Alert icon
We're changing our privacy policy. This stuff matters.  Learn more  Dismiss

how to multiply by 11 in your head easily part1

Loading...

Sign in or sign up now!
11,392
Loading...
Alert icon
Sign in or sign up now!
Alert icon

Uploaded by on Jul 25, 2007

how to multiply by 11 in you head easily "mental math"

the is the ultimate secret to math how to multiply 11 by 2 digit numbers and how to multiply by 11 in 3 digit numbers in part 2 simple math secrets
human calculator human calculator tips math tips easy math tricks hope you liked it mental math mental math mental math!!! part 1

Category:

Howto & Style

Tags:

License:

Standard YouTube License

Link to this comment:

Share to:

Uploader Comments (orangegold1)

  • Do you really expect anyone to concentrate on what you're trying to explain whilst listening to that background CRAP ?

  • youre not worthy of calling free bird CRAP

  • watch for part to inorder to find out how to multiply 11 by 3 digit numbers it will be out soon

see all

All Comments (20)

Sign In or Sign Up now to post a comment!
  • @bonnyjishop they suck period

  • @bonnyjishop they suck period

  • dude i know how 11 time 3 lets say 33 it will repie!

  • Lol why dont you just times it by ten and add the number on again

    E.g:

    3442234 x 11 =

    3442234 x 10 + 3442234 = Some number I cant be bothered adding.

    Ok yep now I see why its good to know this.

  • A variation on this trick for 3 digits:

    (a) to (d) are the digits 1 to 4

    Step 1: Just as in the trick in the video, the first and last digits remain the same.

    Step 2: (b) is digit 1 + digit 2 of the original number.

    Step 3: (c) is digit 2 + digit 3 of the original

    11 x 153

    Step 1. (a) (b) (c) (d) -> 1 (b) (c) 3

    Step 2. (b) -> 1 + 5 = 6 -> 1 6 (c) 3

    Step 3. (c) -> 5 + 3 = 8 -> 1 6 8 3

  • it is not silly for people who have alearning disabilty this helps so stop bagging

  • stupid trick! I think it's better to do:

    11 x 99

    (10 + 1) x 99

    10 x 99 + 1 x 99

    990 + 99

    =1089

  • would be better is u just add from right to left.... 11x99.. the ones place is 9 and 9+9 is 18 so write down the # in the ones place which is 8 so now u have 89 and then just add the 1 to the 9 which is 10 so now u have 1089... or 11x24357= 267927

  • omg this is like so much harder than it actually is lol

  • you learn this in second grade

Loading...

0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more