Algebra Puzzle by Adrian Yeung

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Across
  1. 3. 3 terms
  2. 7. bottom number of a fraction
  3. 9. answer to addition
  4. 10. Top number of a fraction
  5. 13. x,z,y,a,b,q,w,e,f,d,t, etc
  6. 14. Center of operations
Down
  1. 1. 1 term
  2. 2. terms with same exponent and base
  3. 4. 2 terms
  4. 5. Several terms
  5. 6. Terms with different exponent and/or base
  6. 7. answer to subtraction
  7. 8. answer to division
  8. 11. 3 + 5 ___ 8 (fill in the blank with an expression)
  9. 12. answer to multiplication