Homeschool: Zen School! Taoist Vedic Math Tricks. How to square numbers Ages: 4-73

Homeschool: Zen School! Taoist Vedic Math Tricks. How to square numbers Ages: 4-73

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Envoyée le mercredi 18 février 2009 12:08:05
par journik
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http://www.youtube.com/watch?v=PL18uYK74eY see1st!
http://www.youtube.com/watch?v=tVUYnS9lIds Homeschool http://www.youtube.com/watch?v=nU_ydqsNA9Y for Home Schooling!
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GlitchMaster8888

1. Last digit of 54 is 4. 4^2=16 2. First digit of 54 is 5. 5^2=25. 3. Last digit of 54 is 4. Add to the 25 to get 29. 4. Put step 3's answer before step 1's to get 2916.
vendredi 06 avril 2012 00:04:50
headrush203

This is really helpful ^^ But it doesn't seem to work for 164^2 :(
lundi 21 novembre 2011 20:42:23
sallamabd

thnx alot this is my first comment & i got thanxed 4 it i appreciate it =)
dimanche 23 octobre 2011 15:17:36
phillipgaley

These things are so easy to apprehend, and they stick; I can not agree with you, . . .
lundi 12 septembre 2011 14:13:24
sallamabd

there is a better way to know the square of ANY number 1)the first step z that u want 2 add/subtract a number to/from it so it would become 10 or one of it's multiples 2)whatever was the operation u did u want now to do the opposite 3)now u have to multiply the outcome of steps1&2-which z going to b easy because u have a zero n the 1st num.- 4)square the number u added &subtracted to the original num. & add it 2 step's 3 outcome 77^2 77+3=80 77-3=74 80x74=5920 3^2=9 5920+9=5929 =)
samedi 23 juillet 2011 07:15:18
ywxutzyqntquj5402

NEW;;:IPAD2;';ＦＲＥＥ:''SITES:::`'; ＷＷＷ.ＤＯＮＴＭＩＳＳＦＲＥＥＩＰＡＤ２.ＴＫ COPY SITE & PASTE
vendredi 29 avril 2011 18:48:00
Nolimitsfreak22

But then how does it work f.e with 264. Then its 4x4=16 and 264+4=268 so it would be 26816 but actually it's 69696. <- wow beautiful number! Haha
dimanche 02 janvier 2011 11:04:07
watch1n1t

To REALLY understand why this works: 109^2 = (100+9) x (100+9) = 100^2 + 900 + 900 + 9^2 (by using FOIL) = 10000 + 1800 + 81 = 11881 ie (100+x)^2 = 100^2 + 200x + x^2 Not terribly useful math example, but neat and interesting analogy.
dimanche 18 avril 2010 00:20:07
kiodae1

pls dont be a teacher
mercredi 20 janvier 2010 12:57:55
Kidjosh1

i dun get it... how is 9 in the place of 100's
mardi 05 janvier 2010 19:35:22
shifre

I paused it to see if I could get it before he told me... :) Got it. But didn't get the "Why does it work"
mercredi 16 décembre 2009 19:03:53
JasWarLea

did he say cube numbers? This looks squared, or did I miss something.
jeudi 26 novembre 2009 06:49:39

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