: When you open it up, the paper will expand into a massive loop large enough for you to step through. This trick is a great way to demonstrate how surface area and perimeter can be manipulated. 2. A Teaching "WalkThru" (5-Step Guide)

: Ensure the walkthrough leads to a specific completion point, like submitting a form or finding a specific menu.

: Cut slits from the folded edge toward the open edge, then flip it and cut slits from the open edge toward the folded edge, stopping just before you reach the other side.

: Unfold the paper slightly and cut along the fold itself, but do not cut the first or last sections.