For this investigation each student will submit a personalized PowerPoint project which contains:

1. Civilization information
   1. Name of civilization, location, and time period.
   2. What types of structures did they build?
   3. Did the study of astronomy affect their number system? If so, how.
2. About the number system
   1. Does the number system have a base? If so, what is it and how did the base come to be? (Common bases were 5, 10, 20, and 60.)
   2. Did they use zero? If so, for what purpose?
   3. Did they have a maximum number?
3. Using the number system
   1. Show how to convert 179 to the number system.
   2. Explain how to add 12 + 28 in the number system.
   3. Explain how to multiply and divide in the number system.
   4. If fractions were used, how and why did they use fractions?
4. Cite your sources.
5. Invent a number system for an alien civilization. How many fingers does the alien creature have? How often does its planet rotate around the star? Why does the alien civilization use numbers?

Examples of Civilizations and their Number Systems

Resources

• Background: https://docs.google.com/presentation/d/1FQQQTK338WXfc1BCCfxHOkSRQbNt1fikrEpnld_fJxE/edit
• http://www.math.wichita.edu/history/Topics/num-sys.html
• https://ancientcivilizationsworld.com/number-systems/
• https://en.wikipedia.org/wiki/List_of_numeral_systems
• https://www.agapebiblestudy.com/documents/The%20Significance%20of%20Numbers%20in%20Scripture.htm