I vote for whiteboards. They're easier for the students to read. I carry my own markers with me (and know enough to cap them). And in the rooms with greenboards, there seem to be only teeny-tiny stubs of chalk to use. And that chalk dust is just messy.
If someone accidentally uses a permanent marker on it, it's not a disaster. The marks can be removed with nail polish remover or whatever the janitorial equivalent is. Beth Benoit Granite State College Plymouth State University New Hampshire --- You are currently subscribed to tips as: arch...@jab.org. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=1554 or send a blank email to leave-1554-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu