Across
- 3. to decide if one number is greater than, less than, or equal to another number
- 5. the result of addition
- 7. the result of subtraction
- 8. writing a number to show the value of each digit
- 9. to compose or decompose ones, tens, or hundreds
Down
- 1. a close guess using mathematical thinking
- 2. the way a number is written with words or said aloud
- 4. to approximate the value of the number by finding the nearest ten, hundred, or other place value
- 5. the way a number is written with numerals
- 6. a number, or the result of a calculation
- 10. a group of three places in a number, usually separated by commas