How did ancient cultures develop number systems to make sense of their world? How did men and women in Paleolithic times the mark the passing of time and change of seasons? What number symbols did the Babylonians, Egyptians and Romans invent to conduct commerce? To find these answers, view:
http://www.youtube.com/watch?v=cy-8lPVKLIo
This cute animated video also includes a history of the development of fractions which were necessary to divide land or share harvests. You’ll see how development of mathematics not only made sense of the world but helped ensure our survival.