Algebra Key Vocabulary

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Across
  1. 2. the opposite of addition
  2. 6. the opposite operation needed to balance the equation
  3. 7. the opposite of multiplication
  4. 8. a mathematical sentence with numbers, letters and/or operations on BOTH sides of an equal sign
Down
  1. 1. the opposite of division
  2. 3. a mathematical action
  3. 4. an unknown value, usually a letter
  4. 5. the opposite of subtraction