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Math-Magic Home -> Number Sense Forum -> Number Sense Forum -> Multiply by 11
Post Info TOPIC: Multiply by 11
smunira


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Multiply by 11
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does anyone have shortcut for three digit numbers multiply by 11?

such as
   162*11=?

i need a shortcut

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Anonymous

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162*11

write down 2

6+2=8

write down eight

1+6=7

write down 7

write down 1

162*11=1782

*make sure to right from right to left



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