Helpful Links and Resources

50 states practice:

http://mrnussbaum.com/cstates-play

http://www.abcya.com/USA_geography_puzzle_map.htm

http://www.sheppardsoftware.com/web_games.htm

By region:
http://online.seterra.com/en/vgp/3003

http://www.sporcle.com/games/g/states

For people who know them all and are working on capitols:

https://playknoword.com/play/SJTdoL8bZ