solving equations and inequalities cross word puzzle

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Across
  1. 3. : 3 + (x + y) = (3 + x) + y OR
  2. 7. : Numbers that can be expressed as a fraction, or in decimal form as either a terminating or repeating decimal.
  3. 8. : A mathematical statement that shows the relationship between quantities that are not necessarily equal.
  4. 9. : 3(x + 7) = 3x + 21 (name the property)
  5. 10. : Numbers whose decimal form is non-terminating and non
  6. 12. : A mathematical statement that two expressions are equal.
  7. 13. : Set of all rational and irrational numbers
  8. 14. : Considered "counting numbers" - does not include zero
  9. 16. : the answer to a subtraction problem
  10. 18. : Set of positive and negative rational numbers that includes zero but no decimals.
  11. 20. : the answer to a multiplication problem
  12. 21. : 4x = 4x (name the property)
  13. 23. : the answer to a division problem
  14. 24. : If 5 = x then x = 5. (name the property)
Down
  1. 1. : 3 + 4 = 4 + 3 OR 5*7 = 7*5 (name the property)
  2. 2. : Letter used to represent an unknown quantity
  3. 4. : Fill in the blank. The product of a number and its ________ inverse equals positive one.
  4. 5. : Fill in the blank. The sum of a number and its additive _____ equals zero.
  5. 6. : 3 + 0 = 3 (name the property - it's the additive ____
  6. 11. : If y = k, and k = 3, then y = 3. (name the property)
  7. 15. : If x = y then y can replace x in any equation that contains x. (name the property)
  8. 17. : limitation or restriction
  9. 19. : the answer to an addition problem
  10. 22. : boundless, endless, goes on forever