Number Crossword

12345678910111213
Across
  1. 3. The magic number
  2. 4. 1 + 1
  3. 5. One followed by six zeros
  4. 8. The lucky number
  5. 9. 10 - 2
  6. 11. Five + Five + Five
  7. 13. 10 x 2
Down
  1. 1. 50 x 2
  2. 2. 3 + 1
  3. 3. 5 x 5
  4. 6. All on it's
  5. 7. 3 X 3
  6. 8. 2 x 3
  7. 10. 5 + 3 + 2
  8. 11. Half of 100
  9. 12. 3 + 2