Across
- 7. exchanging 10 units for 1 of the next larger unit
- 9. the numerical value that a digit has based on its position in a number
- 11. process of separating a larger component into smaller components
- 12. approximating the value of a given number
- 13. numbers that make calculation simpler when estimating solutions
- 14. a step-by-step procedure to solve a type of problem
- 15. the answer to an addition problem
- 16. a number written using only words
Down
- 1. a line marked with numbers at evenly spaced intervals
- 2. an expression that is a sum of multiplication expressions, each representing the value of one digit
- 3. a number written with only digits.
- 4. a way of writing a number that shows how many of a place value unit
- 5. exchanging 1 unit for 10 of the next smaller unit (e.g., 1 hundred for 10 tens)
- 6. a drawing that can be used to represent a word problem
- 8. an approximation of a quantity or number
- 10. a number, or any combination of sums, differences, products, or quotients of numbers that evaluates to a number