Question

What is tally marks?​

Answer 1

Answer:

tally mark also called hash marks and they are a unary numeral system

Answer 2

Tally marks, also called hash marks, are a unary numeral system. They are a form of numeral used for counting. They are most useful in counting or tallying ongoing results, such as the score in a game or sport, as no intermediate results need to be erased or discarded. Every fifth mark is drawn across the previous 4 marks, so you can easily see groups of 5