Polynomials and Exponents

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Across
  1. 3. -
  2. 4. To the power of
  3. 6. Number in addition
  4. 8. What class this is
  5. 10. Base number in subtraction
  6. 12. Adding the exponent, not multiplying.
  7. 14. Number in multiplication
  8. 16. +
  9. 18. Finishing multiplication
  10. 19. Number being divided
Down
  1. 1. Finished subtraction problem
  2. 2. /
  3. 5. Doing something to two numbers
  4. 7. Finished addition problem
  5. 9. Number being subtracted from base
  6. 11. x
  7. 13. Multiplying in a square
  8. 15. Number in a polynomial
  9. 17. Number being divided by
  10. 20. Math homework for O'Hara