Multiplying by 125

3 comments

    • Jay on February 23, 2016 at 12:49 am
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    What if there is a remainder?

    1. Unlike your question about 16 2/3 these remainders are easy to calculate. 1 remainder will end in 125 , 2 = 250 3= 375 4 =500 so on so forth (just add another 125 for each step)

    • jackson shearin on December 4, 2017 at 10:12 pm
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    i recently learned the 25 trick so i multiply by 100 and 6400 and multiply 25 by 64 and get 1600 and add them.

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