Math Crossword Puzzle

123456789101112
Across
  1. 4. Clue 7
  2. 6. Clue 6
  3. 7. Clue 8
  4. 8. Clue 12
  5. 10. Clue 10
  6. 11. Clue 5
  7. 12. Clue 9
Down
  1. 1. Clue 11
  2. 2. Clue 3
  3. 3. Clue 2
  4. 5. Clue 4
  5. 9. Clue 1