Mouth Full of Math

1234567891011121314151617181920
Across
  1. 3. half of a dozen
  2. 6. a four sided polygon
  3. 8. the inverse operation of multiplication
  4. 10. an angle that is less than ninety degrees
  5. 11. twelve inches
  6. 14. A part of a whole
  7. 17. A polygon with five sides
  8. 18. a fraction where the numerator is larger than the denominator
  9. 20. equal to 4 cups
Down
  1. 1. the sum of all side of a polygon
  2. 2. the sum of the angles is equal to ninety
  3. 4. equal to three feet
  4. 5. the product of length and width
  5. 7. equal to five thousand two hundred and eighty feet
  6. 9. the inverse operation of addition
  7. 12. an angle that is greater than ninety degrees
  8. 13. equal to 16 cups
  9. 15. a three sided polygon
  10. 16. An eight sided polygon
  11. 17. numbers divisible by one and itself
  12. 19. equal to half of the diameter