Math project

Edit Answers
123456789101112
Across
  1. 2. swap *digits*
  2. 4. Yen
  3. 6. swap *signs*
  4. 7. Google
  5. 9. three terms
  6. 11. change is the only ....
  7. 12. birthdays
Down
  1. 1. better workers together
  2. 3. agreement
  3. 5. is to
  4. 8. many terms
  5. 10. x,y,z