Across
- 2. algebra
- 4. coordinate plane lines meet
- 7. number
- 8. the value of a number
- 10. the difference
- 11. number standing alone
- 12. letter
Down
- 1. sequence
- 3. equation without equal sign
- 5. number with letter
- 6. the angle a line is going on a coordinate plane
- 9. problem
