41. Schwob Library Mathematics Resources Tables and Constants, Graphers and Calculators, recreational math and Stumpers and recreational math Problems. Brainbasher s Brain Teasers and Puzzles http://library.colstate.edu/resources/math.shtml

GALILEO GIL admissions distance learning ... student life Mathematics Resources Simon Schwob Memorial Library Here is a collection of math links for arithmetic, algebra, trigonometry, statistics, higher math, history of math, and even recreational and practical math. There are also links to tables and pages with problems designed to stump and challenge. Some sites require plug-ins and Java. If you find any dead links, pages that don't load, or sites that have changed address, or if you have any suggestions for pages to include, please email me. Eileen H. Kramer 2/2/04 Table of Contents Elementary and Middle School Math Algebra and Related Subjects Statistics Calculus ... History, Philosophy, and Aesthetics of Math Other Places to Go Subject Guides Ask a Librarian GALILEO Databases GIL ... Columbus State University Elementary and Middle School Mathematics A+ Math "This web site was developed to help students improve their math skills interactively. " Problems cover extremely basic arithmetic and mathematical games, and include work sheets and flash cards. Topics include: addition, subtraction, multiplication, division, money problems, decimals, percentages, and fractions. Ask Dr. Math (Middle School Level)

42. Recreational Math recreational math. This page is dedicated to mathematical amusements of all sorts, and to problems I find that are intriguing because they seem http://lamar.colostate.edu/~sbenoit/recreation.html

Recreational Math This page is dedicated to mathematical amusements of all sorts, and to problems I find that are intriguing because they seem counter-intuitive or have an unexpected solution. For example: Old Boniface he took his cheer, Then he drilled a hole through a solid sphere - Clear through the center, straight and strong. And the hole was just six inches long. Now, tell us when the end was gained What volume of the sphere remained? It sounds like we haven't told enough, But that's all you need - and it isn't tough! From "The Surprise Attack in Mathematical Problems", L.A. Graham See my solution The Math Puzzler The puzzler works like this: There is a math question posted below for you to puzzle over. When you have an answer, send it to me in an email. If your answer is right, I'll send you back a code to let you access the next puzzler in the series. I'll keep extending the series of puzzles as I find or invent new ones, but I'll maintain a list of people who have solved any puzzles, and post a "hall of fame" for those who have solved the most. Puzzler #1 Prove that + ... + n

43. Historia Matematica Mailing List Archive: [HM] Queries On Russian Sources In Rec HM Queries on Russian Sources in recreational math. Other mathhistory-related articles by DS. CHRONOLOGY OF recreational mathEMATICS http://sunsite.utk.edu/math_archives/.http/hypermail/historia/apr99/0136.html

[HM] Queries on Russian Sources in Recreational Math. Antreas P. Hatzipolakis xpolakis@otenet.gr Tue, 20 Apr 1999 15:32:26 -0300 (GMT+3) Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Next message: vkatz@udc.edu: "[HM] Mathematical physics and my book" Previous message: Romulo Lins: "[HM] Methodology in Historical Research" Following is an article by Prof. David Singmaster. It is long, but interesting! Other math-history-related articles by DS: CHRONOLOGY OF RECREATIONAL MATHEMATICS http://anduin.eldar.org/~problemi/singmast/recchron.html QUERIES ON "SOURCES IN RECREATIONAL MATHEMATICS" http://anduin.eldar.org/~problemi/singmast/queries.html QUERIES ON ORIENTAL SOURCES IN RECREATIONAL MATHEMATICS http://anduin.eldar.org/~problemi/singmast/chinarec.html QUERIES ON MIDDLE-EASTERN SOURCES IN RECREATIONAL MATHEMATICS http://anduin.eldar.org/~problemi/singmast/mideastr.html THE UNREASONABLE UTILITY OF RECREATIONAL MATHEMATICS http://anduin.eldar.org/~problemi/singmast/ecmutil.html LIST OF AVAILABLE MATERIAL http://anduin.eldar.org/~problemi/singmast/material.html

44. Experts@Dal 1 Faculty member(s) matching topic recreational math . Nowakowski, Richard J. Professor - Mathematics Statistics Dr. Nowakowski has years of http://experts.dal.ca/topicsearch2.cfm?keyword=Recreational Math

45. Recreational Math Workshop Participants will work in small groups to prepare recreational math Units suitable to their grade level. They would then present the units to the class of http://marauder.millersville.edu/~kkittapp/workshop.html

Recreational Mathematics Workshop In the Summer, I offer a hands-on workshop on Recreational Mathematics for the Classroom (EDW 526). The workshop is intended for teachers of Grades 1-12. Participants will work in small groups to prepare Recreational Math Units suitable to their grade level. They would then present the units to the class of workshop participants. Participants will be given necessary guidance to prepare the Units. Each participant will also make one individual presentation on a recreational math topic of his/her choice. Topics are drawn from arithmetic, geometry, statistics, etc. They include mathematical magic tricks (with numbers, geometrical figures, ropes, etc), construction of geometrical figures, mathematical games and so on. Kit Kittappa's Page Math Department Page Millersville University Page

46. Cube Lovers: Recreational Math up Subject recreational math. BOOKS Singmaster is editing a series of books for Oxford University Press on Recrreational Mathematics and is requesting http://www.math.rwth-aachen.de/~Martin.Schoenert/Cube-Lovers/Peter_Beck__recreat

Date: Tue, 20 Jan 87 14:47:00 -0500 (EST) From: Peter Beck beck@clstr1.decnet Subject: recreational math BOOKS: Singmaster is editing a series of books for Oxford University Press on Recrreational Mathematics and is requesting input on the following: 1) " I (Singmaster) have embarked on a project to find the sources of classical problems in recreational mathematics. ..... The initial object of this project was to produce a book of sources, translated into english with annotation, for .... However, it now appears that the first stage must be the prpearation of an annotated bibliography of the material. ... draft of paper which outlines the project and some of the material is available. I would be delighted to hear from anyone interested in this project, particularly anyone able to provide info." 2) "I am also compiling a list of mathematical monuments and have a draft article on this." ADDRESS; DAVID SINGMASTER, POLYTECHNIC OF THE SOUTH BANK, LONDON, SE1 OAA, UK

47. Math Digest The line between recreational math and serious math is a blurry one. Math is considered recreational if it has a playful aspect that can be understood and http://www.ams.org/mathmedia/mathdigest/199811-rec-math.html

Mathematical Digest Short Summaries of Articles about Mathematics in the Popular Press "A Quarter Century of Recreational Mathematics," by Martin Gardner. Scientific American , August 1998. The line between recreational math and serious math is a blurry one. Math is considered recreational if it has a playful aspect that can be understood and appreciated by nonmathematicians. At times, these types of problems generate simple and elegant solutions, but they can also lead to mind-bending paradoxes, bewildering magic tricks, and topological curiousities such as Mobius bands and Klein bottles. It is in this world that Martin Gardner lives. From 1956 to 1981, he wrote Scientific American's column "Mathematical Games." He took no math courses in college, but as a journalist who loves math, he has been able to coax interesting problems out of professional mathematicians. Early on he worked with Solomon Golomb, who studied polyominoes, shapes formed by joining identical squares along their edges (the domino being a simple example). In 1977, MIT's Ronald Rivest allowed Gardner to be the first to reveal the "public-key" cipher system that Rivest invented. At times, seemingly purely recreational problems have turned serious. Magic squares, arrangements of numbers that add up to the same number in every row, column, or diagonal, have always been a popular part of recreational math. Extending this idea, retired railroad clerk Clifford Adams devised a magic hexagon. After receiving it in the mail, Gardner passed it on to mathematician Charles Trigg, who proved that Adams' elegant pattern was the only possible magic hexagon of any size.

48. Mathematics Of Computation Factorial and primorial primes, J. recreational math. 193 (1987), 197203. 14. -, A new primorial prime, J. recreational math. 214 (1989), 276. http://www.ams.org/mcom/2002-71-237/S0025-5718-01-01315-1/home.html

Journals Home Search Author Info Subscribe ... Help ISSN 1088-6842(e) ISSN 0025-5718(p) Previous issue Table of contents Next issue Articles in press ... All issues On the primality of and Author(s): Chris K. Caldwell; Yves Gallot. Journal: Math. Comp. MSC (2000): Primary 11A41; Secondary 11N05, 11A51 Posted: May 11, 2001 Retrieve article in: PDF DVI TeX PostScript ... Additional information Abstract: For each prime , let be the product of the primes less than or equal to . We have greatly extended the range for which the primality of and are known and have found two new primes of the first form ( ) and one of the second ( ). We supply heuristic estimates on the expected number of such primes and compare these estimates to the number actually found. References: E. Bach and J. Shallit, Algorithmic number theory , Foundations of Computing, vol. I: Efficient Algorithms, The MIT Press, 1996. MR D. Bailey

49. Interesting Lessons Magic Squares, recreational math, problem solving. Can you make a 4cell x 4-cell magic square, in which each of the numbers is a multiple of 5, http://www.mathmojo.com/interestinglessons/interestinglessons.html

Math Mojo Making Math Meaningful return to Math Mojo home page Math Mojo Homepage What is Math Mojo? The Math Mojo Manifesto Learn Basic Math with Math Mojo ... Classic Puzzles Why do we need Logic? Why don't Schools Teach this? Glossary of Basic Math Terms Booklets/Downloads Great Math Books Free Math Mojo Newsletter Abacus lessons Introducing the Abacus The Abax: Introducing the Abax Counting on the Abax: Lesson 1 Lesson 2 Test Addition on the Abax: Lesson 1 Lesson 3 Subtraction on the Abax: Lesson 1 Lesson 2 Lesson 3 History of the Abacus (not operational yet) Related Lessons Regrouping and Carrying Tens Complements Commutative Law of Addition Order of columns in Subtraction ... Privacy Statement Who Made this Site, Anyway? Contact Math Mojo Return to Previous Page Interesting Lessons and Frequently Asked Questions about Math New Lesson Introduction to Exponents (Powers) related question and thoughts about learning math (put up July 12, 2004)

50. Recreational Mathematics Topics By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics. http://www.uwgb.edu/dutchs/RECMATH/recmath.htm

Recreational Mathematics Topics Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay First-time Visitors: Please visit . Use "Back" to return here. Index: Symmetry, Crystals, Polyhedra and Tilings Power Page. Pythagorean triplets and other things about sums of powers. Geometry Classics Return to Professor Dutch's home page. Created 30 Dec 1996, Last Update 17 May 2005 Not an Official UW-Green Bay Site

51. [Tutor] A Recreational Math Problem For Useless Python Tutor A recreational math problem for Useless Python. Danny Yoo dyoo@hkn.eecs.berkeley.edu Sun, 12 Aug 2001 181901 0700 (PDT) http://mail.python.org/pipermail/tutor/2001-August/007973.html

[Tutor] A recreational math problem for Useless Python Danny Yoo dyoo@hkn.eecs.berkeley.edu Sun, 12 Aug 2001 18:19:01 -0700 (PDT) Previous message: [Tutor] Re: Tutor digest, Vol 1 #1015 - 1 msg Next message: [Tutor] A recreational math problem for Useless Python Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Previous message: [Tutor] Re: Tutor digest, Vol 1 #1015 - 1 msg Next message: [Tutor] A recreational math problem for Useless Python Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

52. [Tutor] A Recreational Math Problem For Useless Python Tutor A recreational math problem for Useless Python. Rob Andrews rob@jam.rr.com Mon, 13 Aug 2001 080851 0500. Previous message Tutor A recreational http://mail.python.org/pipermail/tutor/2001-August/007981.html

[Tutor] A recreational math problem for Useless Python Rob Andrews rob@jam.rr.com Mon, 13 Aug 2001 08:08:51 -0500 Previous message: [Tutor] A recreational math problem for Useless Python Next message: [Tutor] source code Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Hiya everyone, I've been glancing at Donald Knuth's neat "Selected Papers on Computer Science" and ran across an interesting problem that he presents. It sounds like a lot of fun, and perhaps someone might be interested in trying their hand at it. Here's the challenge problem (any mispelings are due to frantic typing): """ "The numbers sqrt(1), sqrt(2), ..., sqrt(50) are to be partitioned into two parts whose sum is nearly equal; find the best such partition you can, using less than 10 seconds of computer time."" For example, it turns out to be possible to find the best partition of the smaller set of numbers [sqrt(1), sqrt(2), ... sqrt(30)] after only about one second of computer time; the answer is: sqrt(2) + sqrt(6) + sqrt(9) + sqrt(11) + sqrt(12) + sqrt(13) + sqrt(14) + sqrt(21) + sqrt(23) + sqrt(24) + sqrt(25) + sqrt(26) + sqrt(27) + sqrt(30) is approximately equal to and: sqrt(1) + sqrt(3) + sqrt(4) + sqrt(5) + sqrt(7) + sqrt(8) + sqrt(10) + sqrt(15) + sqrt(16) + sqrt(17) + sqrt(18) + sqrt(19) + sqrt(20) + sqrt(22) + sqrt(28) + sqrt(29) is approximately equal to Note that the two sums agree to nine significant digits. The problem with

53. Reference Database for number theory applications, J. recreational math., 18 (198586) 81-86. Dubner86 H. Dubner, Generalized Fermat primes, J. recreational math., http://primes.utm.edu/references/refs.cgi?author=Dubner

54. Reference Database 331, J. recreational math., 214 (1989) 299304. Caldwell90 C. Caldwell, The near repdigit primes AnB, ABn, and UBASIC, J. recreational math., http://primes.utm.edu/references/refs.cgi?author=Caldwell

55. Math Magic One of the bestknown recreational math puzzles of all time is finding a knight tour of all 64 squares on a 8×8 chessboard http://www.stetson.edu/~efriedma/mathmagic/

Problem of the Month Archive 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 (September 2005) This month we consider 4 problems concerning squares. 1. Square Chain Tilings We say a tiling of a square by integer-sided squares is a square chain tiling if every square of side s>1 shares part of a side with a square of s-1. For each n, we are interested in finding the square chain tiling of a square of side n using the fewest number of squares. For example, the best known tilings for small squares are given below: Can you improve these tilings? What are the minimal square chain tilings for larger squares? In particular, what is the fewest number of squares you can find for a chain tiling of a square of side 100? What are the best chain tilings of rectangles by squares? How about equilateral triangle chain tilings? 2. Square Bridges

56. SCIENCES Professor Liberi S Math Sites Also included are over 50 links (such as, Ask Dr. Math, Curious and Useful Math, Math Database, recreational math journals and Problem Columns, http://www.sunywcc.edu/library/weblinks/sciences/liberi.htm

57. CHRONOLOGY OF RECREATIONAL MATHEMATICS By David Singmaster 1935 PremiŠre CongrŠs International des R?cr?ations Math?matiques in Brussels. 195578 Schaaf A Bibliography of recreational mathematics, 4 vols. http://anduin.eldar.org/~problemi/singmast/recchron.html

Computing, Information Systems and Mathematics 87 Rodenhurst Road South Bank University London, SW4 8AF, England London, SE1 0AA, England Tel/fax: 0181-674 3676 Tel: 0171-815 7411 Fax: 0171-815 7499 E-mail: ZINGMAST@VAX.SBU.AC.UK CHRONOLOGY OF RECREATIONAL MATHEMATICS by David Singmaster last Web revision:December 22, 1998 Mario Velucchi's Web Index visitors since Dec. 22, 1998 Web page processed by Web Master - Mario Velucchi velucchi@bigfoot.com Mario Velucchi / Via Emilia, 106 / I-56121 Pisa - Italy Receive email when this page changes Click Here Powered by Netmind Resources provided by Brad Spencer

58. PUBLICATIONS Of David Singmaster J. recreational math. Hamiltonian circuits on regular polyhedra comments J. recreational math. Proposals for DNB entries for WWR Ball and H. Phillips. http://anduin.eldar.org/~problemi/singmast/pubchron.html

Computing, Information Systems and Mathematics 87 Rodenhurst Road South Bank University London, SW4 8AF, England London, SE1 0AA, England Tel/fax: 0181-674 3676 Tel: 0171-815 7411 Fax: 0171-815 7499 E-mail: ZINGMAST@VAX.SBU.AC.UK PUBLICATIONS of David Singmaster last Web revision:December 22, 1998 Mario Velucchi's Web Index visitors since Dec. 22, 1998 Web page processed by Web Master - Mario Velucchi velucchi@bigfoot.com Mario Velucchi / Via Emilia, 106 / I-56121 Pisa - Italy Receive email when this page changes Click Here Powered by Netmind Resources provided by Brad Spencer

59. Purplemath - Your Algebra Resource You won t find math jokes or recreational math sites here. Instead, check this listing for sites containing graph paper, calculator help, worksheets, http://www.purplemath.com/

Internal tracking; Do not follow Purplemath – Your Algebra Resource For Purplemath on CD for your home computer, look here School site licensing available About Purplemath About the author Contact Us Paid tutoring through Purplemath Having trouble printing Purplemath POB 8584 Mesa AZ 85214-8584 USA Need help with algebra? You've found the right place! Lessons: "How do you really do this stuff?" Purplemath's algebra lessons are written with the student in mind. These lessons emphasize the practicalities rather than the technicalities, demonstrating dependable techniques, warning of likely "trick" questions, and pointing out common mistakes. The lessons are cross-referenced to help you find related material. Internet listings: "Yes, Virginia; there really are some good algebra sites." Tired of looking through page after page of search-engine hits trying to find a site that might have something useful? These categorized Internet links have all been reviewed by Purplemath. Only those sites with something immediately useful (and free) for algebra students are listed. You won't find math jokes or recreational math sites here. Instead, check this listing for sites containing graph paper, calculator help, worksheets, articles on "how math is used in real life", and more. Homework Guidelines: "How to suck up to your teacher."

60. The Puzzle Page - Daily Puzzles, Brain Teasers, Logic Problems, And More By Erik Movie Quotes 1 Old Meets New in Reverse (added Jun-24-2004) Oprowon Lumgalm. Games and recreational math. Finding Square Roots http://www.geocities.com/oosterwal/puzzle.htm

The Puzzle Page by Erik Oosterwal Here are a number of puzzles that I have collected or created over the years. The idea is to add at least 2 new puzzles each week. Bookmark this page and visit it often. The type of puzzles and brain teasers listed here are broken down by type of puzzle. If you would like to see more of a certain type of puzzle, send a request to the e-mail address listed on the Home page. Also, if you have a favorite puzzle that you don't see here, send me a copy and I'll try to get a solution added to this page. Mathematics Barrels Full of Pellets The Disappearing Tile Going to St. Ives How Old Are They Now? ... Who Gets Paid the Most? Logic Tables The Dinner Party Hunters and Cabins International Neighborhood The Joker ... Who Owns the Fish? Logic Puzzles A Cabbage, a Goat, and a Tiger A Small Town Affair AIDS and HIV Behind the Green Door ... Victorian Boat Ride Crossword/Crossnumber Dropdown Puzzle #1 (added Jun 17, 2004) Just a Nybble Little Pigsby Farm A Simple Crossnumber Puzzle Wordplay Fathers and Sons Fish and Chips Had Had Had New Door ... We Eat What We Can (added Jun-21-2004) What's the Word?

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