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Numeri Romani
Convert between Roman and Arabic notation — the ledger system of the Empire. Drill both directions in one session.
Quick reference
I
1
V
5
X
10
L
50
C
100
D
500
M
1000
Subtractive: IV=4, IX=9, XL=40, XC=90, CD=400, CM=900.
10 questions · 1–50 · simple numerals (I V X L)