Multiplying by 101


    • Zayna on December 31, 2015 at 11:07 pm
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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

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

    • Athan Strebeck on September 16, 2020 at 6:13 pm
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    When multiplying a two-digit number by 101, just write that number twice.

    When multiplying a three-digit number by 101:

    1. Write the first two digits.
    2. Add the first and last digits.
    3. Write the last two digits.

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