uma

1 (fem.)

Only 1 and 2 have different words for masculine and feminine, but you have to apply them to all numbers ending in 1 or 2. - 1 book - **um** livro / 1 doll - **uma** boneca - 31 books - trinta e **um** livros / 31 dolls - trinta e **uma** bonecas by Pilar_Pereira