Addition Crossword

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Across
  1. 3. 3+__ = 14.
  2. 5. 3+1 = ___.
  3. 6. 5+3 = ___.
  4. 8. 12+4 = ___.
  5. 9. __+2 = 12.
Down
  1. 1. 7+12 = ___.
  2. 2. 1+__ = 2.
  3. 4. 18+2 = ___.
  4. 5. 2+__ = 7.
  5. 7. 10+3 = ___.