Modeling with Variables

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Across
  1. 4. connection
  2. 5. show, demonstrate, stand for something else using a symbol
  3. 7. amount, value, number
Down
  1. 1. repeated addition
  2. 2. a letter that represents a changing or unknown number
  3. 3. a sentence with a minimum of two numbers or variables and at least one math operation, there is no equal sign
  4. 6. a mathematical sentence with an equal sign