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December 31, 2015 at 11:07 pm (UTC 0) Link to this comment

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I understand the trick for 101 but in the book for multiplying by 303 and etc I don’t understand how to get the answer.Please help

January 5, 2016 at 6:46 pm (UTC 0) Link to this comment

Real simple think of 303 as 3 times 101 so triple the number first then do the 101 trick.

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## 2 comments

## Zayna

December 31, 2015 at 11:07 pm (UTC 0) Link to this comment

I understand the trick for 101 but in the book for multiplying by 303 and etc I don’t understand how to get the answer.Please help

## anthony gillespey

January 5, 2016 at 6:46 pm (UTC 0) Link to this comment

Real simple think of 303 as 3 times 101 so triple the number first then do the 101 trick.