Class Web Page
https://sites.google.com/a/cairodurham.org/mr-reinhard-s-math-class/
Web Page Links:
GCF/LCM:
http://nlvm.usu.edu/en/NAV/frames_asid_202_g_3_t_1.html
Protractor:
www.amblesideprimary.com/ambleweb/mentalmaths/protractor.html
www.mathplayground.com/alienangles.html
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Lemonade stand: http://www.coolmath-games.com/lemonade/
Other brain teasers: http://www.math.com/students/puzzles/puzzleapps.html http://nlvm.usu.edu/en/nav/frames_asid_188_g_2_t_1.html