Grade 6:
Social Studies
http://www.virginiasol.com/test/1861.htm - VA History to 1861
http://www.virginiasol.com/test/1861p2.htm - VA History to 1861 part 2 http://www.virginiasol.com/test/civwar.htm - VA History 1851 to Present http://www.historyteacher.net/USQuizMainPage.htm - American History (scroll to bottom for variety of quizzes)
http://www.fcps.edu/McNairES/SocialStudies.htm (scroll to bottom for variety of quizzes)
http://www.solpass.org/6ss/UShistory-to-1877.htm
Math
http://www.guest.portaportal.com/solmath