Graphing Rates of Change http://standards.nctm.org/document/eexamples/chap6/6.2/index.htm#applet
Graphing Parabolas http://www.exploremath.com/activities/Activity_page.cfm?ActivityID=13
Exponential graphs http://members.shaw.ca/ron.blond/TLE/ExpFcn.APPLET/index.html
Balance Scale Equations http://matti.usu.edu/nlvm/nav/frames_asid_201_g_4_t_2.html?open=instructions
Algebra Tiles http://matti.usu.edu/nlvm/nav/frames_asid_189_g_4_t_2.html?open=activities
Graph Functions http://matti.usu.edu/nlvm/nav/frames_asid_109_g_4_t_2.html?open=activities
Tower of Hanoi http://matti.usu.edu/nlvm/nav/frames_asid_118_g_4_t_2.html
Conic Flyer http://www.shodor.org/interactivate/activities/conics/index.html
Math Vocabulary http://www.mathwords.com/a_to_z.htm
Cosine Graph http://www.ies.co.jp/math/java/trig/graphCosX/graphCosX.html
Sine Graph http://www.ies.co.jp/math/java/samples/graphSinX.html