Vingt - 20
Vingt et Un - 21
Vingt-Deux - 22
Vingt-trios - 23
Vingt-quatre - 24
Vingt-cinq - 25
Vingt-six - 26
Vingt-sept - 27
Vingt-huit - 28
Vingt-neuf - 29
Trente - 30
Quarante - 40
Cinquante - 50
Soixante - 60
Just add the number 1 to 9 after but make sure to add 'et' in-between number ending with one e.g. trente et un, translating to thirty '30 and one'.