Roman Numerals | Learn about Roman Numerals


– [Voiceover] Roman numerals. Roman numerals use letters of the alphabet to show numbers. Today we use seven letters to represent different numbers. When we combine those letters, we can come up with tons of different numbers. I equals one. V equals five. X equals 10. L equals 50. C equals 100. D equals 500. And M equals 1,000. Here’s what some numbers would look like using Roman numerals. 77. That’s 50 plus 20 plus five plus two. 168. That’s 100 plus 50 plus 10 plus five plus three. 886. That’s 500 plus 300 plus 50 plus 30 plus five plus one. Now let’s try this year. 2015. That’s 2,000 plus 10 plus five. Thanks for watching.

22 thoughts on “Roman Numerals | Learn about Roman Numerals”

  1. 100 = C
    200 = CC
    300 = CCC
    400 = CD
    500 = D
    600 = DC
    700 = DCC
    800 = DCCC
    900 = CM
    1000 = M

    Checking the Number!
    66 = LXVI
    130 = CXXX
    858 = DCCCLVIII
    1991 = MCMXCI
    2019 = MMXIX
    3890 = MMMDCCCXC
    490 = CDXC
    507 = DVII
    886 = DCCCLXXXVI

    More.

    139 = CXXXIX
    240 = CCXL
    309 = CCCIX
    MMMCDLXVIII
    โฌ‡
    What's the Equals?

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