christian's Math Exam Crossword Puzzle

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Across
  1. 2. a term that has no variable (number only)
  2. 4. operation an operation that “undoes” another
  3. 5. plug for the variable
  4. 7. the set of whole numbers and their opposites
  5. 9. expression consists of numbers and operations
  6. 10. a number, variable, or the product of one or more numbers and variables
Down
  1. 1. expression consists of numbers, operations, and variables
  2. 2. the numerical factor of a term (the number in front of a variable)
  3. 3. value the value of the number from zero
  4. 6. a relationship between two expressions or values are not equal to each other
  5. 8. a number, variable