White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
Great games for kids that help with math concepts http://www.mathplayground.com/
Math practice pages to print. Addition, Subtraction, Multiplication and Division pages. http://www.math-drills.com/