Multiply by eleven trick - XP Math - Forums

 XP Math - Forums Multiply by eleven trick

 11-10-2011 #1 lolkidman     Join Date: Jun 2011 Posts: 53 Multiply by eleven trick it took the champion for multiply by eleven trick 13 min! his computer is probably very slow! in 13 minutes i could do 260! o.O __________________ Czech out my fb page at: https://www.facebook.com/Grandmaster.Dudedudedudeo
 11-10-2011 #2 lolkidman     Join Date: Jun 2011 Posts: 53 integers adding -9-9 wow he took 5 min his comp is slow too. i could do 196 in 5 min, but he still beats me __________________ Czech out my fb page at: https://www.facebook.com/Grandmaster.Dudedudedudeo
 11-13-2011 #3 Jonathan W Guest   Posts: n/a Just because he took long doesn't mean his computer is slow. He could've just hit start after the game instead of submitting his score.
11-13-2011   #4
Jonathan W
Guest

Posts: n/a
Tip for "Multiply by 11 Trick"

Quote:
 Originally Posted by lolkidman it took the champion for multiply by eleven trick 13 min! his computer is probably very slow! in 13 minutes i could do 260! o.O
I have a tip for Multiply by 11 trick. You just multiply by 10 then add the number you multiplied (not the 11) to it.

EXAMPLE: 76 x 11 = 836. First multiply 76 x 10 = 760. Next add 76 to 760, so 760 + 76 = 836.

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