Check for readability - format, spacing, visual appeal.
Check that the proof is complete, clear, and correct.
Write the final draft
Be sure to state the theorem you're proving.
Be sure to leave room in the margins and between proofs for
comments.
Turn it in
Proofs
are graded on a scale of 0 - 10. A grade of 9 or 10 means the
proof is perfect or nearly perfect. It is correct, complete, and
clear. A grade of 7 indicates that the proof is complete and
basically correct, but there are some problems with clarity or writing.
A grade of 4 indicates that the author has a good idea of how to
proceed, but there are some serious gaps in the proof. A grade of
2 is given for those who indicate that they understand the problem (by
rephrasing it in their own words, or outlining ways to attack the
problem), but they have not made any progress on proving it. If I
can't decide between two of these grades, I'll use the numbers in
between.