marvelous math

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Across
  1. 2. a negative or whole number that includes 0 that doesn't include fractions
  2. 5. made of a numerator and a denominator
  3. 8. a function that has one or two variables without exponents
  4. 9. the number above the line of a fraction
  5. 12. the space filled by a solid liquid or gas
  6. 13. a number that can be written as a fraction or deccimal
  7. 15. the number on the bottom of a fraction
  8. 19. distance around a circle
Down
  1. 1. a number below 0
  2. 3. the result of a division or multiplication problem
  3. 4. a shape with 3 sides that adds up to 180 degrees
  4. 6. when multiple numbers equal up to x(or a certain number)
  5. 7. the bottom of a figure or shape
  6. 10. the middle of numbers smallest to largest
  7. 11. the measurement of a surface
  8. 14. a point in the middle of a coordinate such as (0,0)
  9. 16. the distance from the center of a shape to the outside
  10. 17. the dot that separates a whole number and a fraction or number below 1
  11. 18. the average or norm