Across
- 2. A number that has no number of its own?
- 5. The initial title of zero?
- 6. what is the name of a figure with 6 corners
- 7. How many walls does a cube have?
- 8. What is a mathematical "recipe" for doing something?
- 9. What is the circumference of a circle also called?
Down
- 1. Who discovered zero (0)?
- 3. What unit is a hundredth of a meter?
- 4. What is before the Quadrillion?
- 5. what was the first country to use negative numbers?