Great site to practice phonics skills http://www.starfall.com/
Kindergarten Language Arts Skills http://www.internet4classrooms.com/skills_k_lang.htm
Kindergarten Literacy and Math http://www.internet4classrooms.com/month2month.htm#august
National Geographic for Kids http://kids.nationalgeographic.com/
Snakes and Ladders game to help with counting on! http://www.bbc.co.uk/schools/numbertime/games/snakes.shtml