Types of Numbers

There are two types of numbers: Cardinal numbers are used to count . . .

one, two, three, four, etc. Ordinal numbers are used to order . . .

first, second, third, fourth, etc. We are going to learn both the

cardinals and ordinals for 1-10 (including the Roman numerals).

Numbers

Cardinals Ordinals

Points to Remember

Use cardinals to count and ordinals to put things in order

All the ordinal numbers decline like first and second declension adjectives

unus, duo, and tres all decline (see page 118).

Expressions of Time

How long? and When?