21. Math Forum: K-12 Problems, Puzzles, Tips & Tricks Sets of math problems and puzzles, and computation tips and tricks to speedup your calculations. K12 math problems, puzzles, Tips Tricks. http://mathforum.org/k12/mathtips/

Student Center Teachers' Place Calculation Tips Problems ... Puzzles See also the Math Forum's Internet Mathematics Library list of math problems and puzzles on the Internet, and our Teacher2Teacher FAQ: Tricks for Learning Math. Download an archive for local viewing of the following tips and tricks: Mac or Windows Calculation Tips Doing Math in Your Head Beat the Calculator - BEATCALC! More than 370 mental calculation tricks from the BEATCALC mailing list Divisibility Rules for numbers 3-13 Why do these rules work? Multiplication Tips Hints for multiplying by 5, 9, and 11 Math Problems Russian Math Olympiads St. Petersburg, Russia 20 problems from the Palace of Youth Creativity Vologda, Russia 28 problems for grades 5-11 MathPro Online MathPro Online Reference to Mathematical Problems Math Puzzles Number Puzzles Math Line Puzzles Exploring Facts, Uncovering Connections Critical Thinking Puzzles Brain teasers from Michael DiSpezio's book Suggestion Box Home The Math Library Help Desk ... Search http://mathforum.org/ webmaster@mathforum.org

22. Some Problems And Puzzles Some problems and puzzles. Inspired by various math books. http://www.cs.uidaho.edu/~casey931/puzzle/

Some problems and puzzles Inspired by various math books Instant insanity Penrose rhombs Inspired by my friends Mike Fellows is the mathematical inspiration behind MegaMath. He doesn't think that knowing a lot of mathematics is a prerequisite for having fun with mathematics. He has an amazing ability to translate complex mathematical ideas into puzzles or games. The unusual and sometimes funny stories and images that he uses to do so (such as "the long rubbery arm of mathematics" serve to show how amusing he finds much of mathematics to be. All of the mathematical ideas in MegaMath are his. In addition, here are some of his other favorites

23. Puzzles And Problems http://xocxoc.home.att.net/math/puzzles.htm

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26. BOBCAT's Puzzle And Problem Links For 3rd - 5th Grade Students 3rd Grade 5th Grade Main Page math - puzzles and problems (3rd Grade- 5th Grade Level) K-12 math problems, puzzles, Tips Tricks http://www.ezlink.com/~edu/BPuzProb.htm

3rd Grade - 5th Grade Main Page Math - Puzzles and Problems (3rd Grade - 5th Grade Level) Good math lessons for students of all ages Brain Teasers Puzzles for students in grades 3-7 Word Problems for Kids Story problems and solutions 3rd Grade - 5th Grade Topic Map Kindergarten - 2nd Grade Middle School High School E-mail BOBCAT to give your comments, site suggestions, or error notes! Bobcat Home Page var go_mem="mgoblue1";

27. Puzzles. Crosswords and crossword variants, anagrams, doublets, trivia, riddles,chess problems, math puzzles, logic puzzles, wordsearch puzzles http://home.earthlink.net/~mlevitus/puzzles.html

Contenidos Series y Secuencias Geometric Puzzles Ecuaciones con Palabras ... Enlaces en Español Links in English • Puzzles and Problems • Puzzles on-line • Books • Software ... Últimas Modificaciones Puzzles • Tim's world of puzzles Site dedicated to the World Puzzle Championship. http://www.home.zonnet.nl/kostunix/ • Erich's Puzzle Palace Mirror Puzzles, Number Puzzles, Hex Loop Puzzles, Path Puzzles, Battleship Puzzles, Triangulation Puzzles, Grid Puzzles, Cris-Cross Puzzles, Chess-Num Puzzles, Weight Puzzles, Logic Puzzles, Equation Puzzles, Rolling Block Mazes, Square Puzzles, Numerical Jigsaw Puzzles, Distance Puzzles, Rectangle Puzzles, MathPuzzle.com Puzzles, Number Link Puzzles, Pentomino Puzzles http://www.stetson.edu/~efriedma/puzzle.html • Sloane's On-Line Encyclopedia of Integer Sequences The best and most comprehensive site about sequences in the web. http://www.research.att.com/~njas/sequences/ • Shack's Math Problems by By Michael Shackleford, A.S.A. Anyone with an appreciation of a good math problem should find something they like here, with problems ranging from basic math to differential equations. http://www.thewizardofodds.com/math/

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29. Education Planet Math,Math Activities,Puzzles And Problems Lesson Plans Category matches for 'puzzles and problems'. Home/math/math Activities puzzles andproblems (74). Fun math related puzzles and problems! Cool geometry stuff! http://www.educationplanet.com/search/Math/Math_Activities/Puzzles_and_Problems/

Apr. 09, 2003 12:33 PST Search top educational sites, lessons, supplies and more! Membership Log In User Name: Password: Education Planet - TelCom Services Teachers - Receive a second year of Lesson Planet for FREE! ... by choosing our Smart Saver Long Distance Program Top Sites this Week Science: Middle School Physical Science Resource Center Math: Project Interactive Social Science: America at War - Time for Kids Language Arts: International Children's Digital Library Project: Stay Safe Online Lesson Plan: Ready.gov from the Department of Homeland Security Top Sites Archives Educational News Schools Seek to Reassure in Wartime Special Education May Get Overhaul Make-A-Wish Foundation Helps Sick Student Go to College privacy Found websites and other resources for ' puzzles and problems. Lesson Plans Books Software Maps ... Videos Find 'puzzles and problems' books Supply Online Courses Category matches for: ' puzzles and problems Home/Math/Math Activities Puzzles and Problems (74) Home Math Math Activities ... Puzzles and Problems Web Sites (1-10 of 61): Interactive Mathematics Miscellany and Puzzles - Math site with puzzles, games, a math glossary, and more. Lots of math information for teachers, students and parents

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35. Math.com Puzzles, Games, And Contests (Alex Bogomolny). K12 problems and Puzzle Sites - Web sites with problems,challenges, and puzzles sorted by grade level and topic. (math Forum). http://www.math.com/students/puzzles.html

Home Teacher Parents Glossary ... Email this page to a friend More Games Peg Solitaire Fiver Hare and Hounds Tower of Hanoi ... Maze Generator Resources Cool Tools References Test Preparation Study Tips ... Wonders of Math Search Exercise Your Brain and Have Fun! Puzzles and Games Problem of the Week Speed Math, Math Magic, Mental Math Simulations ... Contests Puzzles and Games Math.com Online Puzzles - A collection of interactive online puzzles based on historic games. Online Rubik's Cube - Guaranteed to keep you online past bedtime! (Advanced Topic - Notes on the Math of Rubik's Cube Cut-the-Knot Interactive mathematics miscellany and puzzles. (Alex Bogomolny) K-12 Problems and Puzzle Sites - Web sites with problems, challenges, and puzzles sorted by grade level and topic. (Math Forum) The Amazing Mathematical Object Factory - Magic squares and more, with information and history. (Canada's SchoolNet) Famous Puzzles - Exercise your brain with problems that have kept people guessing for centuries! (Math Forum)

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37. Math Puzzles/problems problems And puzzles. Some puzzle! If you are too lazy to do the problemsyourself, you can read the notes and answers. math Problem Sites. http://www.podval.org/~sds/puzzles.html

Problems And Puzzles Some of these are very simple, some are not so simple, some are just jokes. (from Adam Wasserman) What is the degree of the highest exponent of K when you complete the operation: (K-A)(K-B)(K-C)...(K-Y)(K-Z) solution (from Ilya Sharapov) Prove that for any integer n the number [(2+sqrt(3)) n is odd. ( [x] is the integer part of x solution 2 kids, John and Jim, are running on an escalator (a moving stairway). John is running three times as fast as Jim, and by the time they are off the escalator, John has stepped on 75 stairs while Jim has stepped on 50 stairs. How many stairs does the escalator have? How is its speed related to the speed of the boys? Were they running with or against the escalator? solution Consider a sequence of n+1 integers a , a , ..., a n such that a k j . I.e., a is the number of zeros in the sequence, while a in the number of 20-ies in it. E.g., the sequence of length 4 satisfies the condition: these is only one zero there, so a , there are two ones, so a , there is one two, so a , and there are no threes, so a . Describe all such sequences. solution (from Bruno Haible Prove that for any positive integer n, the finite product

38. The Ultimate Puzzle Site! (puzzles, Riddles, And Quizzes: The Ultimate Puzzle An Basic puzzles (no mathematics) Harder Riddles (no mathematics) Logical and mathematicalpuzzles (little math) BrainTeasers Complex problems The 1 st Quiz http://puzzle.dse.nl/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 fellow dutch 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) L ogical and M athematical ... uzzles (little math) B rain- T easers ... uiz (testing your knowledge on extreme matters) T he nd Q ... uiz (testing your logical insight) B rain T ests ... xperiments (test your brain!) P uzzle J okes (more jokes are welcome!) T he puzzles are marked with stars ( ) denoting the degree of difficulty of the given puzzle. Our

39. Math - Karen's Puzzles And Problems! Fun math related puzzles and problems! Cool geometry stuff! Great for kids and adults!Teachers too! puzzles and problems. Bears and Fish (level any). http://members.aol.com/coolmath2/puzzles.htm

Puzzles and Problems Bears and Fish (level: any) Karen's Age? (level: prime numbers) Triangles (level: easy geometry) Things to check out! Other Sites to See! About Karen! What's New? ... Search Thanks for visiting Karen's Cool Math Site! Counter installed 12/7/97 (this page only) © 1997 CoolMath

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Home About Us Contacts Affiliates ... Checkout Dell Math Puzzles and Logic Problems - Buy it online now Great Gift Ideas! Puzzles that will raise your intellect and elevate your spirits. Dell Math Puzzles and Logic Problems subscription 6 issues Published: Bi-Monthly Cover Rate: $29.94 Our Rate: $19.97 Save 33% new renew More Info: We now accept Paypal Industry standards for starting new subscriptions: Weeklies 6-8 Weeks Monthlies 6-9 weeks Bi-Monthlies 8-12 weeks Renewals should be submitted at least 2 issues prior to expiration Select a topic Select a topic Aviation Boats Comics Children Collectibles Crafts Cultural Entertainment Enrichment Education Electronics Environmental Golf Horses History Home Building Regional Medical Men's Music News Non-English Parenting Photography Political Puzzles Recreation Religion Teen Travel Wholesale-Retail Women's Adult (18+ yrs) Alphabetic Listing If you like Dell Math Puzzles and Logic Problems, consider these as well: Pocket Crossword Puzzles Dell Crossword Puzzles Easy Fast N Fun Crosswords Dell Crossword Special ... Checkout Need any other suggestions, help, or advice or just have a quick question? Click here to check out our real-time helpdesk status.

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