The Europaio Numerals may be classified as follows:
I. Numeral Adjectives:
1. Cardinal Numbers, answering the question how many? as, oinos, one; dwo, two, etc.
2. Ordinal Numbers, adjectives derived (in most cases) from the Cardinals, and answering the question which in order? as, prwo, first; entero, second, etc.
3. Distributive Numerals, answering the question how many at a time? as, semni, one at a time; dwini, two by two, etc.
II. Numeral Adverbs, answering the question how often? as, smis, once; dwis, twice, etc.