Math Games:
o A+ Math
o PBS Kids
Try these addition sites.
http://www.dositey.com/2008/addsub/Mystery3.htm
http://www.bbc.co.uk/schools/laac/numbers/chi.shtml
Try this subtraction game.
http://resources.oswego.org/games/mathmagician/mathssub.html
All first grade math topics
http://www.aaastudy.com/grade1.htm
Check out this Odd and Even song on youtube.
http://www.youtube.com/watch?v=0ksrm1yNpT4&NR=1