Starfall http://www.starfall.com/
Progress in Mathematics http://www.sadlier-oxford.com
pbskids.org/lions/
funbrain.com
primary games.com
storyline.net
teacher.scholastic.com/Clifford
Pbskids.org/Arthur/games/elmwoodcity/
ixl.com/math/grade/first
rbeaudoin333.homestead.com/shortvowel_1.html
Here you will find practice activities for both first grade reading and math skills. internet4classrooms.com