4 January 1999 Vol. 4, No. 1
THE MATH FORUM INTERNET NEWS
1999 Puzzle  Ken's Puzzle  Mathpuzzle.com  Prime Puzzles  Rivera
1999 PUZZLE  Judy Brown, Math Forum
http://mathforum.org./~judyann/1999.html
For students in grades 312 with a general knowledge of
mathematics. Use the digits in the year 1999 and the
operations +, , x, /, sqrt (square root), ^ (raise to a
power), and ! (factorial), along with grouping symbols,
to write expressions for the counting numbers 1 through 100.
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KEN'S PUZZLE OF THE WEEK  Ken Duisenberg
http://www.ecst.csuchico.edu/~kend/potw/current.html
A weekly puzzle for advanced high school or college level
students, with a math, geometry, or game focus. The problems
are easy to understand but tricky to solve.
An archive of over 100 previous problems and solutions is
available:
http://www.ecst.csuchico.edu/~kend/potw/archlist.html
See also Ken's Puzzle Links to more than fifty mathematical
and word puzzle pages:
http://www.ecst.csuchico.edu/~kend/potw/puzlinks.html
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MATHPUZZLE.COM: MATH PUZZLE OF THE WEEK  Ed Pegg, Jr.
http://www.mathpuzzle.com/
A site celebrating math puzzles and mathematical recreations.
Ed Pegg is a twentyyear member of the National Puzzler's
League, and frequently contributes to the New York Times
crossword, Games magazine, and National Public Radio's
Sunday Puzzler.
In addition to his puzzle of the week, Pegg's math puzzle
pages include:
 Fair Dice,
 Chaos Tiles
 Multistate Mazes,
 Iamonds
 Leapers,
 Word Play
 Previous Puzzles
 Other Stuff.
Also provided are links to places you can buy puzzles; good
applet puzzles; mathematical recreation sites; daily, weekly,
and monthly puzzle sites; and other sites the author likes
(game reports, reviews, etc.)
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THE PRIME PUZZLES & PROBLEMS CONNECTION  Carlos B. Rivera
http://www.sci.net.mx/~crivera/
An anthology of the most interesting problems and puzzles
explicitly related to prime numbers.
The site is organized into:
 Records  to convert you into a "prime hunter"; you'll
discover that all you need to top a record is a PC,
a good code, and a certain amount of patience
 Conjectures  mathematical "guesses" for experts to prove
or disprove
 Problems suitable for amateurs
 Puzzles  more than 30 puzzles having to do with prime
numbers:
http://www.sci.net.mx/~crivera/puzzles/puzzles.htm
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For more puzzle sites, see:
 The Big List of Puzzle and Riddle Pages
http://leden.tref.nl/mhulsman/biglist.htm
 The Black Stump Puzzle Page
http://www.blackstump.com.au/puzzle.htm
 The Ultimate Puzzle Site
http://www.dse.nl/puzzle/index_us.html
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CHECK OUT OUR WEB SITE:
The Math Forum http://mathforum.org/
Ask Dr. Math http://mathforum.org/dr.math/
Problems of the Week http://mathforum.org/pow/
Internet Resources http://mathforum.org/~steve/
Teacher2Teacher http://mathforum.org/t2t/
Discussion Groups http://mathforum.org/discussions/
Join the Math Forum http://mathforum.org/join.forum.html
Send comments to the Math Forum Internet Newsletter editors
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