Here are some links to helpful websites for you to use based on subjects.
Math
http://www.eduplace.com/kids/mhm/brain/gr5/
http://hzsd.ca/Learningcenter/library/Math%20Resources/Grade%205%20Math%20Websites
http://www.math-play.com/5th-grade-math-games.html
http://ca.ixl.com/math/grade-5
http://cemc2.math.uwaterloo.ca/mathfrog/english/kidz/Games5.shtml
LA
http://www.gigglepoetry.com/poetrytheater.aspx
http://www.gameclassroom.com/language-arts-games/5th-grade
http://www.internet4classrooms.com/skills-5th-langbuilders.htm
http://www.toonuniversity.com/free/elementary-education-4th-6th.asp
http://www.teachervision.fen.com/reading-and-language-arts/games/5831.html
Math
http://www.eduplace.com/kids/mhm/brain/gr5/
http://hzsd.ca/Learningcenter/library/Math%20Resources/Grade%205%20Math%20Websites
http://www.math-play.com/5th-grade-math-games.html
http://ca.ixl.com/math/grade-5
http://cemc2.math.uwaterloo.ca/mathfrog/english/kidz/Games5.shtml
LA
http://www.gigglepoetry.com/poetrytheater.aspx
http://www.gameclassroom.com/language-arts-games/5th-grade
http://www.internet4classrooms.com/skills-5th-langbuilders.htm
http://www.toonuniversity.com/free/elementary-education-4th-6th.asp
http://www.teachervision.fen.com/reading-and-language-arts/games/5831.html