Across
- 2. addition
- 4. unit 3 was about...
- 6. shared by all
- 10. division
- 12. a number or variable
- 13. has an equal sign
- 14. equal
- 15. equals zero
- 16. value in front of a variable
- 17. stays the same
- 18. a value represented by a letter
Down
- 1. a number by itself
- 3. grouping will give same answer
- 5. subtraction
- 7. does not have an equal sign
- 8. multiplication
- 9. expressed as a raised symbol beside the number
- 11. opposite
- 19. greater than, less than