Math crossword

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Across
  1. 2. A comparison of two numbers
  2. 5. negative Two negatives can mult. div. together to create a positive
  3. 11. When the numerator is larger than denominator
  4. 13. This uses keep, change, flip
  5. 14. two expressions with an inequality sign between them
  6. 15. Individual parts of an expression separated by +/- signs
  7. 17. Two expressions with an equal sign between them
  8. 19. Multiplication spread out over +/-
  9. 20. A number that stands alone
Down
  1. 1. Matching variables, and same amounts
  2. 3. The distance from a number and zero
  3. 4. An equation stating that the values of two ratios are equivalent
  4. 6. expression An algebraic expression in which the exponent of each variable is 1
  5. 7. A real number divided by a real number
  6. 8. A ratio of two quantities using different units
  7. 9. A number that is attached to the variable
  8. 10. A letter that represents a number
  9. 12. The set of whole numbers and it's opposite
  10. 16. Means opposite
  11. 18. An integer added with a proper fraction