roman numerals

I stands for 1

II stands for 2

III stands for 3

V stands for 5, and minus 1 of that would be 4, so

IV is 4

VI is 6

VII is 7

VIII is 8

What do you think will be 9?

You are right -

IX it is 10-1: stands for 9

X stands for 10

XI 11

XII is 12

XIII is 13

XX stands for 20

XXX is 30

XL is 40

L is 5

C is 100 (centum, which is a Latin word for 100. Just remember, 'a centurion was the one who led 100 men').

D is 500

M is 1000

Some tasks for you:

Try to write out today's date using Roman numerals.
What years were the two copies of Newton's Principia, that appear on our site, published?
Try some simple arithmetic and write down your observations. For example, when adding using Roman numerals, what is the easiest way to do it?

See some other numerals:

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