On, yirmi, otuz, kırk, elli, altmış, yetmiş, seksen, doksan, yüz.
 - Ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety, one hundred.
Köprünün eni otuz metre.
 - The bridge is thirty meters in width.
Yaklaşık iki otuzda Kobe'ye vardım.
 - I arrived in Kobe around two thirty.
White ailesi Tokyo'ya on otuzda varacak.
 - The White family will arrive in Tokyo at ten thirty.