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Chris Lusto
Добавлен 11 июл 2008
Mathematical asides, in video form, from my blog.
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Japanese Multiplication
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Explanation of the "Japanese" (Vedic) multiplication algorithm.
I thought Japanese younsters and adults used the abacus.
Funny fact: In Japan this method is called an Indian method. And not often used.
Why didnt our teacher taught this wth I had to stay up night for memorizing this is easier
*Zero is waving.*
ruclips.net/video/gg8gC9mHw8c/видео.html
ruclips.net/video/bp-8mzcEV34/видео.html
This is Mayan multiplication.
How did you make something so simple so complicated? smh!
multiply 100 into 100
Not from Japan I guess See this I found ruclips.net/video/hPLx7IytX2s/видео.html
At a certain point doesn’t American math just seem easier?
I don't know the indian number system but the Japanese number system is founded on this method. Like how we say 1 hundred, 1 thousand, 1 million; they say 1 thousand, 1 ten-thousand, 1 hundred-million; except their words for ten-thousand and hundred-million don't contain the words for ten, hundred, thousand, million; they are their own word/unit. As you can see with this method, as you increase the number of digits being multiplied, the far left unit goes from ones -> tens -> hundreds -> thousands -> ten-thousands -> and a fourth digit would make it hundred-millions which matches up with their number system.
Yea and just as retarded as the new math taught here in the states. Sorry but the normal way is the best way and math being as complicated as it is why these idiots have to make it even more complicated is just plain ignorance!
This is Chinese dude.....
This is the easiest way of multiplication , see this : ruclips.net/video/PmLfZe6fqDc/видео.html
Human Mental Body Evolution: : ) Visuals (no numbers exist) 00. Numbers are developed 01. Science/Math exists 02 : ) . Visuals & Math develop. : ) 03 No math or science exists : ) Visuals
I hope u'll gonna be responce to my question. Thank you.
Hi good day. I get it already the solution, but when i try to solve this 24x25 ?i cannot solve with this solution? Can please show me how i get the correct answer with same solution. Thank you. Godbless.
I need to try this with Banylonian math!
same as Chinese
This was a Mayan method
Do 23×14 lol
this is actually called mayan multiplication
Could you over complicate this for me a little further please?
None of the examples involve a carry, which I believe makes this more complex than it initially appears.
What you are doing doesn’t even make sense. You have to break it up and do smaller problems first.
You complicate a very simple method. Your horrible at teaching. Seriously, Stop!
Completely "OVER" Explained it.. You took something SO simple and complicated it with all your talking.. Here folks.. No talking in this one and it's fully understandable. . . ruclips.net/video/JVgnUMdM6ME/видео.html
Excellent explanation. This so-called "trick" is just a pictorial representation of exactly how we do multiplication, except it's inefficient and cumbersome. Anyone who thinks otherwise, do something simple like 67 X 88 both ways.
Now do 10×10
try using digits 7,8,9
ARE YOU KIDDING ME YOU SERIOUSLY SAID IT WAS A JAPANESE METHOD ME AND MY TUTOR WATCHED THIS VIDEO THINKING IT WAS THE JAPANESE METHOD BUT ITS REALLY INDIAN YOU STUPID!!!!!!!!!!!!!!!!!!!!!!!
NOT JAPANESE. This method comes from India.
you complicated this way too much....
dude nice chalkboard, where/what program or image is that?
Notice how all these videos use small numbers. What about 99 x 87 ? 987 x 569. Am I meant to draw 9 lines for 9?!
the trick is cool and shit but it becomes hard to keep track of the dots in groups when the digits are larger than 4..
Is this how Japanese people actually do multiplication?! If America had this system in elementary I would have done math much better
lifeform106 then cue parents calling the method too hard for their slow learning child (America is not for having people fall behind the whole class and struggling)
this is vedic maths..(ancient indian maths). not japanese or any other math.
In fact a combination of values and number of values e.g 2 x 3 H for 2 ones x 3 hundreds where it appears shall make the abstract method become tangible hence more understandable by the new learner.
This is a good method but for the purpose of understanding multiplication values needed to be included.
this is indian maths
33^6*21^6=693^6
1.107642e+17
This is mayan math
534x430?
thats nice but lets say i want to muilt 102 ×110
so are we using visual , not mathematical thinking ?
Both, for 321 x 123, red and green is still 100's x 1's which = hundreds, and yellow and yellow is still 10's x 10's which is also hundreds. So, it is a combination of both, but still easier than how I learned my multiplications in school. I'm more of a visual learner, so this would have been very helpful to visual learners. And I was pretty good at maths, so this should be really helpful for everyone.
our own multiplication method is way better than this shit though
This is so simple, but you my friend complicated to much.. Sorry
Agreed, this was very helpful but it was complicated more than needed. Hopefully he updates this tutorial. It's easy to learn from our mitsakes once we become aware of them, and then correct them. I hope Chris doesn't take too long though lol, I want to share his video. It had so many good points as well.
Agree.. Such a simple idea and he just fully complicated it. Many other videos make it much simpler to follow.
He anglicized it
Talking about place values may help some kids understand this strategy. I call it hashtag maths as kids are used to # things. Sometimes it is a good way of looking at number relationships.