Cardinal number

123456789101112131415
Across
  1. 2. fifteen plus two
  2. 5. after seven
  3. 6. twenty plus seventeen
  4. 8. number 33
  5. 9. before sixteen
  6. 10. number 28
  7. 12. number 11
  8. 15. number 45
Down
  1. 1. five times five
  2. 3. after two
  3. 4. number 12
  4. 6. ten divided by five
  5. 7. sixty minus one
  6. 11. after nineteen
  7. 13. before one
  8. 14. before seven