Trick 1 : Fast Math to multiply numbers -- 2 Digit Numbers

Learn this fast way to multiply 2 digit numbers or Integers. Same trick can be used to multiply large numbers or to do algebra multiplication. To download all 26 EasyCal Tricks visit http://www.glad2teach.co.uk/26_Math_tricks_to_learn_algebra_fast.htm




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• multiplication
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• binomials

[101supermariofan]

if u do it with other math problems its completly fake orunless u have very low numbers!

[Glad2teachAlgebra]

@101supermariofan, see the video response I have put under this video. I have used this same Rainbow Multiplication technique to calculate the randoms numbers given by the audience.

[LTEZANO2009]

my daughter shes 12 and got them right just by using her head

[Glad2teachAlgebra]

Great !! keep encouraging your daughter. Best Wishes - Shahryar (Glad2teach)

[SuaaLee]

Omg nvm it works !!!!!

[SuaaLee]

Haha true 19*19 won't work . I m not that genius ._. maybe that's why I m here xD

[wrestleme666]

yea but if you reverse the numbers, it doesnt work

[Hazarth]

@ngNudraconis I tried 77 * 64, It worked perfectly, since 7*6 is 42 which is the first number, 7*4 is 28, so 8 is the ending number, and 2 will be added to the middle number, now 7*6 is 42 again and 7*4 is 28, and 42+28 = 70, so your middle number is 0 but you have to add the 2 from the last number, so your middle number is 2 and your 7 is moved on to the first number, and 2+7 is 9, so you get 4928, which is the correct answer

[DS4IFT]

try it with 19*19 i cant get it work

[9308323]

@ngNudraconis actually, IT DOES WORK!!

[ghurammi]

what range of number that this trick can work..?

[ngNudraconis]

@101supermariofan He's right. Try high numbers and it doesn't work. Exp 77 * 64, 79 * 98, ...