Here are some useful links.
Think Central (access to online text books) www-k6.thinkcentral.com/ePC/start.do
Science Textbook : www-k6.thinkcentral.com/content/hsp/science/fusion/fl/gr05/landing_page_9780547884158_/grade5.html
Go Math Interactive Student Edition: www-k6.thinkcentral.com/content/hsp/math/gomath/na/gr5/online_interactive_student_book_9780544349032_/index.html
Go Math Student Edition: www-k6.thinkcentral.com/content/hsp/math/gomath2015/na/gr5/student_edition_ebook_9780544348868_/html5/index.html
Math On the Spot Videos: www-k6.thinkcentral.com/content/hsp/math/gomath2015/na/grk-6/mots_videos_9780544400023_/index.html
Mathantics: (how to videos for math) www.mathantics.com/
Prodigy: prodigygame.com/Play/
FSA Practice Tests: fsassessments.org/students-and-families/practice-tests/
Riverglades PTA: www.myvlink.org/rivergladeselementarypta/
All About America: www.americaslibrary.gov/
How Stuff Works: www.howstuffworks.com/
Khan Academy: www.khanacademy.org/
Current Events: www.dogonews.com/
Science Bob: sciencebob.com/
National Geographic KIDS: kids.nationalgeographic.com/
Mr. Nussbaum: www.mrnussbaum.com/fifth-grade-learning-games/