Teacher:	ll right, let's make it into a cylinder. Magic... cylinder.
Teacher:	What part of that sheet of paper is what on the cylinder?
Teacher:	Okay, that's your first job. You know how big a sheet of paper is.
Teacher:	How big is it?
Student:	8 and-a-half by 11...
Teacher:	8 and-a-half by 11. So, once it's a cylinder, what is this?
Student:	The height.
Teacher:	It's the height. Do you know how big it is?
Student:	8 and-a-half inches.
Teacher:	And what is this part?
Student:	The circumference.
Teacher:	Circumference.
Teacher:	So, if that's the circumference, then how big is it?
Student:	11 inches.
Teacher:	Okay now... where's r? That's another thing that I need for you to think about.
Teacher:	Do you know the formulas for circumference and volume?
Teacher:	I've written them down, so it's okay.
Teacher:	Go for it.
Teacher:	Go for it.