In this session you will learn about the Greek acrophonic and alphabetic systems and the Hebrew number system.

Greek acrophonic system was a very long way of writing numbers. The number 849 consists of 13 characters.
The acrophonic system took up too much space and was difficult to write since people were carving in stone at that time.

To fix this problem the Greeks thought of using their alphabet. Their alphabet only had 24 letters so they added three more.
They used the same letters for numbers 1,000 to 999,999. They would put a comma to distinguish the numbers from other numbers.
Study the two Greek systems Greek acrophonic and alphabetic.
1.What is the base? Why do you think it was chosen?
2. How does your group think the system works?
3.What would 11, 22, 34, 78, and 206 look like?
4.What patterns exist in the system?
5.How easy do you think the system is to read and write?
6. What similarities exist in the systems?
7. What differences exist in the systems?
8. How does your system compare to the Egyptian system? About the Egyptian number system
How were numbers calculated in both systems?How Greek acrophonic and alphabetic numbers were calculated
Examine the Hebrew number system.
Which Greek system is it closest to and why?

Project: Make a Prezi with your group explaining what you learned about the number system. Be sure to include at least 3 "slides".