Here you will find some useful information:

Campus map, interactive campus map, and interactive campus map centered at the math building

Walking directions from Holiday Inn to Featheringill Hall (School of Engineering)

Walking directions from Featheringill Hall to Stevenson Center 1 (Math Dept)

Walking directions from Holiday Inn to Stevenson Center 1 (also useful if you are walking from some other nearby location)

Walking directions from Hampton Inn at West End (also useful if you are walking from some other nearby location)

Walking directions from Hampton Inn at Elliston Place (also useful if you are walking from some other nearby location)

Further directions to the Math department (with hints in case you get lost)

Directions to Amerigo Italian Restaurant 

Further information:

Department of Mathematics
Vanderbilt University
Directions to VU
Nashville Profile