MATH TERMS CROSSWORD PUZZLE!

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Across
  1. 5. A negative plus a negative
  2. 6. A seven-sided figure
  3. 8. Identical in size and shape
  4. 9. Length across a circle, running through center
  5. 12. The middle number after ordering the numbers
  6. 13. The answer to a multiplication problem
  7. 15. A six-sided figure
  8. 16. The answer to an addition problem
  9. 17. A half of a sphere
  10. 22. A half of a circle
Down
  1. 1. A triangle with no congruent angles or sides
  2. 2. The number in a set of data that occurs most
  3. 3. Quotient of the sum of the data and how many data
  4. 4. The answer to a subtraction problem
  5. 7. An eight-sided figure
  6. 10. A five-sided figure
  7. 11. The answer to a division problem
  8. 14. The length of the center to the edge of a circle
  9. 16. rise over run (change in y over change in x)
  10. 18. A triangle with w/ 3 congruent angles & sides
  11. 19. The largest number minus the smallest number
  12. 20. A triangle with 2 congruent angles and sides
  13. 21. A negative times a negative