Question

What was the oldest counting board ever found?

a) Roman abacus
b) Sumerian clay tablet
c) Chinese counting rod
d) Egyptian papyrus

Answer 1

The oldest counting board ever found is the Sumerian clay tablet.

Step-by-step explanation:

The oldest counting board ever found is the Sumerian clay tablet. These clay tablets were inscribed with writing and were believed to have originated from small clay tokens and pictures of them on clay vessels. The Sumerians used these tablets as a way to record numerical data and carry out calculations.