Numbers 1-15 Crossword

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Across
  1. 3. 3 + 3 =
  2. 4. 9 - 5 =
  3. 5. 3 + 10 =
  4. 8. 3 - 1 =
  5. 11. 17 - 3 =
  6. 12. 14 - 5 =
  7. 13. 17 - 6 =
  8. 14. 16 - 6 =
Down
  1. 1. 6 + 2 =
  2. 2. 19 - 4 =
  3. 6. 5 + 7 =
  4. 7. 9 - 6 =
  5. 9. 0 + 1 =
  6. 10. 5 + 2 =
  7. 11. 11 - 6 =