Spelling Matrix

123456789101112131415
Across
  1. 2. 15-3
  2. 4. age you can get your driver's license
  3. 8. age you can vote for president
  4. 9. 20-5
  5. 11. 7+1
  6. 12. the first 'teen'
  7. 13. 6+8
  8. 15. 7+2
Down
  1. 1. the number after ten
  2. 3. number before twenty
  3. 5. 14-7
  4. 6. third month of the year
  5. 7. 8+9
  6. 10. 6-2
  7. 14. 1+1