Sleding or Sledding: How To spell?
The word Sleding is misspelled against Sledding, a noun meaning "The act of transporting or riding on a sled."
Sledding has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Sle & ing which should not be misspelled with single 'D'
Wrong Spelling:  Sle-d-ing  Correct Spelling:  Sle-dd-ing 
Find more wrongly spelled words of Sledding to spell it well.