Riley's Algebra Puzzle

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Across
  1. 6. the set of numbers containing zero, the natural numbers, and all the negatives of the natural numbers
  2. 7. a symbol used to represent a value
  3. 9. a constant that multiplies a variable
  4. 11. the intersection of two sets
  5. 12. numbers the union of the set of rational numbers and irrational numbers
  6. 14. any two real numbers the same distance away from zero , but in opposite directions
  7. 16. a well defined group of objects.
  8. 17. a number that indicates the operation of repeated multiplication
  9. 20. set a set that contains no elements
Down
  1. 1. the answer to a division problem
  2. 2. a value that does not change
  3. 3. the opposite operation of multiplication
  4. 4. a number that indicates the operation of repeated multiplication
  5. 5. one of two or more expressions that are multiplied together
  6. 8. the result of subtracting two numbers
  7. 10. a mathematical statement that says that two expressions have the same value
  8. 13. value the distance of a number from zero
  9. 15. the result of two numbers being multiplied
  10. 18. a member of a set
  11. 19. the result of adding