February 23, 2007
Volume 12 No. 8
 

In This Issue

Solutions: 2007 Mathematics Game

K-12 Math Problems, Puzzles, Tips & Tricks

Robert J. Lang Origami

T2T FAQ: Pi Day

NOVA: Einstein's Big Idea

 

Solutions: 2007 Mathematics Game

http://mathforum.org/yeargame/2007/solutions/

Students' solutions to the 2007 Mathematics Game have now been posted. Submissions are still being accepted for some digits. Check this page for information:

http://mathforum.org/yeargame/2007/

K-12 Math Problems, Puzzles, Tips & Tricks

http://mathforum.org/k12/mathtips/

Links to calculation tips (Beat the Calculator, divisibility rules, multiplication tips), math problem sets, and math number and line puzzles.


Robert J. Lang Origami

http://www.langorigami.com/

Robert J. Lang has been an avid student of origami for over thirty years and has over 400 designs catalogued and diagrammed. His work combines aspects of the Western school of mathematical origami design with the Eastern emphasis upon line and form to yield models that are at once distinctive, elegant, and challenging to fold.

Areas of his site include:

  • art
  • science
  • artist
  • publications
  • faq
  • paper
  • diagramming
  • glossary
  • miscellaneous links

The 2007 Origami Design Challenge

Lang includes this description of the topic: "A plant. Not a leaf, or a single flower, but a full plant. (Roots, pot, ground are optional.) You pick the species: moss, fern, herbaceous, woody, big, small, weed, or tree; it's your choice. But whatever it is, it must be folded from an uncut square."

For eligibility and other information, view the bottom of this page:

http://www.langorigami.com/art/challenge/challenge.php4


T2T FAQ: Pi Day

http://mathforum.org/t2t/faq/faq.pi.html

Are you planning a Pi Day celebration for March 14? If you are looking for some ways to celebrate math in your math class, or if you would like to suggest some school-wide thematic activities, you are certain to find ideas on this page to help you design a Pi Day that students will enjoy.

If honoring pi is not enough of a reason to make this day special, keep in mind that March 14 is also Albert Einstein's birthday!


NOVA: Einstein's Big Idea

http://www.pbs.org/wgbh/nova/einstein/

Resources to accompany the PBS broadcast "Einstein's Big Idea," the theory of special relativity.

 

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