Mean 'a, an, some' in English

Accompany a noun (all nouns in Spanish have gender and number)

Agree in number (singular, plural) AND gender (masculine, feminine) with the noun

Learn articles with the nouns to remember gender

	SINGULAR	PLURAL
MASCULINE	un	unos
FEMININE	una	unas

Examples:

un libro = a book

una mesa = a table

unos libros = some books

unas mesas = some tables