How to Tessellate with Translation, Reflection, and Rotation

How to tessellate with one piece of cardboard. Ideal for k-12 students. Music in this video Song Tessellate Artist alt-J Album An Awesome Wave Writers Joe Newman, Thom Green, Gwil Sainsbury, Gus Unger-Hamilton, Charlie Andrew Licensed to YouTube by WMG, [Merlin] Liberation Music, PIAS (on behalf of Infectious); BMG Rights Management (US), LLC, Kobalt Music Publishing, UMPI, LatinAutorPerf, LatinAutor, ARESA, CMRRA, ASCAP, Abramus Digital, AMRA, LatinAutor - PeerMusic, and 17 Music Rights Societies Song Breezeblocks Artist alt-J Album An Awesome Wave Writers Joe Newman, Thom Green, Gwil Sainsbury, Gus Unger-Hamilton, Charlie Andrew Licensed to YouTube by PIAS, WMG, [Merlin] Liberation Music (on behalf of Infectious); Kobalt Music Publishing, BMG Rights Management (US), LLC, ARESA, ASCAP, LatinAutor, LatinAutorPerf, AMRA, UMPI, LatinAutor - PeerMusic, Abramus Digital, and 16 Music Rights Societies