Students are given one of two lists of coordinate points to connect. When they are done, they will have a picture of a cross-section of a nautilus shell. There are two versions, both are included: Easy and Moderate.
Here are some tips:
 All points will be on one grid line or another.
 A completed picture has been provided to be used as a key.
 I have found that printing graph paper directly from themathworksheetsite.com helps out, but any graph paper will do.