http://web.uvic.ca/~tpelton/fn-math/ this site has games and worksheets which pertain to probability with dice and guessing games.
http://demo.westat.com/t2tweb/NativeAmerican/Wigwametry.asp Wigwametry focuses on teaching geometry through the scale-model construction of a traditional structure.
http://www.oise.utoronto.ca/deepeningknowledge/Teacher_Resources/Curriculum_Resources_%28by_subjects%29/Math/index.html A variety of Mathematics lesson ideas for a variety of age levels and skill sets
http://www.usask.ca/education/ccstu/welcome.html this resource has six units which explore biology, physics, astronomy, etc. (Click on the main menu link at the bottom of the page)
http://www.nativetech.org/ this site provides ideas and information on Aboriginal technological knowledge