math crossword

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Across
  1. 3. a symbol for a value we don't know yet
  2. 6. 2 numbers written a certain order
  3. 10. to calculate value of
  4. 12. shows the relative size of 2 or more values
  5. 14. repeated addition
  6. 17. a number says how many times to use in multiplicatio
  7. 18. all sides are a triangle with a square base
  8. 19. area the total area of the surface of a three-dimensional object
  9. 20. a number used to multiply a variable
  10. 23. the plane containing the "x" axis and "y" axis
  11. 24. to calculate the value
Down
  1. 1. all sides are parallel
  2. 2. the"Middle" of a sorted list of numbers
  3. 4. the difference between the lowest and highest values
  4. 5. always the same distance and never touching
  5. 7. the amount that you want to divide up
  6. 8. the average of the numbers
  7. 9. how much of something per 1 unit of something else
  8. 11. the number we divide by
  9. 13. a solid object with two identical ends and flat side
  10. 15. going side to side
  11. 16. parts per 100
  12. 21. a flat shape with 4 straight sides and a pair of parallel sides
  13. 22. up and down direction