Expressions and Equations

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Across
  1. 1. replace an unknown letter with a given value
  2. 5. interior angles equal 360 degrees
  3. 7. the number to the left of a variable
  4. 10. multiply the number on the outside of parenthesis by all the terms on the inside
  5. 11. find the answer
  6. 12. a value or number that does not change
  7. 14. a statement that the values of two mathematical expressions are equal
  8. 16. terms terms that can be combined in an expression or equation
  9. 17. the answer to a division problem
Down
  1. 2. interior angles equal 180 degrees
  2. 3. a letter that represents an unknown number
  3. 4. the answer to a multiplication problem
  4. 6. a phrase that combines numbers, variables, and operators
  5. 8. get by itself
  6. 9. the answer to a subtraction problem
  7. 13. the answer to an addition problem
  8. 15. a statement that the values of two mathematical expressions are equal