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 ( FREE trial copy ) visit
http://www.glad2teach.co.uk/26_Math_tricks_to_learn_algebra_fast.htm
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Duration : 0:3:59
[youtube 9qQAYEYLCoU]
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{ 25 comments… read them below or add one }
@93rashaba
50 x 60 …
@93rashaba
50 x 60 = 3000
do 5×6=30 so you have
30 then you leave a blanc space
30_ then you do 0×0=0 put that after your blanc space so you have
30_0 then you do 5×0+0×6=0 put that in your blanc space:
3000
@MegaLenio okee if …
@MegaLenio okee if your first answer is an 1 digit number you get an answer with 3 digits and if you get in your first answer a 2 digit number you will get on the end 4 digits so you have 12×15 the first answer is 1 so it’s 1 digit so you get a 3 digit answer
1, 110, 180 and thats you answer if you still don’t get it send a new message and i will post a better expanation ; ) because i go to school within 5 minutes so i don’t have much time but i hope this will help
what happens to 12* …
what happens to 12*15 …..we get 1_10 ?????a 4 digit answer
sorry for my bad …
sorry for my bad english i am from the Netherlands ; )
@clement4506399
25 …
@clement4506399
25 x 92 =
so you take the 2 from 25 and the 9 from 92 and that becomes:
18
then you leave a blanc space:
18_
then take the 5 from 25 an the 2 from 92 and that becomes:
10
then you fill it in you earlier number but now you have a 2 digit number and you only have 4 digits so you put in the 10 so it fits in your 4 digits you have:
1810
then you do 45 + 4 = 49 now you put the 9 on the place that was the blanc space and the you add the 4 by your 8 now you have:
2300
lol awesome …
lol awesome thankyou!
Hey yoou ‘re genial …
Hey yoou ‘re genial i love this technichue
@clement4506399 add …
@clement4506399 add 4 in 49 to 8 and put 9 in the _
What about 59*79? …
What about 59*79? When I do Rainbow Multiplication I get 116.Then I treat it as if it were 1160. I was not good with handling Carry Forwards.So I used the Suggestion you wrote in another comment and I came up with 4,741 When the real answer should be 4661.
50 x 60 how can you …
50 x 60 how can you do it ????
thanks dude this …
thanks dude this made my homework so easy
Dear Aman1984 , …
Dear Aman1984 , Good explaination. Glad that you have understood my EasyCal technique of Rainbow Multiplication.
For people who are not good with handling Carry Forwards, here is a better way.
Let me do your example 25 x 92 = ?
Simply multiply first digit with first and last with last.
You get 18 10
Now do the rainbow . You get 49 (take it as 490)
Now just add 490 to 1810 to get your Answer
1810 + 490 = 2300 ( Answer )
You get no carry forwards.
Thank You — Glad2teach
thanks
thanks
@clement4506399
…
@clement4506399
When rainbow multiplication returns a numbar above ten (2 digits) you add the first digit to the next number. I know you didnt understand it. For your example
25×92=18_10. Ok?
rainbow equals 49. Ok? Therefore we have 18 (49) 10. OK?
because 10 has two digits we add the first one to the next number. therefore (49+1)=50.
So we have 18 (50) 0. Doing the same thing, because 50 has two digits, we take the first (5) and add it to 18. Therefore we have 2300.
Hope i helped!
@IMTHELIVINGSAGA …
@IMTHELIVINGSAGA how?
thank u for this …
thank u for this video it helped alot!!!!
m also indian
m also indian
@Philosophicalish @ …
hope it helped!
@Philosophicalish @Philosophicalish yes it does work lol, 4X4=16,leave a space, 5X0=0, 4X5=20, 5X0=0, and so carry the two, it gives me 1800
@Philosophicalish …
hope it helped!
@Philosophicalish yes it does work lol, 4X4=16,leave a space, 5X0=0, 4X5=20, 5X0=0, and so carry the two, it gives me 1800
@Philosophicalish 0 …
@Philosophicalish 0 times 5 is 0!!! DUH!
it doesn’t work if …
it doesn’t work if you if you multiply 40 by 45….if you multiply 4 by 4 is 16 n 0 times 5 is 5. now 4 by 5 is 20 and 0 by 4 is 4. so whats the answer? 16+20=36 with 05 so according to this method the answer is 3605 but the answer is 1800 so how do you get this figure 1800 with this method? how please explain it.
where the rest at? …
where the rest at? your only other vid is on algebra
i don,t undersand …
i don,t undersand the 44 x 52
thankyou
thankyou
Epic!!! ty!
Epic!!! ty!