Math vocabulary Crossword Puzzle

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Across
  1. 2. a statement that the values of two mathematical expressions are equal
  2. 4. look for parenthesis
  3. 5. rearranging an algebraic equation so that a different variable is on its own
  4. 6. an alphabet or term that represents an unknown number or unknown value or unknown quantity
Down
  1. 1. a means of solving a problem or dealing with a difficult situation
  2. 3. as the values on which mathematical operations occur in an algebraic expression
  3. 4. the action of separating something into parts or the process of being separated