Across
- 2. each group of three digits in a number
- 4. a number expressed in words
- 6. one hundred years
- 8. a way to write numbers by showing the value of each digit
- 9. a way to write numbers using the digits 0 - 9
Down
- 1. any one of the ten symbols
- 2. value of a number based upon its place within the number
- 3. any number to the left of the decimal
- 5. a thousand years
- 7. most used numeration system which is based on the digit ten
- 10. ten years