Across
- 2. rounding the numbers in an equation to find an approximate answer
- 4. property where, when more than two numbers are added, the result remains the same, no matter how they are grouped
- 6. answer to an addition problem
- 7. not beyond what is usual or expected
- 8. property where any number added to zero stays the same
- 9. answer to a subtraction problem
Down
- 1. to break apart
- 3. property where you can add numbers in any order and the answer will always be the same
- 5. form a way to look more closely at a number to find out what each digit is worth and then write it as an addition sentence