Resources: Math Vocabulary
http://edweb.tusd.k12.az.us/ekowalcz/math/elementary_web_sites.htm
http://www.k111.k12.il.us/king/math.htm#Facts
http://www.aplusmath.com/Games/index.html
http://www.aplusmath.com/Games/Wordfind/index.html
For the next site, you could instruct the students to change the number of decimal places.
http://nlvm.usu.edu/en/nav/frames_asid_152_g_2_t_1.html
Geometry
http://ejad.best.vwh.net/java/patterns/patterns_j.shtml
Fractions
http://math.rice.edu/~lanius/fractions/index.html
Graphing
http://math.rice.edu/~lanius/Lessons/graph.html
This is an excellent site with many manipulatives that match our math series.
http://nlvm.usu.edu/en/nav/index.html