The websites for the books online are:
Math is http://www.macmillanmh.com
Access code is FE63513706
Vocabulary is not online, but try these activities for practice and review:
http://www.sadlier-oxford.com/vocabulary/levels_color.cfm?sp=student&level=blue#hangman
Science http://www-k6.thinkcentral.com (MA, Arch. of Boston, St. Augustine School) User name is the word "book" followed by their book #, Password is their first name+last initial. ex: book63, maryf
Activities can be found at http://www.hspscience.com/
Religion Activities http://www.sadlierreligion.com/webelieve/