Across
- 2. the answer to an addition problem
- 4. symbols which show grouping
- 6. states that the way addends are grouped does not change the sum
- 8. states that the sum of any number and zero is the number
- 10. any numbers being added together
Down
- 1. states that the order in which numbers are added does not change the sum
- 3. a number close to the exact number
- 5. to rename a number using place value
- 7. a missing number or the number to be solved for
- 9. the value given to a digit by it's place in a number