The lower cardinal numerals in Michif are:
(1) henn OR peeyek
(2) deu
(3) trwaa
(4) kaet
The ordinals are:
(1) pramyii
(2) deuzhem
(3) trwazhem
(4) kaetriyem
The form for 'first' is suppletive, and the higher ones show irregularities, but they are clearly derived from the ordinals.
For dates, the ordinal is used:
li kaet di Zhuyet '4th of July'.
Source: Fleury 2007
Source: Fleury 2007
Source: Fleury 2007