How to Multiply Numbers Lightning Fast like Shakuntala Devi (Mental Maths #4)
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- čas přidán 12. 01. 2021
- In This Video we will learn how to multiply numbers faster in your head using left to right method and various techniques(addition method,subtraction method,factoring method) and also will learn the legendary criss-cross method.
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Mental Maths 1- • How to Calculate Faste...
Mental Maths 2(addition,subtraction)- • How to Calculate Faste...
Mental Maths 3(memorizing numbers)- • Memorize the first 100...
Mental Maths 5(division)- • How to Calculate Faste...
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Ok this is genuinely the best advice for mental multiplication that I’ve ever seen. I do something similar naturally so this method just makes sense and has really helped me. Thank you!
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The best video for mental maths
I’m compelled to tell viewers how my son learned the tables after coming home from school. I wrote tables of 1-10.
I told him not to memorize because that would have burdened him but only read it daily.
After a number of days the tables embedded in his mind. Upon asking any 2 digits he would give the correct answer.
I then went from 11 to 20.
At 44 now, he can answer multiplication of any numbers on that table.
The viewers, their kids or grandchildren may benefit and wouldn’t burden or stress themselves. Reading is easier than memorizing. However reading again and again and again automatically gets embedded.
I can flex in front of my maths sir now 😂
Same
Also in front of friend
You'll take seconds but I could say 1 to 100 square in just a sec! You can ask any random square between 1-100
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@@amlanpanda7619 I just memorized
You're such a great and patient teacher. Thank you so much for all your hard work and for these videos. As a grown up, I realised I'm pretty awful at Mental Maths. I hated Maths at school. Now I'm brushing up with your help :)
Very impressive I can see here the beauty of relationships between numbers. This is full of fast thinking and creativity
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यह ट्रिक हमको बहुत अच्छा लगा। यह ट्रिक से कितना भी बड़ा संख्या हो उसको आसानी से सॉल्व कर सकते हैं। आपका बहुत-बहुत धन्यवाद हम को इतना अच्छा ट्रिक सिखाने के लिए।
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I found out that doing it the school taught way was faster on paper, but in your head, this was faster. Plus we are all used to the school way, cause we have been practicing math that way. If I practiced these methods, I would certainly be faster than a person with a calculator or using the school-taught way. Thank you for your great advice on math, I will continue to strive for my goals. Just started these methods a couple of days ago and I feel like I'm slowly becoming faster. Thank you.
I agree with you, i think slowly i will calculate at decent speed atleast
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Yeah but doing mental math and paper is faster that the school thaught way.
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My memorizations 60 years ago are still with me.
I had memorized squares of 2-30 and cubes of 2 to 15.
Some of your and others’ ifeas of multiplication are faster.
e.g. 97 x 93
It helped me in my exam sir
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I did this in my head in about 1 minute :)
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I wasn't aware but i was using factoring method for a long time.
I learned this myself doing difficult operations.
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I was taught the old school way so automatically do it fast and it seems easier for me but with this new method it just makes it a lot faster! Thank you…
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