How to know the gender of Spanish nouns?
It's a tricky matter, I know, but here you can find some basic rules that will allow you how classify Spanish nouns and therefore add the right article to that noun. Eg: el periódico, los periódicos, la canción o las canciones.
Check out this website to see the rules and doing some practice.
Theory 1
Theory 2
Activities
I hope you like it!!