| Student : | 18. |
| Teacher : | it's 18. And my height is what, then? What's my new height? Yeah: |
| Student : | 12. |
| Teacher : | 12 inches. And so what's my area? What's my new area? |
| Student : | um, |
| Teacher : | New are...yeah? |
| Student : | 18... |
| Teacher : | no, I want the area. That's 12 times the... Stu1? |
| Student : | 216. |
| Teacher : | 216. Okay, those are the same area. Hopefully, |
| Teacher : | somebody can tell me why they're the same area. |
| Teacher : | Why the same area of paper encloses this. Stu1? |
| Student : | Because it's the same piece of paper, it's folded differently. |
| Student1: | I know, I know! |
| Teacher : | Same piece of paper, it's folded differently. Now, how many of you... |