Home Back to the Challenge Try These Think About This... Did You Know? Resources Try Another Challenge
Answer
Figure This!
 

Quick Answer:

Patterns 1, 3 and 4.

 

 

 

Complete Solution:

One way to solve the problem is to assign letters to matching corners as shown in the diagram below. Fold the pattern into a box and see if the ribbon matches:

Pattern 1.

Pattern 2.
The ends of the ribbon will not meet.

Pattern 3.

Pattern 4.


  
   
Home · Back to the Challenge · Try These · Think About This  ·  Did You Know? · Resources
Try Another Challenge · Challenge Index · Math Index · Printing the Challenges · En Español
Family Corner · Teacher Corner · About Figure This! · Purchase the CD
©2004 National Council of Teachers of Mathematics
Web site and CD-ROM design/production
© 1999-2004 KnowNet Construction, Inc.