H+H, H-H, H+T, H-T, H+E, H-E

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Across
  1. 1. 300 - 4 =
  2. 4. 900 + 8 =
  3. 6. 200 + 200 =
  4. 7. 900 - 50 =
  5. 8. 400 - 10 =
  6. 10. 800 - 300 =
  7. 11. 600 + 2 =
  8. 13. 700 + 9 =
  9. 14. 800 + 7 =
Down
  1. 1. 200 + 30 =
  2. 2. 200 - 60 =
  3. 3. 300 + 5 =
  4. 4. 500 + 400 =
  5. 5. 900 - 2 =
  6. 8. 200 + 100 =
  7. 9. 500 - 70 =
  8. 10. 600 - 40 =
  9. 12. 300 - 2 =
  10. 13. 800 - 3 =