Integers!

12345678910111213141516171819
Across
  1. 3. 35+34-0=
  2. 4. -3+-2=
  3. 5. -10+15=
  4. 8. Whole numbers positive or negative (use neg or pos before the number, in word form.)
  5. 9. 2-21=
  6. 11. 15x5=
  7. 14. 120/5=
  8. 16. 4x8=
  9. 17. 54-84+4=
  10. 18. -10+21=
  11. 19. 100-90=
Down
  1. 1. 90/5=
  2. 2. 9-18=
  3. 5. -9+17=
  4. 6. -128/4=
  5. 7. -8/2=
  6. 10. -84+32=
  7. 12. The distance of a number from zero
  8. 13. 84-69=
  9. 15. -5x3+2