These websites will reinforce vocabulary and reading skills.
http://www.abcya.com/
http://www.coolmath.com/
http://www.mrcpl.org/literacy/lessons/sight/index.html
http://www.poetry4kids.com/games
http://www.funbrain.com/
http://www.fun4thebrain.com/quizzes.html
http://pbskids.org/lions/http://teacher.scholastic.com/clifford1/index.htm
http://sekids.ccsd.net/teacherresourceswebsite/curriculum/
curriculumharcourt/3/curriculumthird.htm