Numerals

The following is a table of numerals:
Cardinal   Ordinal
English Latin R.N. English Latin
1 unus, una, unum I first primus, -a, -um
2 duo, duae, duo II second secundus, -a, -um
3 tres, tria III third tertius, -a, -um
4 quattuor IV fourth quartus, -a, -um
5 quinque V fifth quintus, -a, -um
6 sex VI sixth sextus, -a, -um
7 septem VII seventh septimus, -a, -um
8 octo VIII eighth octavus, -a, -um
9 novem IX ninth nonus, -a, -um
10 decem X tenth decimus, -a, -um
20 viginti XX  
30 triginta XXX
40 quadraginta XL
50 quinquaginta L
60 sexaginta LX
70 septuaginta LXX
80 octoginta LXXX
90 nopnaginta XC
100 centum C
200 ducenti CC
300 trecenti CCC
400 quadringenti CCCC
1000 mille M
2000 duo milia MM
3000 tres milia MMM

 

The cardinal numerals 1-3 decline in the following way:

unus, una, unum

Person M F N
Nom. unus una unum
Gen. unius unius unius
Dat. uni uni uni
Acc. unum unam unum
Abl. uno una uno

 

duo, duae, duo

Person M F N
Nom. duo duae duo
Gen. duorum duarum duorum
Dat. duobus duabus duobus
Acc. duo/duos duas duo
Abl. duobus duabus duobus

 

tres/tria

Person M/F N
Nom. tres tria
Gen. trium trium
Dat. tribus tribus
Acc. tres tria
Abl. tribus tribus

Note: unus is always singular, duo and tres are always plural.  Unus declines like ille in the genitive and dative singular.  tres declines like the plural of omnis (third-declension-like).

Ordinal numbers decline like 1st/2nd declension adjectives.

Other Adjective Declensions

1st/2nd Decl. Adject.
3rd Decl. Adject.
Comparison of Adjectives
Irregular Superlatives
Comparison of Adverbs
Numerals

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Morphology Index

Noun Morphology
Adjective Morphology
Pronouns
Verb Elements
Verb Conjugations
Verb Tenses
Irregular Verbs
Infinitive Forms
Imperative Mood
Subjunctive Conjugations
Subjunctive Tenses
Variant Forms

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Related Topics

Lesson Chapter 18

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Last Updated March 18, 2003

Questions, comments and corrections should be sent to Brian K. Harvey, Kent State University