The history of numbers - Glenco Book of World History

The history of numbers goes back  a long way 

Numbers and colors in Ancient China 

https://www.ducksters.com/history/china/chinese_numbers_colors.php

Here is a text about Roman Numbers 

https://www.ducksters.com/kidsmath/roman_numerals.php

Here is a long text fromWikipedia: https://en.wikipedia.org/wiki/Hindu%E2%80%93Arabic_numeral_system

I previewed many videos and this one is the best that describes orgin of our present day numbers. 

Read the Glenco book of World History pages 184-187

Questions

Which numbering system is in use in your country today? 

Which was in use in the past? 

How was math used in the past? 

Who helped to popularize Hindu numbers? 

What other parts of life were made simpler because of the number 0 Zero? 

Homework: 

Choose a numbering system that we have learned today and write how you would describe it to a small child who doesn't know about numbers.