Across
- 4. To change the value of a number to one that is easier to work with; 27 rounded to the nearest ten is 30.
- 6. Any number with 1, 3, 5, 7, or 9 in the ones place.
- 7. The representation of a number as a sum that shows the value of each digit; 536 = 500 + 30 + 6
- 9. A way of writing a number that shows only its digits, no words; 89 or 537
- 10. Numbers in a problem that are easy to work with mentally.
- 11. A number that ends with 0, 2, 4, 6, or 8.
Down
- 1. To break a number into different parts.
- 2. A problem-solving strategy in which bar models are used to visually organize the facts from a word problem.
- 3. A form of a number that uses written words; 472 written in words is four hundred seventy-two
- 5. A step-by-step process to add one place value at a time and then add those sums to find the total sum.
- 8. A number close to an exact value that indicates about how much.