Integers!

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