National Geographic for Kids http://www.nationalgeographic.com/kids/
Great site for information on the 50 states. http://www.enchantedlearning.com/usa/states/
Another great site for learning about the 50 states. http://50states.com/
Math Games http://www.coolmath.com
Houghton Mifflin's (our reading text book site) http://www.eduplace.com
Our math book's website with math activities and extra help/practice. The access code to look at the textbook online is E5FC3AEA25 http://www.mhschool.com/math/mathconnects/grade4/sg4c1lesson1.html
Fun Jamestown game the students played in school. http://www.historyglobe.com/jamestown/