101. The Rec.puzzles Archive Here are the subjects analysis Some math may be required geometry - Can three houses be connected games - puzzles based on popular (board) games http://rec-puzzles.org/

The rec.puzzles archive This is the index of the rec.puzzles archive, taken from archive-request@questrel.com. You can browse through the puzzles, and click on the Solution link to see the solution of the puzzle. If you're e-mailing about a particular puzzle or solution, please mention at least the puzzle's name as it appears in the page. If the puzzle is not too long, please copy and paste the question and the solution, this makes it a lot easier for me to know what you're talking about. E-mail without a subject that says: "I think your solution is wrong, the man must be born on a wednesday" will usually be ignored. Also, please send your e-mail as plain text, not HTML or proprietary formats. Search for puzzles on this site Enter keywords separated by spaces: Latest archive I'm experimenting with a new format, using the latest version of the archive. The index page still needs work, but you can already visit it here. Suggestions for a better index page are welcome, especially in the form of HTML. Subjects The rec.puzzles archive is a list of puzzles, categorized by subject area. Each puzzle includes a solution, compiled from various sources, which is supposed to be definitive. Here are the subjects:

102. The Truth Tree's Math And Logic Board Collection of math and logic puzzles ranging in levels of difficulty. http://www.truthtree.com/mathdoor.html

Another One Bites the Dust Queen The Truth Tree's Math and Logic Board Note to "james": We already have a contestant named "james" with a different password. Come back under a different name! - Remi On this page you will find a collection of problems in math and logic. You can solve these problems and compete with other visitors to The Truth Tree. Each problem has a point value. Your score will be the sum of all the point values of the problems you have solved correctly less a penalty for wrong answers. You may try repeatedly to get the right answer, but each time you miss a problem a point is deducted from your score. The first thing to do to participate on this Board is to sign in. You don't have to use your real name, but if you want your score to build up you will have to use the same name and password every time you log in. You must also enter a password so that your answers will be credited only to your name. Without the password, some practical joker could enter a lot of wrong answers under your name, thus decreasing your score. There are two scoreboards. The first one lists the contestants in order of their scores with the top scoring contestants listed first. This one can be found at

103. Mr. Titen's More Than Math Page Mathematics teacher provides puzzles for students. http://www.geocities.com/EnchantedForest/Tower/1133/

Go Where Ya Need To! Home Challenge Problem The Home Work Place Mrs. Mackinney's Place ... E-Mail Me: suggestions, comments, things to add. Hello, I'm Mr. Titen. I teach math in New Jersey. This site has many different pages. So check them all out. Contents descriptions down below. A WEEKLY MESSAGE FROM MR. T Hey check out the new problem... it's a real mailer... hehehehe.. bad joke sorry. Quote of the Week! Never Judge a Day by the Weather. mR. t :-) GOOD LUCK!!! See ya next week. Same BAT time, same BAT channel! Challenge Problem Here is the challenge problem for the week. For my student's it is extra credit. Topics are from basic math to basic algebra to basic geometry. Some use straight foward thinking, some need more creative lateral thinking. Are You Ready for the Challenge?!? The Home Work Place : Calendars of HOME WORK for all my classes. These cover the next two weeks of school and should be updated weekly. Mrs. MacKinney's Web Page A link to the coolest English/Science teacher in the school. Fun with Numbers Different tricks to do with numbers. Some use cards, some use dice, some use calculators, ..., all

104. The Ultimate Puzzle Site! (puzzles, Riddles, And Quizzes: The Ultimate Puzzle An mathematics) Harder Riddles (no mathematics) mathematical Pproblems (a little math) Harder mathematical Problems (some more math) Logical puzzles BrainTeasers http://www.dse.nl/~puzzle/index_us.html

Lots of challenging puzzles and riddles in various categories and exciting interactive quizzes and tests! The Ultimate Puzzle and Riddle Site! T HE U LTIMATE P UZZLE S ITE Rob van Gassel Jurgen Heijmans Edwin van Veldhoven Nederlandstalig (switch to dutch) Show navigation index! A S hort I ntroduction... W elcome to The Ultimate Puzzle Site, an initiative of three dutch former students. We hope you, and many other people, will share the excitement of puzzling. We guarantee that all puzzles and riddles on our site are interesting ( click here for a proof)! Don't hesitate to check this site frequently and find out what has been changed or added!... T he puzzles have been subdivided into the following categories: B asic P uzzles (no mathematics) H arder R iddles (no mathematics) M athematical P problems (a little math) H arder M athematical ... roblems (some more math) L ogical P uzzles ... uiz (testing your knowledge on extreme matters) T he nd Q ... uiz (testing your logical insight) B rain T ests ... xperiments (test your brain!) F unny P uzzles ... okes T he puzzles are marked with stars ( ) denoting the degree of difficulty of the given puzzle. Our

105. EdHelper.com - Theme Units, Lesson Plans, Worksheets And Teacher Tools! Print worksheets and puzzles. Includes Basic math, Decimals, Fractions, Percents, Ratios, Measurement, Probability, Statistics, Algebra, First Grade Worksheets, and Number puzzles. http://www.mathbuilder.com/

mathbuilder has moved to edHelper.com mathbuilder has moved to edHelper.com

106. CRpuzzles.com - Your On-Line Puzzle Magazine Featured puzzles include Word Search, Crossword, Picture Scramble, Logic Problem, Memory Match, Kriss Kross, Cryptogram, Word math, and Morphword. http://www.crpuzzles.com/

Home Current Puzzles Crossword Cryptogram Crypto List Kriss Kross ... Word Search Puzzle Archives Space Puzzles Feedback Welcome to CRpuzzles, your on-line puzzle magazine committed to giving solvers free, daily-updated, print magazine-class puzzles. User-friendly, Java interactive solving capabilities and careful construction by experienced print puzzle contributors distinguish CRpuzzles from other web sites: Logic Problems are by R. L. Whipkey, who has published almost 1,000 Logic Puzzles in Dell and Dell Champion magazines; Picture Scramble is a game playable by all ages that accents the fun of jigsaw-like puzzles with computer tools to create a singular solving dilemma; Word Search Puzzles are hand-built to test the Word Search fan with grids packed with intricately intersecting words; Crosswords are designed at the solving level of respected daily newspaper crossword puzzles; Cryptograms and Crypto Lists extend standard cipher problem difficulty with an extra Keyword solution challenge; Memory Match is a variant of the classic concentration game that develops attention skills in a fun situation;

107. Milken Family Foundation - Mike's Math Club Includes puzzles and games to test knowledge of basic skills. Opens in Adobe Acrobat Reader. http://www.mff.org/mmc

MFF.org Initiatives Mike's Math Club Available NOW! Click here to find out more! Check out this cool way to keep in touch with your friends. Type in your secret message and then send it to a friend (or to THE TEAM) scrambled in Secret Code. Teachers' Corner This newly created section of our Web site showcases some of our many teacher-directed activities that bring your math lessons to life! Check out the latest pictures of students at Amestoy Elementary School having fun with the MMC Team. click here Watch out for Ollie's Cave as you practice your multiplication skills with Professor Panda's Product Game! E-mail the Webmaster External sites not endorsed by the Milken Family Foundation

108. Dyllan's - A To Z Activity Dinosaur Page Dinosaur puzzles Solve the math Problems, and then substitute a letter for each number, from the code to find the Dinosaur Name. http://www.geocities.com/EnchantedForest/Dell/2237/dino/puzzles.html

Dinosaur Activities A to Z - Infomation Color Pages Dino Mazes and Dot-to-Dots Dinosaur Math Puzzles Crossword Puzzles Dinosaur Information Pages Dinosaur Puzzles Solve the Math Problems, and then substitute a letter for each number, from the code to find the Dinosaur Name. There is a Javascript Version, where you can find out the answer before you leave, Dinosaur - Subtraction Puzzle 1 Dinosaur - Subtraction Puzzle 2 Dinosaur - Subtraction Puzzle 3 Dinosaur - Subtraction Puzzle 4 ... Dinosaur - Multiplication/Division Puzzle 2 Dinosaur Crossword Puzzles Along with the answers to the puzzle. Brachiosaurus Crossword Puzzle Giganotosaurus Crossword Puzzle Triceratops Crossword Puzzle Tyrannosaurs Rex Crossword Puzzle Last Updated May 3, 1999 Dyllan Email: Willie-dyllan@geocities.com Home Page: http://www.geocities.com/~willie-dyllan/

109. Nikora's Puzzles A set of puzzles and riddles, ranging from basic math to college level, with full solutions. http://www.nikora.com/puzzles/

Nikora Family Puzzles The following lists contains items sent to the Puzzles e-mail list. To put yourself on the Puzzles e-mail list, just ask Leo Recent Additions (in reverse date order) September 29th How Many Ways are there to Make Change for a Dollar? April 16th What is X in Terms of N? March 31st What is the Area of the Path? March 17th Which is Larger pi e or e pi March 10th What are the Remaining Markings on the Yardstick? AreThere More Such Triangles? Can 3 Lines Divide a Circle into 7 Equal Parts? Can the Table be Cut to Make Two Stools? ... Will There be a Collision?

110. Puzzles And Problems Shape and Space (Measurement) Describe and compare everyday phenomena, using either direct or indirect measurement. BACK TO TOP. Digit Placing Puzzle. http://www.galileo.org/math/puzzles.html

*NEW* Fox and the Four Holes Robot in the Circuit Board A Moving Counter Problem Frog Catchers ... Rug Challenge *NEW* Annie Ant *NEW* Galactic Takeover Barbanegra the Pirate *NEW* Golden Balls Sliding Pennies Black and White *NEW* Grandma's house Snazzy Triangle Boxes and Balls Greek cross and squares *NEW* Snow Day Phone Chain Bridges of Konigsberg Jedi Knights and Storm Troopers Space Travel ... Looking for Patterns *NEW* The Frog and the Fly Game Circle Numbers II Number Bracelets *NEW* This-way-that-way Maze Classic Nim Passing Trains I Tiles ... Pig *NEW* Traffic Jam *NEW* Die Hard With a Vengeance One Potato, Two Potato Triple Double Jigsaw Digit Placing Puzzle ... Rectangles *NEW* Turning Train I Dot Game Advanced Rep-tiles Turning Train II ... Double Jigsaw *NEW* Reverse the Fish Wild Tic-tac-toe Double Triple Jigsaw *NEW* Reverse the Triangle Wineglass Toothpicks Please visit the following links for more high school math puzzles and problems: Cut the Knot Math Forum Puzzles Puzzlers Paradise Maths Challenge ... Quick Puzzles The dealer draws four cards from the top of a shuffled deck of cards. Using division, multiplication, addition and subtraction, create a mathematical sentence that equates to 24. The first person to create 24 gets to keep those cards. The game continues until the whole deck has been used. The player with the most cards at the end of the game is the winner.

111. Mathematical Puzzles Click here for more detailsDr. Ecco s Cyberpuzzles 36 puzzles for Hackers and Recommended Books/Sites • Search web or EluZions for Mathematical puzzles . http://eluzions.com/Puzzles/Math/

Arts Computers Gallery Games ... My Best Mathematical and Logic Puzzles Martin Gardner The Everything Kids' Math Puzzles Book: Brain Teasers, Games, and Activities for Hours of Fun (Everything Kids Series) Meg Clemens, Sean Glenn, Glenn Clemens, Sean Clemens Recommendation: The Colossal Book of Mathematics: Classic Puzzles, Paradoxes, and Problems Martin Gardner Mathematics, Magic and Mystery Martin Gardner Entertaining Mathematical Puzzles Martin Gardner Recommendation: The Moscow Puzzles : 359 Mathematical Recreations Boris A. Kordemsky The Millennium Problems: The Seven Greatest Unsolved Mathematical Puzzles of Our Time Keith J. Devlin The Riddle of Scheherazade: And Other Amazing Puzzles Raymond Smullyan Lewis Carroll’s Games and Puzzles Lewis Carroll, Edward Wakeling Recommendation: Michael Rios, Dave Tuller Mathematical Puzzles About Us A - Z Site Map Top Pages ... Cell Phones See also: Fun Games Illusions Mathematics ... Books Dr. Ecco's Cyberpuzzles: 36 Puzzles for Hackers and Other Mathematical Detectives , by Dennis Elliott Shasha The puzzles collected here require no formal background beyond arithmetic and elementary algebra.just lively curiosity and keen intelligence. With 36 illustrated cases organized around eight major mathematical themes (from "Combinatorial Geometry and Geography" to "Ciphers and Secrecy"), this book will encourage you to use your mind and your computer in ways you never previously imagined.

112. Funtestiq! Fun Tests And More! Amuse youself with quizzes, puzzles, riddles and other little games on personality, popular culture, literature, history, and math. http://www.funtestiq.com

Have fun with quizzes, puzzles, riddles, polls and other little games on personality, pop culture, literature, history, math, whatnot... Do you feel lucky today? Home Cash Games ... Tell Friends This website is best viewed with Internet Explorer. Funtestiq Personality Funtestiq Riddles What tree do we offer friends when meeting? Got Good Instinct? In What Order? Cash Games: Solitaire, Free Cell, Chess, Checkers... Win. ... Pictures There's a hair-style named after her, and once upon a time her influence could move a whole kingdom. Funtestiq Tricks n' Game "Towers of Hanoi" Funtestiq ... Puzzles Soup Justice Three cons were locked in the same prinson cell. They must find a way to share food that is acceptable to all of them. Can you help? Funtestiq Pop Polls If one day you woke up to find yourself back to the earlier years of your life, which of the following stage of your life would you rather be in?

113. Jon Basden's Web Site Percent Problems (4); Rate Problems (4); Toothpick puzzles (11). Problem of the Day Archives The links below are problems that were used in math classes at http://www.highland.madison.k12.il.us/jbasden/problems/

Math Problems Math Problems by Category The links below are to pages that contain problems that are original, modifications of existing problems, or submitted by Highland Middle School students. Fraction Problems Geometry Problems Logic and Number Sense Problems Percent Problems ... Toothpick Puzzles Problem of the Day Archives The links below are problems that were used in math classes at Highland Middle School from during the 1997-2000 school years. Most of the problems are not original, and efforts have been made to cite their sources where known. If you recognize a problem that is not cited or not properly cited and the problem is yours, or if you know the source, please send an email to jbasden@mac.com , and the correction will be made promptly. 1999-2000 Problems of the Day 1998-1999 Problems of the Day 1997-1998 Problems of the Day Jon Basden - jbasden@mac.com document.write(document.URL); Highland High School Friday, March 15, 2002 11:19 AM Home: http://www.highland.madison.k12.il.us/jbasden

114. 10ticks Math Worksheets, Games And Helps Online. Supporting The National Numerac math worksheets for teachers, parents and pupils. Help pupils through the National Numeracy Strategy with 10ticks comprehensive help area, also featuring math games and puzzles. http://www.10ticks.co.uk

Click through to our student teacher or parent areas. You don't need to be a registered user to visit us, but you get additional benefits such as our mathematics online help. If you are a registered user login below or register here User Name Password (Case Sensitive) Forgot Your Password? 10ticks.co.uk. Bolton Enterprise Centre, Washington Street, Bolton, BL3 5EY E-mail: info@10ticks.co.uk Telephone: +44 (0) 1204 405341 Mon-Friday (9.30am - 4.30pm) No credit card orders taken over the phone. Bookmark 10ticks Link to us 10ticks.co.uk is the trading name and Registered trade mark of Fisher Educational Ltd. Registered in England No. 3668099 10ticks authors of National Numeracy Strategy compliant maths photocopiable worksheets for schools pupils and parents. Your mathematics textbook on CD-Rom, your helps online, your education. Private tuition adverts for you. Place a private tuition advert as a tutor or parent and let our website work for you. Site design by Transparence.

115. Math Magic Devoted to original mathematical recreations with puzzles and links. http://www.stetson.edu/~efriedma/mathmagic/

Math Magic is a web site devoted to original mathematical recreations. If you have a math puzzle, discovery, or observation, please e-mail me about it. You can also send answers to the problem of the month. Problem of the Month Archive Problem of the Month (June 2004) This month we investigate the question "What is the smallest rectangle with aspect ratio r that contains n congruent rectangles with aspect ratio r?" In other words, for positive integers n, and r 1, we define m n (r) to be the minimum value of m so that an m x mr rectangle contains n non-overlapping non-tilted 1 x r rectangles. Clearly if n is a perfect square, then m n (r) = n with no wasted space. What are the values of m n (r) for non-square values of n? For example, there are 3 cases for m (r): r r r m (r) = 2 m (r) = r m (r) = 2 / r A much harder question is to find M n (r) , the smallest value of m so that so that an m x mr rectangle contains n non-overlapping 1 x r rectangles that might be tilted. For example, when r > 1.9762, M (r) < m (r): What are the values of M n (r) for small values of n?

116. Mathematical Curiosities A tribute to the lighter side of math including puzzles, humor, trivia, quotes, inspirations, and math links. http://home.earthlink.net/~jennrasm/jennifer_math.htm

Curious Numbers A Tribute to the Lighter Side of Mathematics NOTE: No math knowledge is required to enjoy this page! "A mind once stretched by a new idea never regains its original dimensions." Anonymous Are You Curious? Did you know? Humor Quotes and Inspirations Mathematical Playground ... Fun Math-Related Links Lots of NEW Links! Curiosity Counts! Home Garden Beadwork Inspirations user ="jennrasm" domain ="earthlink.net" subCon ="Re: Jenn's website" document.write('Email'); Sign My Guestbook var sc_project=258235;

117. Coolmath4kids - An Amusement Park Of Math And More Designed Especially For Fun! math games, problems, calculators, puzzles, and fun and for all levels. http://www.coolmath4kids.com/

An amusement park of math and more especially designed for FUN FUN FUN HELP SUPPORT COOLMATH link to us make a donation sponsorships text link advertising ... ScienceMonster.com Thanks for visiting Coolmath4kids!

118. HTML Redirection To Kid Crosswords And Other Puzzles Please wait while you are redirected to the home page or click here www.kidcrosswords.com. http://www.kidcrosswords.com/catalog/math.htm

Please wait while you are redirected to the home page or click here www.kidcrosswords.com

119. The Contest Center - Classic Riddles Classic puzzles and riddles requiring only simple logic and elementary math. http://www.contestcen.com/classic.htm

Classic puzzles and riddles requiring only simple logic W I N I O N O W Classic Riddles The Contest Center 59 DeGarmo Hills Road Wappingers Falls, NY 12590 W I N I O N O W Like this site? Please tell a friend Please sign our Guestbook These puzzles require only simple logic and elementary math. We will list the names of anyone who solves the problems marked with a *. Two Trains Trains travel from Foodletown to Myerville all day, always on the same track, always going nonstop and at the same speed. The noon train took 80 minutes to complete the trip, but the 4 PM train took an hour and 20 minutes. Why? Answer There is a cask of wine, and a larger barrel of water. I take a dipper of wine and add it to the water. Then I take a dipper of the water/wine mixture and pour it back into the wine barrel. Is there now more wine in the water, or more water in the wine? Answer Flags The great square fortress Fua stands on the level Dal Mahir plain where the straight east-west and north-south roads meet. Along the tops of the outer fortress walls there are flags on short flagpoles, such that a traveler approaching the fortress from any direction sees 3 flags. (It is not possible to see a flag which is not on a wall that you are facing directly.) How many flags are there altogether? You should give the smallest number possible.

120. DoYourMath: A Friendly Place To Practice Math, Prepare For SAT Or AP Calculus, T Interactive practice and learning tests, puzzles, recreations, a bookstore and homework assistance. http://www.doyourmath.com/

Interactive Practice Tests Pre-SAT SAT* AP* and Calculus SAT Test dates Check it out! DoYourMath.com recommends Books Meet the expert A math expert is here to answer to your questions Want some cool math? A bi-weekly section for all interested in mathematics. Puzzle Of the Week Includes puzzles and winners of previous week. Link Directory Links to various mathematical web pages, articles, academic research. Welcome to www.doyourmath.com where you can find everything about MATH from interactive SAT* math tests to amazing math puzzles $100 For A Problem. We are proud to present you the one hundred dollar problem sponsored by www.doyourmath.com Note: To receive the $100 prize you should be the first person to solve and send us the solution to the problem before July 31, 2005 (the solution should be mathematically correct) Click here: the $100 problem. Also, www.doyourmath.com links you to the greatest unsolved problems of 21-st century MATH with the reward of $1million for solving any of them. Announcements: New!

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