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

Gardner, Martin. Mathematics, It's Spirit and Use. New York: W. H. Freeman, 1978.

Maletsky, Evan. "Curves of Constant Width." In Teaching with Student Math Notes, Vol. 2. Reston, VA: National Council of Teachers of Mathematics, 1989.

Melnick, Mimi. Manhole Covers. Cambridge, MA: MIT Press, 1994.

Home · Back to the Challenge · Answer · Try These · Think About This · Did You Know?
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.