Space Math

Edit Answers
123456789101112
Across
  1. 3. 19 - 3 =
  2. 7. 15 + 3 =
  3. 9. 16 - 8 =
  4. 10. 12 + 7 =
  5. 11. 8 + 4 =
  6. 12. 7 + 4 =
Down
  1. 1. 17 - 2 =
  2. 2. 9 + 5 =
  3. 4. 13 - 11 =
  4. 5. 3 + 3 =
  5. 6. 5 + 5 =
  6. 8. 20 - 19 =
  7. 9. 15 - 6 =
  8. 12. 17 - 10 =