Addition & Subtraction

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Across
  1. 3. thirty-five plus thirty-five = __
  2. 6. thirty-nine minus thirty = __
  3. 8. twenty minus one = __
  4. 9. five minus two = __
  5. 11. twelve + ten + fourteen = __
  6. 12. ninety minus seventy-four = __
Down
  1. 1. seven plus eight = __
  2. 2. nineteen minus eight = __
  3. 4. eleven plus nine = __
  4. 5. six plus ten plus two = __
  5. 7. ten plus ten plus ten plus ten = __
  6. 10. twenty-three minus five minus ten = __