Information about Presidents and the White House http://www.whitehousehistory.org/04/subs/04_a01.html
Song to help you learn the order of the American Presidents http://www.whitehousehistory.org/podcasts/whha_americanpresidents.html
White House for Kids http://www.whitehouse.gov/kids/
Coolmath's website. http://www.coolmath4kids.com/
Practice making change http://www.funbrain.com/cashreg/index.html