How Roman write counting in Math or other documents:
One
I = 1
Five
V = 5
Ten
X = 10
Fifty
L = 50
Hundred
C = 100
Five Hundred
D = 500
Thousand
M = 1000
Combinations:
Four
IV = 4
Nine
IX = 9
Fourty
XL = 40
Ninety
LC = 90
Four Hundred
CD = 400
Nine Hundred
DM = 900
Posted Image in Education