Across
- 4. Value the position of a digit in a number that tells the value
- 6. A process that determines which multiple of 10, 100, 1,000, and so on, a number is closest to
- 7. To know what something is because you have seen it before.
- 9. To tell what something is like.
Down
- 1. A number written as the sum of the values of its digits
- 2. Reasons for why something is true or false.
- 3. In a number, the period of three places to the left of the thousands period
- 5. A statement that is thought to be true but has not been proven.
- 8. A group of three digits, separated by commas, starting from the right