Mathematics Crossword

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Across
  1. 5. Zero. Additive identity of rational number.
  2. 6. Whole numbers along with negatives and zero.
  3. 9. The solution satisfies the ____.
  4. 10. A symbol used to represent an unknown quantity.
  5. 11. A number that can be written in the form p/q.
  6. 13. The number of times an observation occurs.
  7. 15. Opposite of positive.
  8. 16. A graph having no gaps between bars.
  9. 18. The bottom number of a fraction.
  10. 19. The average of observations.
Down
  1. 1. The middle value of ordered data.
  2. 2. A number that divides exactly.
  3. 3. The value occurring most frequently.
  4. 4. chart A graph represents part of a whole.
  5. 7. Number of rational numbers lying between two integers
  6. 8. graph A graph using rectangular bars.
  7. 12. Facts or figures collected for analysis.
  8. 14. A mathematical statement showing equality.
  9. 17. The top number of a fraction.