[ LESSON LVIII]
NUMERALS · THE PARTITIVE GENITIVE
[327.] The Latin numeral adjectives may be classified as follows:
1. Cardinal Numerals, answering the question how many? as, ūnus, one; duo, two; etc.
2. Ordinal Numerals, derived in most cases from the cardinals and answering the question in what order? as, prīmus, first; secundus, second; etc.
3. Distributive Numerals, answering the question how many at a time? as, singulī, one at a time.
[328.] The Cardinal Numerals. The first twenty of the cardinals are as follows:
| 1, ūnus | 6, | sex | 11, ūndecim | 16, sēdecim |
| 2, duo | 7, | septem | 12, duodecim | 17, septendecim |
| 3, trēs | 8, | octō | 13, tredecim | 18, duodēvīgintī |
| 4, quattuor | 9, | novem | 14, quattuordecim | 19, ūndēvīgintī |
| 5, quīnque | 10, | decem | 15, quīndecim | 20, vīgintī |
a. Learn also centum = 100, ducentī = 200, mīlle = 1000.