Math Grade 8 Puzzle

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Across
  1. 3. Any positive or negative whole number, including zero
  2. 8. The number of times an event, value or characteristic occurs
  3. 9. Part of a whole number
  4. 10. The distance around a shape
  5. 11. The distance around a circle
  6. 15. The value or values that occur most often in a set of data
  7. 16. The middle value in an ordered set of data
  8. 17. A whole number greater than one that has only one and itself as factors
  9. 18. Numbers the same distance from zero but on different sides of zero on the number line
  10. 21. A number that has a decimal point in it
Down
  1. 1. The distance across a circle through the center.
  2. 2. The number below a fraction bar.
  3. 4. The answer to a subtraction problem
  4. 5. The difference between the greatest and least values in a set of data
  5. 6. The answer to a division problem
  6. 7. Any one of the symbols 0,1,2,3,4,5,6,7,8,9
  7. 11. A whole number that has two or more factors
  8. 12. The sum of the values in a set of data divided by the number of pieces of data in the set.
  9. 13. Number that tells the times another number is a factor
  10. 14. The number above a fraction bar.
  11. 19. The answer to a multiplication problem
  12. 20. The answer to an addition problem