WONDER #1652: Who Invented the Zero?

Question 1 of 3

Before the invention of the zero, what did scribes use to denote absences in number columns?

1. letters
2. marbles
3. fruits
4. spaces

Question 2 of 3

The first recorded use of a symbol for zero dates back to the 3rd century in what ancient civilization?

1. Egypt
2. Babylon
3. Indiana
4. Greece

Question 3 of 3

The idea of zero was around for a long time before people started thinking of it as an actual what?

1. number
2. concept
3. idea
4. thought

Check your answers online at https://wonderopolis.org/index.php/wonder/who-invented-the-zero.