- Multiplication
D- Division
A- Addition
S- Subtraction
Numbragon: aaaaaaaawtsGeGA riperoni 1
Numbragon: my finger boomed in to oil me torso part and the tail pop: pemdas thers a another spot!
A few minutes later: numbragon: ……… aawwwwttttsss GEG
Aaaaaaaaaaaaa error error 11111111111111111111111111111111111111111!
Numbragon: I’m turnformed in to 1 boo boo boo!
Numbragon is 1 n alter
0:54 "come back here and get subtracted!"
I like how it starts like a fairy tale of numbers, but then the anarcho syndicalist commune and the imperial senate get introduced.
I don't need to defeat a dragon with math, I need to defeat math with a dragon xD
lol good one!
*math hater detected*
kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
👏👏👏
**Baddumm tshhhh**
Who saw the 7 8 9 joke?
me
Me 😂
I saw what they did there and I liked it
Xukai Li meh!
I also realized that 6 is afraid of 7 because it might be mistaken as a 9
BODMAS Rule : I’m about to end this man’s whole career.
Excelente video
Kid: Math can't be fun
Teacher: (show this video)
I've learned more from Ted-Ed than school.
you must be SPECIAL
you learn this in school, are you eight years old
Same
@@shrubjr636 nah
Me Too
I remember seeing this video when i was like what? 4 or 5? I had no idea what this was as i had only knowm addition and subtraction at the time, but i liked the story. I watched the video over and over, to where a lot of it was burned into my mind. Now here i am, at the (Very young grade of 6th grade 💀) learning Pemdas, and because those scenes were so burned into my mind, i finally understood everything, and it just clicked. I completely aced everything and completely saved my math grade. Thank you Ted Ed for putting this video inside a time capsule in my head for when this would become useful
Vanishing every number with the other number or the sets of numbers. Good idea.
I especially liked the part where 7 ate 9.
I like the Star Wars reference at the beginning and at the end XD
Muhammad Sohaib Bhatti
Beginning Reference= Trash can Robots vs. Jedi Knights
End Reference= Boba Fetts Death
ohhh ok
Oshawott Gaming Battle Droids*
Oh and he says the Emperor is the Imperial Senate.
Oshawott Gaming Yep
That's a reference to the most famous book"The Three/Four Musketeers".
GRACIAS El CUENTO ME Concentra
*Looks at title*
*Goes to a dragon*
*Shouting out expressions and their solutions*
I hope that works.
Defeat the dragon with boredom! I believe in you.
You can do it!
**muffles screams of... pacificism?**
Most of us won't understand, let alone care.
This is actually a really fun and clever way to teach math.
I assumed this was a riddle and instantly came to the resolution of PEMDAS. Then realized it was just teaching people order of operations after watching the whole video...
The parenthetical brackets are just a pair of arms.
Me: 1+1=2
Dragon: Oh No! He beat me with math!
Anyone could have found "/" and "0" and Form X/0, that would have been much more badass
But that would destroy literally everything including themselves!
lol
ho
djthecoolman1121 .
3:30 that scene is from star wars, the emperor would be digested over a 1000 years, awww
Just to let everyone know, Multiplication and Division are done together, left to right, same goes for addition and subtraction
so if 20 / 5 x 5 was shown, it would go :
20 / 5 x 3
4 x 3
12
likewise, if 20 - 5 + 3 was shown, it goes :
20 - 5 + 3
15 + 3
18
When you finally hear the whole TED-Ed intro
0:51 OMG! 7 8 9! Damn Ted Ed , I spot one joke now uwu
E: kills all the kingdom’s knights.
E: installs himself as emperor
Also E: Hey, where did all my knights go?
My teacher told me this story.
But it wasn't king e, it king e^x and e^x defeated dragon through a differentiation duel.
3:00 *PARENTHESISCEPTION*
BRAAAAAAAAAAAAAAM
3:16 one is the loneliest number
0:45 aww that's cute
If you dont use the pemdas system, i can convert for you.
Bemdas: Brackets
Exponents
Multiplication
Division
Addition
Subtraction
Bodmas: Brackets
Order or power.
Division
Multiplication
Addition
Subtraction
Gems: Grouping Symbols
Exponent
Multiplication And Division
Subtraction and Addition.
That's what it's called
*_MATH_*
Nope it is Maths 😂
@@fireblossom8544 Or even better, Mathematics.
Actually this is what is known as cancer. This video. Cancer.
mind = 'blown'
print('Mind: ' + str(mind))
Police
Excuse
My
Drug
Addiction
Support
Zach John
Please
Excuse
My
Dear
Aunt
Sally
Please Excuse My Dope Ass Swag
Peter
Eats
Many
Dinosaurs
At
Supper
Please
Excuse
My
Dreadful
Acronym
Skills
Please
Excuse
My
Dear
Aunt
Sally
What knights are thinking when they attack a dragon:
*ok so if I throw my sword at its neck, then if I figure out the mohs scale, I would say about 9.2k mohs so the material of the dragon is skin so earth is 9.8 m/s squared but this may be altered by air and the horizontal speed should be slightly be above the real answer because the air will push off if it. If I find the correct force and the sine and cosine waves then I will figure it out. The target relative to my position and rotation is 90 feet, so I will throw at a 45 degree angle with the force of 100 lb weight traveling at the force of 10 mph.*
*fwoosh*
*sword chokes dragon*
*DRAGON SCREAMS*
“YES!”
That old intro to Ted Ed brings back memories
I Know Another Way To Defeat A Dragon With Math...
Dungeons And Dragons
@WILLIAM HOLCOMB YEAH!
It's sad how much I identify with subtraction ;(
*addition and subtraction*(1) *multiplication and division*(2) are in the same order, but whichever is on the left is done first.
I watched this s as a kid but although I didn’t understand, I was mesmerized and thought of it as a beautiful story, almost like a fairytale, and I still do know, only now thinking of and understanding the beautiful story of math
The Land of Tau is doubly plentiful when compared with The Land of Pi. Clearly, Puff the Magic Digit Dragon was not able to defeat the forces of Tau.
Preach.
+Burrito Apple A railgun salvo from a Broadside team, and poof, goes the dragon. For the Greater Good!
+Burrito Apple That "tau" land thing sucks
bjgeantil ok
This was one of the best videos :D
Loved the story and animation , that's just fantastic
Just dont let divide touch zero 😂
The references are KILLING me.