Final exam crossword

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Across
  1. 3. Operation – An operation that undoes another (e.g., addition and subtraction).
  2. 5. A mathematical sentence that shows two expressions are equal.
  3. 7. A fixed value that does not change.
  4. 10. The operation of splitting into equal parts or groups.
  5. 11. The operation of finding the difference between numbers.
  6. 13. Equation – An equation that can be solved using only one operation.
  7. 15. To get the variable alone on one side of the equation.
Down
  1. 1. The operation of combining numbers to get a sum.
  2. 2. The operation of repeated addition.
  3. 4. Sign – A symbol (=) showing that two expressions are the same.
  4. 6. The value of the variable that makes the equation true.
  5. 8. The number multiplied by a variable in an expression (e.g., the 4 in 4x).
  6. 9. A symbol (usually a letter) that represents an unknown number.
  7. 12. To keep both sides of the equation equal while solving.
  8. 14. To find the value of the variable that makes the equation true