I = 1

V = 5

X = 10

L = 50

C = 100

D = 500

M = 1000

The numbers we use today was not allways

around before they used romen numerals!

The tens (10, 20, 30, 40, 50, 60, 70. 80, 90, 100):

X, XX, XXX, XL, L, LX, LXX, LXXX, XC, C