Links
Outstanding reference, practice, quiz and learning site for all things Spanish. If you are struggling with any aspect of current or past classwork, extra practice can be found here just by looking up the subject matter.
Read about the Imperfect tense and practice what you learn here.
Easy link to brush up on your basic Present Tense. Take the quiz!
Well...this one really gets confusing. Visit this page often, and search out others like it, but don't try to memorize it all at once! This is one of those lessons that you're better off spending a few minutes at a time on, but coming back several times over the course of the year.
The best Spanish-English dictionary online is also free. Additionally, it has a great forum section where you can find answers to a wide array of questions.
This is a subscription site, and not required for the class. However, it's a real advantage for any student who joins, particularly on building listening skills in a fun way.