Deductive Thinking- these attribute games are good for deductive thinking.
http://matti.usu.edu/mathforum/attributeblocks.html
http://nlvm.usu.edu/en/nav/frames_asid_270_g_2_t_3.html
http://nlvm.usu.edu/en/nav/frames_asid_271_g_3_t_3.html
SET - Play online
Towers of Hanoi
http://matti.usu.edu/mathforum/attributeblocks.html
http://nlvm.usu.edu/en/nav/frames_asid_270_g_2_t_3.html
http://nlvm.usu.edu/en/nav/frames_asid_271_g_3_t_3.html
SET - Play online
Towers of Hanoi