Order of Operations Vocabulary Puzzle

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Across
  1. 2. An acronym for the order of operations
  2. 5. the process or skill of taking one number or amount away from another
  3. 6. the power to which a given number or expression is to be raised
  4. 7. Please _____ my dear Aunt Sally!
  5. 8. the action of separating something into parts
Down
  1. 1. the process of combining quantities to obtain their product
  2. 3. the process or skill of calculating the total of two or more numbers or amounts
  3. 4. a pair of round brackets ( )