math trick
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Added: 5 years ago
From: strawberryicy
Views: 90,193
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  • My head... maybe the abacus is easier for me.

  • thats the mayan math !!

  • What should I do when there is a 0 in the middle of the number?

    Example:109 x 102.

  • cool

    

  • I tried doing this on my homework .......I got yelled at for drawing on my paper

    Thanks :P

  • nice

  • Youre a freek

  • at first look, it looks coool .... but when i try multiply some big numbers (like 1786 x 947 ).. it becomes confusing. :)

  • @mohdmubasshir Read my comment for multiplying those big numbers ;)

  • 10*10 haha

  • @JackPierreAziz lol, guess it doesnt work for that one, pretty cool though

  • Did you learn this from the 6th graders? mhmm...

  • Isn't that just a long-winded way of doing something that you can do much faster in your head?

  • what he is doing is basically drawing the calculations like 2 * 3 so he draws 2 lines wich will cross with the othr 3 and make 6 dots... its simple its just how we calculate things but this way he discovered is kinda advanced i basically just do lik this i imagine 3 organges multiplied by 2 ill have tu get another 3 oranges now i see 6 oranges =P

  • How do you calculate 10 x 100 or 10 * 101? :P

  • You dont need to draw it all the time if you understood what he does...for example 187*199 is way too big to draw it....

    He's just doing it that way (Example 187 * 199)

    1 * 1 = 1

    1* 9 + 8 * 1 = 17

    1 * 9 + 8 * 9 + 7*1 = 88

    8 * 9 + 7 * 9 = 135

    7 * 9 = 63

    Now you get the results and do it the way he does, from back to beginning...If there are more than one number, the first one jumps one up...You ad the 6 of the 63 to the 135 so its 141 and you go on like that...

    Result: 37213

  • @XxElNinioxX nerd

  • @chickenguy999 No, I was just bored :D

  • wont work

  • you can multiply 1 2 3 numbers easily.. but 999*999 will make you exhausted to calculate...

  • thats in no way the binomische formel..?

    hahah

    the binomische formel is like that..

    (a+b)²= a²+2ab+b²

    oO also this video has to connection to the binomischeforme in germany

  • @kennwortjawed no its not fake hahahhaha

  • really cool...

  • nice

  • cool!

  • lol in germany this is called the binomische and the trinomische formel

    its just that here youre using stripes that help you

  • really cool :)

  • please 123 x 321

  • That will be

    12, 3, 32, 1 stripes

  • my graphics calculator is now obselete

  • works better with low digits number...try 187*199.....

  • could you pls show me how to solve 234x432 ?

  • that took way to long just do it the old school way. but i will say that is cool how that works

  • ive seen tht b4 good vid

  • hey you should try 9999x99999 lol just joking... you're cooool!

  • cooooooooooooooooool

  • how u do if it's 78*61?

    I don't know really, to much to count

  • Damn it was starting to look like a building blueprint. There must be simpler ways.

  • yah. it was alot quicke, and u'd have to memorize it, but overall, i'd give it a 3/10.

  • I made a much faster method based on this one but without drawing hundreds of lines and adding up all the points!

  • show me please..

  • PRETTY COOL

  • i rather work it out... i can work it out faster than tat lol

  • This is a very wrong methode. Try adn do 907x709. You sahl have an unpleseant surprise.

  • You are right, a 0 to much. but almost

    6430063

  • Oh? Ah! My point there was that you would end up needing to count almost 200 points, and on the slots where are zero would eventualy surpress digits and so ending up all that work to obtain a wrong value.

  • ghost knight dude, it works, you just have to use a dotted line to replace the 0's then count all the lines that intersect with it as 0's :D

  • Then 907x709 and see if it is pratical at all.

  • ghost knight? lol?

  • This works great! Thanks loads. This will definitely help for big multiplication problems where a calculator is not allowed. This has a much smaller chance of making a computational error... since you're counting.

  • it is cool i agree but it is not too far away from the usual computation and I don't see how will this improve your speed or anything

  • very cool & clever

    but the idea is clear

  • thats awsome

  • pas mal

  • mind*

  • wat if there was a zero in the number

  • ex:405*3021 = 405*302.1 = 405*302(just put a 0 in the middle of the square and ignore it) =122310 + 40.5 40.5 = 405*010 = 4050

    (010 =0.10; 4050 = 40.5)

  • 405*010

    manage 0 with distributive symmetry

  • That means when you want to calculate numbers with three digets you need three dimensional paper ;)

  • Ok... forget what i said...

  • no, if you want to do 12x12x12 than your screwed XD

  • nope. symply do 12X12 and the the result X12 :)

  • hmm...Touche

  • lol i use calulator faster..HAHA

  • hahahaha i didnt click it and it still played!>:)

  • and where is the trick in that?it's just a method man,come on u guys stop wasting our time with obvious basic stuff,when i see math trick,i want to see sumthng i think about it a day to figure it out!!

    still,all of ur vids(u and lots of people)are too damn obvious.

    anyone who knows a vid for a real trick,plz reply to me , send me the link plzz

  • When I'll have time I'll make some videos about particular properties of prime numbers, perfect numbers and such stuff... so follow my nick

  • why don't you try making your own

  • am just waiting for brains like u to enlighten me...

    actually only few people can make REAL math tricks...I am not one of them...neither are u....nor is this guy in this video ok mate...cappish

  • what makes you so sure im not?

  • because it's "simply you".....not a very smart nickname....besides...lol...th­e people i mean are people in the "real" IQ Level such as Bohr,Einstein,Phytagore,archim­idus(don't ind the spelling...it differs from language to other,mine is not english ;) )

    anyway...if u consider urself that smart,well u wouldnt be here talkin to me would u?

  • it's not a trick. you're just multiplying each digit of a number by each digit of the other using segments as unity. The order is obvious. Surely you can do 14x123. It gets 1 on left corner, 6 and 11 summing in the middle, 12 on right corner. So it gets 1722

  • It's a very fun way to multiplicate but it seems to me that it works only for factors with the same number of digits '8/ You can't multiplicate 14 x 123... Can you?

  • How would you do it and I got 5 two-numbered results? I multiplicated 486x924 just to know the trick, but I didn't get it :(

  • thanks STRAWBERRYICY !!! good video !!!

  • What happens if I got three 2numbered results?

    For Example:

    78x56=

    I get 40 on left, 82 on middle and 48 on right side.

    How do I multiplicate them? Or does it not work on all number combinations?

  • lemme explain 78x56=4368

    now u put all the lines and u have 35 on the left not 40,82 in middle, and 48 on right.

    its all moving numbers u move the 4 in the ones (right) to the tens (middle) in the tens u have 86 now move the 8 in the tens to the hundreds and in the hundreds (left) u have 43 so it is

    43 hundreds,6 tens,8 ones= 4368 :) its all carrying

    my friend

  • brilliant trick. really cool

  • woooooooW thank you!

  • my mum was amzed ill try that on my evil teacher see if im smarter :P oooooo i wonder if my teacher made that movie

  • it gets complicated with big numbers

  • that will help when schoo starts again

  • because this is faster than writing it like you were taught when you were in 3rd grade?!

  • well done

  • thanks man

  • I don't get how you know which ones to count where.

  • pretty funky

  • only an american would need a picture for that!

  • you're right, only the most scientifically advanced country needs to visualize problems

    you're brilliant garner

  • Yeah, we could just use a calculator instead. So much easier.

  • well wat if it was a test u cant use a calc duh!

  • OMG how clever and how would you find that out?

  • losers!

  • 2 stars... "Nothing Special"

    um... this is just a graphicallization of the math

    but it was pretty good at explaining it so it wouldn't be a sole star

  • cool! =D

  • thanks a lot

  • Good one man

  • Good one, seen it before, but I always forget how to do it.. thnx for this vid.!

  • Utter shite............end off!

  • So's your grammer.

  • Wow! I like that! (Y) 5 Stars!!

  • i'll have to try that

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