Pre-Algebra Puzzle

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Across
  1. 2. the number part of a term with a variable
  2. 5. number being multiplied by itself
  3. 8. first in order of operations
  4. 10. repeated multiplication of the same factor
  5. 11. horizontal number line
  6. 12. a number term that has no variable
  7. 13. terms that have identical parts
Down
  1. 1. number of times the base is used as a factor
  2. 3. property in which order doesn't matter
  3. 4. property says zero plus a number is the number
  4. 6. vertical number line
  5. 7. letter used to represent an unknown number
  6. 9. property where grouping can be changed