Trachtenberg System of Speed Mathematics Part-1

In this Video I will Introduce you to the Trachtenberg System of Speed mathematics, How its better and faster than traditional means and how you can calculate lightning fast using this method!
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[@mathOgenius]

I hope you enjoy this Video and Learn something New !

[@pythongaming322]

Sir can u make video on divison please

[@FellowHindu]

Where is 4,8 and 9

[@mathOgenius]

next part

[@NumberFin]

brother this is the mostttt brilliant method I've ever seen as of now! Thanks for sharing~

[@ArtGamingshorts]

Yup Mary Adler from gifted😊

[@daniel.sandberg.5298]

Just a reminder: no matter the level of the teaching, its the perseverance that predict you results. The teacher is no wizard, they just help you on the right tack and dont think for you.

[@skizoo5510]

who came here because of mary?

[@Physicsguy-r7k]

watched it just today

[@jamesmaverick9553]

Right here lol

[@maddiehatter-ll3dr]

Lol the only reason I knew about this.. :)

[@Historical_c7e]

Gifted 👏😂

[@binitasingh6462]

What do you mean you illiterate illusion

[@shirleylum2198]

Thank you for helping me learn faster and easier. I'm thankful you are on YT.

[@RuiJelli]

*Multiplication 5* ● when using the trachtenberg method, we start from the last digit, working our way towards the first. So from right to left ● the digit underneath will be half the number to the right ➡️ EG : 026 × 5 130 1) underneath 6 there is 0 since there are no numbers after 6. 2) underneath 2 there is 3 since half of 6 = 3 - it is important to note that in front of every number, there is an zero, and underneath the zero will be half of the first digit. - In this case there is 1 underneath 0 since half of 2 = 1 ● if the original (top) number is odd, then add 5 to the value you get after halving the number to the right 《Example》 036 × 5 180 1) here, the number under under 3 is 8. This is because half of 6 is 3, and since the original (top) number is odd, we add 5 to the half, so 3+5=8. ● it is important to remember that the half of odd numbers will not end in .5, instead we will ignore it and just use the first digit. In this case, underneath 0 is 1, since half of 3 is actually 1.5 and we have ignored the .5 *Multiplication 6* ● underneath each number, will be the original (top) value + add half of the number to its right 《Example》 026 × 6 156 - underneath the 6, there will be a 6 and nothing else since there is no other value next to the top 6 - underneath 2, there is a 5 since we halfed 6 which = 3 and added it to the original top number which is 3+2=5 - underneath 0 there is a 1 since half of 2 = 1 and 1+0=1 ● if the top digit is an odd number, then we'll do the same exact thing, however we will add an additional 5 to it. 《Example》 036 × 6 2•16 1) underneath 6 there is a 6 since there is no neighbouring digit 2) underneath 3 there is •1, this is because half of 6 is 3 so 3+3=6 then we add the additional 5 which is 6+5=11 since 11 is a two digit number, we will use the unit number and next to it we'll put a dot to represent the extra tens. 3) underneath 0 there is a 2 since half of 3 is 1 and we added the extra ten from the last digit, so 1+1=2 *Multiplication 7* ● underneath the top number, we will double the top value, then add half of the neighbouring number 《Example》 026 × 7 18•2 - underneath 6 there is a •2 which basically represents 12. This is because we double 6 which = 12 and added 0 since there is nothing next to it. - underneath 2 there is an 8, since 2×2=4 and half of 6 = 3 so 4+3=7. Then we added the extra 10 on which is 7+1=8 - underneath 0 is 1 since 0×2=0 and half of 2=1 ● just like before, if the top digit is an odd number, we will do the same thing but add an additional 5 《Example》 036 × 7 2•5•2 1) underneath 6 there is •2 since 2×6=12 2) underneath 3 there is •5, since 3×2=6 add half of 6 which is 3, so 6+3=9 Then we add the additional 5 which is 9+5=14 and then add the extra ten 14+1=15 3) underneath 0 there is a 2, since half of 3 is 1 add the extra 10 1+1=2 *Multiplication 11* ● underneath the digit, add the neighbouring number to the top value 《Example》 026 × 11 286 1) underneath 6 is 6, since there's nothing next to 6 2) underneath 2 is 8 since 6 is the neighbouring digit so 2+6=8 3) underneath 0 is 2 since 2 is the neighbouring digit

[@RuiJelli]

Exercise : practice Multiplication 6 0827 × 6 496•2 ✅️ * Remember to carry the ten over 0792 × 6 4•7•52 ✅️ 01927 × 6 1•1•56•2 ✅️ 071930 × 6 4•3•1•580 ✅️

[@poproll2709]

Thanks urs is much simpler to understand 😂

[@kumarsiva5701]

Tell me how to do 598 X 5. I tried but answer not coming. pls explain it...

[@RuiJelli]

@kumarsiva5701 598 × 5 = 2990 0598 × 5 2990 ● the number underneath 8 is 0 since it is the last digit of the number ● the number underneath 9 is 9 because half of 8 is 4, and since 9 is an odd number, we must add 5 to 4 = 9 ● the number underneath 5 is 9 since half of 9 is 4.5 However, we must ignore the .5 And since 5 is an odd number, we must add 5 to 4 = 9 ● lastly the number underneath 0 is 2 since half of 5 is 2.5 and we will ignore the .5

[@Momooooo0000]

@@RuiJelliwhat is 277 x 5

[@vloggy2009]

Omg Sir this is really work for me.Thank You Sir 🎉

[@ClearlyFunnyLol]

You're doing a good job, keep it up!!

[@lingeshbabu3]

Hey I am very happy to see you again sir. Being a 10th grade student I love your videos

[@harikishanmeena965]

Same 😊😊

[@pythongaming322]

Sir please make video. On division and sir we can do questions like 22797×55555 or not please

[@GabrielOpare-rk5du]

eiiiiiiiiiiiii

[@randycny]

I looked at the number and thought what system would I make up to Multiply by 5. I just added 0 to the right and then 1/2 the number. This is just easier math to me. The 0 to multiply by 10 and 5 is 1/2 that. If the number is odd you 1/2 the number and add 5 to the number to the right. So when he explained it, it seemed similar to what I just figured out. Never really thought about it before this though. Going to have to think about the others and learn the system. :)

[@LKGaming-cutey3086rx]

this video really helped me!

[@younghillionaire]

I came from an American video. Always the Indian guy that explains it better.

[@Nxvi779]

Thankyou ❤😊

[@goku10096]

5:28 half of '3' is '1', 1 is an odd Number, why don't you add 5 ?

[@Baldingkitty]

Because 4 isn't odd,not one

[@mysteryinc2729]

​@@Baldingkitty ooh so it depends on the neighbor thanks my man I was not able to make sense of it

[@joshuawollenahupt2227]

Thank you! I was not passing math last year... this year you have helped me get A's!!

[@sabithsabith-h9p]

Hi sir we can do it another mathed 781×5 781×10= 7810/2 3905

[@JatinStudy-l5n]

We can do it, but this is quite a difficult or more time consuming method

[@bransba]

Thank you so much, I was able to understand well :)

[@shobhamamani9602]

Your video are Amazing👍👍👍👍

[@john-schumandr]

Ah, I just understood the 11 Multiplication in Trachtenberg 😂. By the way, does Trachtenberg discuss division too?

[@manishkarsh6836]

Sir before moving forward I would like to say that 1 is also odd number but why you didn't add 5 where as you add 5 with 3 . Explain it to me make me out of doubt sir 🤔🙏😊.

[@ClaudioButtazzo]

Hi,i will explain to you why ok? The multiplication by *7* it says that the key is: *"To each given number■ double it, add half of the neighbour, then + 5 only if the number■ is ODD"* ok? 3412●7 --> here we will put TWO imaginary number "0,0" in this way: (0)3412(0)●7= take the double of given number■ --> 2 and add the half of 0 wich is 2●2+0= *"4"* , then about the given number --> "1"( *"Attention!!"* which is ODD) you take the double of 1 + the half of 2 +5(because 3 is odd) =1●2+2÷2+5=2+1+5= *"8"* -->(partial product=...84), then take the double of 4 + half of 1=8+0= *"8"* -->(partial product =..884), now take the double of 3 --> ( *"Attention!!"* which is ODD) + half of 4 + 5(because the given number is "3")= 6+2+5= 13 --> 1 *"3"* --> (write only the 3 and carry the 1 in your head or through a "dot" up left the 3 in this way: .°3884 ), then at last take the double of 0 which obviously is 0 + half of 3=0+1+1(carry number) = *"2"* . So the final product of all is *"23884"* ✌️🤙💪🇪🇺🇪🇦🇮🇹🇨🇭

[@NagaSuryasaiGinjala]

Thank youuuu sir 😊😊

[@florindasoares4948]

Cool bro thamks

[@bhavikadikshitacreation]

Can you show multiplication of three digit numbers with three digit numbers

[@Amantheparadise]

More videos of mental multiplication please

[@hanzm_]

thank you!

[@AmanielOkubay-g9e]

Can you make more of this type of videos

[@mayasingh9562]

Thanks ❤ sir

[@LeBronCrisy-qr1ud]

This is good bro love it

[@tatuco8]

Excellent lesson, thank you 👌👍

[@rajaananthi9234]

Thank you ❤ for your valuable message

[@cute-zy8zy]

Nice video sir

[@bhai00001]

❤Thanku bhaiya, I have been finding a alternative of tables. Now I am in 9th standard but I have problem in remembering the tables thanks 🙏 alot bro pls continue this series. You are contributing to students who have difficulty in math who don't like math due to its calculations(tables).

[@Fcmobile-m8i]

Thanks so much!

[@poosalarithwik3674]

Thank u sir part 2 plz

[@elinggong]

Is there part 2 ?

[@x.i.o.i.x]

Can we count it from the front ? If i count number with mind and count it from behind sometimes it confusing to rearrange the number

[@P_Sh29]

Explanation is great. But i didn't understand one thing. How could the Trachtenberg method work in muliplication of 5, with 793 × 5? As per the rule, the neighbour of 3 is zero. But how did 5 appear in the ones place? Can you please explain? 👍

[@timeforsoul7776]

I think it's because he meant that +5 if the number (3) is odd He didn't mean that +5 if the neighbor is odd

[@timeforsoul7776]

Because 3 is odd he added 5 to 0

[@milindh.mbhandary8457]

Tq bro​@@timeforsoul7776

[@animeshshaw8844]

7:28 zero is not a even number..it depends upon where it comes,that decides whether it is odd or even.

[@g_ursu7760]

it is tho, the definirion of an even number is that it can be written as 2×n,n being a natural number, 0 is a natural number so 2×0=0 means 0 is even but being odd means the number can be written as 2n+1 wich 0 cannot be written as if n is a natural number

[@SujilSKJ]

Half of 5 do not say 2.5 instead 2 0 is 0 1 is 1 2 is 1 3 is 1 4 is 2 5 is 2 6 is 3 7 is 3 8 is 4 9 is 4 10 is 5

[@Fcmobile-m8i]

Wonder ful!

[@ülkrcikolataligofret]

5 Sayının yanındakinin yarısını yaz 6 Sayı + yanındakinin yarısı 7 sayının 2 katı + yanındakinin yarısı 11 sayı + yanındaki 12 Sayının 2 katı + yanındaki İki basamaklıyla çarpma Sayının önüne çift 0 koy Outside çarpımla inside çarpım topla (diğer video da)

[@fernandosa788]

If the number is 456 when it reaches 5 would I add +5 because it is odd? and in the case of the example 793 x 5, wouldn't 3 be 3+5? = 8 because then the answer is 5? (3965)

[@Thak_thak]

0 is even so why are you adding five 😂

[@Thak_thak]

3isnt even but zero is even so don't add it's 03 not 3

[@stephenoluwafemiherbert]

Thanks

[@mathOgenius]

Welcome

[@kolenhansda594]

Part 2 please

[@sleepdeprivedmomma5888]

Can someone help me understand the concept of multiplying by 5 because for the second example (436x5) I thought we were supposed to add 5 when the number is odd. Well half of 3 is 1 in this example and 1 is an odd number so shouldn't we have added 5 to 1 which will result to 4680 which will be an incorrect answer. Or do you not add to 5 if the number is 1 even though it's an odd number? I don't have the Trachtenberg System book and just learning the concepts from what I can find online.

[@Yohan_Lunaa]

1 IS an odd number. By "adding 5 if the number is odd" he meant the number 3 in 436. The rule only applies on odd numbers on the given number for which in this example is the number 3 from 436. 1 is a RESULT of your computation, which means the rule doesn't apply

[@Facts-that-you-did-not-know]

can you make a video on easy squares till 100

[@r.i.p.volodya]

very very interesting!

[@marksonmoderator1980]

Thank you for this lesson...it helps me a lot even during i have a hard time calculating..Hoping for more math videos

[@jaiveer__singh]

Please make more videos which are helpful in competitive exams 🙏🏻 ( basic maths & reasoning)

[@mathOgenius]

sure ! this method is also very useful for competitive exams!

[@asimakhan2718]

The last question you told to do ourselves pls can you solve and show it

[@jvlogs6878]

Very helpful

[@Tunishasharmaforever.]

All izzz welll!!!

[@rajaananthi9234]

Can you pls share us a study routine 😊

[@JasteenV]

Video for balance number bro

[@hridhaanarora6148]

@9:36 8 is even, then why add 5?

[@UgLyBOIIIYY]

Because the starting number that is 3 is uneven Because number means the start in here, dude I am 12 step up your game

[@Baldingkitty]

9:15 is it +5 because 1 is odd or (1 x 2)+1=3, 3 is odd?????

[@suban5821]

Because 1 (from the number 3412) is odd, not the result

[@Baldingkitty]

@suban5821 thanks, but i have no idea what my question means anymore,😭

[@RealKayd3nYT]

Nice

[@mathOgenius]

Thanks

[@kumarsiva5701]

598 X 5 is not working with that method. Any explanation?

[@AndrewCastellanoReal]

Thank you, does a pattern develop? I was surprised there were methods for 11 and 12 rather than extending the methods for 1-9 to 2-digit numbers.

[@Art-zl8lr]

Thank you sir! ❤

[@BX138]

He says the keys are universal. There aren't special rules for each specific number, then shows us a bunch of special rules for each specific number 🤔

[@mathOgenius]

Great question! in a previous video in one eg multiply 54x56 very fast but with a condition that starting numbers are same and ending digits add to 10. but for this method there are no conditions like that. if you remember a key for specific number then you can multiply any number with that. its like a table for that number.

[@nokucxxx]

Thank u so much ❤​@@mathOgenius

[@malikkhan4823]

Waiting for part 2

[@minahilfaisal9682]

multipilcation with 6 is most confusing sir!

[@weewee-hy5kj]

So how did the 3 came to the neighbour of 2 and 6 ??( Sorry for my English)

[@kidsactivity1900]

Half of the number 6is 3

[@Krish-7W]

Waiting for more of this series

[@shamiham1445]

Really helpful, make more videos thank you.

[@RoRo-1617]

How do u do 17 * 11

[@john-schumandr]

187, Add a "0" in front of 17 = 017x11, I guess 😅. What I understand from this video is that if the number asked is in the tens, the answer will definitely be in the hundreds. CMIIW 😅.

[@RaviSharma-dx3tv]

46426271524161752565255×532535161612226 in 39 seconds, thanks 😊😊😊

[@Astr4_10]

Can u makethe blob math game on ios?

[@mathOgenius]

Cant, getting it on ios store is expensive

[@Chickennuggetsandfriesplease]

@@mathOgeniusis steam possible?

[@venom15shorts29]

Thank You Very Much Bro Advanced Happy 400k 🎉🎉

[@shubhajitchakraborty]

8379 * 5 = 41895. I,m stuck at 8. Please let me know how can I get 41 to complete the calc? 793 * 5 = 3965, again the same problem... You are highly appreciated for the efforts you put in to educate us. 🙏❤🧡❤🙏

[@-VND-]

1/2 of 3 =1 (8 - even -> no additional 5) and 1/2 of 8 = 4 (0 - also even so no additional 5), the same for the second number

[@sh1kh4r]

Came because of Mary Adler Stayed for MathOGenius

[@chanchalalex]

How to do 498×5

[@asimakhan2718]

Didn't understand neighbour system pls help 😔

[@anualex3633]

Plz make a video on division techniques to solve data interpretation questions

[@e.b.3030]

Create link for US shopping too so you can earn from that as well

[@Tyrael918]

Apply Bruce Lee's philosophy , do not fear the man who practices a thousand punches once, but the one who practices one punch a thousand times. Drill the Mind Sets for each RULE. With simple patience, practice, micro naps, throughout years you are supposed to learn them in your formative years, the world of mathematics in algebra and other maths will be open to you. Woo! Physics! Math is a language of truth. Let it be your friend.

[@kennethellis3836]

I can't solve 98834 I got the first part but how did the 7 came in ?.

[@Thak_thak]

06 + carry 1 =7

[@FellowHindu]

We will become calculator with this one 🗣️🗣️🗣️

[@Yogi_YogendraChauhan]

thanks for calculation ..got it ..thankyou! ..just was watching gifted ...hahahha

[@Chetanmalik369]

Bro make more videos

[@UV-chaudhary-11-6]

Have you ever heard about Vedic Math?

[@devpatel6867]

Thank You So Much Sir, It Helps Me A Lot

[@feifei-n2r]

WOW

[@vanshmusic04]

Sir pls explain how this rule they had formed like "Add a neighbour " to multiply with 11

[@RaviSharma-dx3tv]

482 × 5= 0142 # 2410.?

[@MathsProdigy007]

How to Calculate faster than a Calculator? | Mental Maths | (Part -1, 47 × 25 in a second)| kzbin.info/www/bejne/hnPCZKiFmpp1iNE

[@FlantBG]

I’ve been knowing this 😭 I thought it was something different

[@humaad135]

❤

[@ronaldzazu9595]

Why don’t schools teach this

[@BmoByte]

I agree but is it cuz their not that smart

[@BmoByte]

I agree

[@godly3322]

Lower ceiling = half

[@melodyreyes5620]

Half of 3 is 1, 5 is 2, 7 is 3, 9 is 4

[@JatinStudy-l5n]

And what's the half of 1, how do we write it in this method?

[@point_ma.n]

What’s half of 3 guys?

[@SujilSKJ]

3 is 1

[@SivarajahAshvin]

math

[@Newton-u9e]

793x3=. 3965

[@pmyt3610]

One day I will get marked

[@mr.mikesart7111]

I dislike when people try to reinent the wheel only to make it more complicated and longer or harder/more complicated

[@SaadLangilao]

"🅿️ℹ️N"❓ 🅿️LE🅰️SE❓

[@rkvinotasana1128]

Wow

[@yessumify]

This is so cool!