The numbers 1209 to 1215 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1209 | = | MCCIX | = | 1000 + 100 + 100 + 10 − 1 |
| 1210 | = | MCCX | = | 1000 + 100 + 100 + 10 |
| 1211 | = | MCCXI | = | 1000 + 100 + 100 + 10 + 1 |
| 1212 | = | MCCXII | = | 1000 + 100 + 100 + 10 + 1 + 1 |
| 1213 | = | MCCXIII | = | 1000 + 100 + 100 + 10 + 1 + 1 + 1 |
| 1214 | = | MCCXIV | = | 1000 + 100 + 100 + 10 + 5 − 1 |
| 1215 | = | MCCXV | = | 1000 + 100 + 100 + 10 + 5 |