Across
- 2. numbers that are slightly adjusted to create groups of numbers that are easy to compute mentally
- 5. any number 0-9
- 8. type of estimation with specific rules for determining the closest value
- 9. determine which number is greater or less
- 10. representation of a number as a sum of place values
Down
- 1. arrange a set of numbers based on their numerical value
- 3. number as a sum of place values where each term is shown as a digit times its place value
- 4. reasoning to determine an approximate value
- 6. representation of a number using written words
- 7. to represent a number with digits