In a Nemeth transcription, omissions in a math problem are to be shown. If an omission is printed as a "write-on line", the Nemeth long dash is transcribed. For example, in 12 + 7 = __ is transcribed like this:
_% #12+7 .K ---- _:
Does this answer your question? If not, could you attach an example of the worksheet?
Lindy