Below is a list of resources that you can use to practice vocabulary/grammar:For a lot of these websites, you'll need to find the concept that we're studying in class and practice it using the exercises on the website.
Vocabulary Practice:
http://www.purposegames.com/games?t=1165&so=mp
http://www.espanol-ingles.com.mx/phrase_book/spanish/index.html
http://go.hrw.com/hrw.nd/gohrw_rls1/pKeywordResults?keyword=EXP1 (This is your textbook website! It is VERY useful!)
Grammar Practice:
http://www.indiana.edu/~call/ejercicios.html
http://www.spanish.cl/Grammar/Games.htm
http://www.elmaeagles.com/spanish.htm (Verb Practice)
http://go.hrw.com/hrw.nd/gohrw_rls1/pKeywordResults?keyword=EXP1 (Textbook exercises)
Culture:
http://www.indiana.edu/%7Ecall/cultura.html