WONDER #1387: How Do You Use an Abacus?

Question 1 of 3

A counting frame is also known as a what?

1. calculator
2. abacus
3. sand board
4. bamboo board

Question 2 of 3

A person who uses an abacus is known as a what?

1. mathematician
2. calculatrix
3. merchant
4. abacist

Question 3 of 3

Which of the following abaci may have been the first abacus ever invented?

1. Sumerian
2. Egyptian
3. Persian
4. Chinese

Check your answers online at https://www.wonderopolis.org/wonder/How-Do-You-Use-an-Abacus.