61. ENC Online: ENC Features: Classroom Calendar: Math Puzzles (Grades K-12) Bring in a variety of puzzles, including math puzzles, puzzles that ask players to Have groups of students design math puzzles, trade their puzzles with http://www.enc.org/features/calendar/unit/0,1819,20,00.shtm

Skip Navigation You Are Here ENC Home ENC Features Classroom Calendar Search the Site More Options Don't lose access to ENC's web site! Beginning in August, goENC.com will showcase the best of ENC Online combined with useful new tools to save you time. Take action todaypurchase a school subscription through goENC.com Classroom Calendar By Category By Month ... Ask ENC Explore online lesson plans, student activities, and teacher learning tools. Find detailed information about thousands of materials for K-12 math and science. Read articles about inquiry, equity, and other key topics for educators and parents. Create your learning plan, read the standards, and find tips for getting grants. Math Puzzles (Grades K-12) November 21 Graphic: Andrew Ault National Game and Puzzle Week, November 20-26 Happy National Game and Puzzle Week! Celebrate the week by having students do some math-related puzzles. Although most of the puzzles here are for middle and high school students, there's something for everybody. Connections Puzzles provide a fun way for students to acquire and practice math skills such as problem solving, logic, recognizing patterns, and number sense. Here are a few ideas in celebration of puzzles:

62. Math Puzzles 5 Math Line Puzzles. 5 Math Line Puzzles feature five online puzzles, Math Problems Puzzles, for K12, is Math Forum s huge annotated index of math http://www.nuatc.org/resources/weblinks/math/puzzles.html

projects articles resources people about nua ... contact These pages has links to many sites related to math. If you have additions, corrections or further information please email NUA . Click here to return to the Weblinks Contents page . The pages are arranged by the following categories Ideas and Activities A - L Ideas and Activities M - Z Lessons Online Math Applications ... Return to Resources links checked 8/10/2004 Alvirne High School. Alvirne High School's in Hudson, N.H. calculus class invites you to join them in their preparation for the AP exam. The site contains Alvirne's and guest problems of the week, and archives for Alvirne, guest, and student problems with solutions. Included also are sample multiple choice AP calculus questions and solutions, student and teacher calculus resources on the Web, and general information about AP exam Brain Exerciser. Brain Exerciser offers a variety of math riddles from beginning to advanced levels for high school students and AP classes. Many of the puzzles include hints. 21st Century Problem Solving.

63. Math Puzzles Kids - Kids IS math puzzles Kids Articles. Board Games Puzzles Resources and picks for kids board games and puzzles. math puzzles Kids Directory Links http://kidsis.itopsites.com/math-puzzles-kids.html

kids kids Resources Add URL Residential Playground Equipment WillyGoat offers high quality pools, lawn equipment, and outdoor adventure products for all ages and abilities. Math Puzzles Kids Articles Resources and picks for kids' board games and puzzles....( Continue Reading Math Homework Help for Kids Help with math for your kids....( Continue Reading Archive - The Weekly Puzzle Tour #10 Weekly tour #10 for puzzle fans. Let your mouse do the walking and your brain do the puzzling....( Continue Reading Archive - The Puzzle Tour #10 Puzzle Tour #10 for puzzle fans. Let your mouse do the walking and your brain do the puzzling....( Continue Reading Archive - The Puzzle Tour #50 Puzzle Tour #50 for puzzle fans. Let your mouse do the walking and your brain do the puzzling....( Continue Reading Math Puzzles Kids Directory Links childrens hospital phoenix easton childrens museum kids hunting clothes kids halloween pictures ... kids bike trailer Popular Search Terms: Kids IS Kids IS All trademarks are the property of their respective owners. All Rights Reserved. This site is not related to Brajeshwar or Brajeshwar.com in anyway, shape or form

64. Math Puzzles An indepth look at everything available on the Internet for math teachers. TeAchnology.com by far the best resource on the Internet for all teachers. http://www.teach-nology.com/teachers/subject_matter/math/puzzles/

Curriculum Lesson Plans Organizers Rubrics ... AIMS Puzzle Corner - Provides teachers with a variety of interesting puzzles that can be used to create a learning environment where students engage in doing mathematics just for the fun of it. Brain Teasers - "Each Wednesday evening we will provide you with one new Brain Teaser for each of three grade ranges. Solutions will be posted on the following Wednesday." Colorful Mathematics - "A series of educational software that presents advanced mathematical concepts to K-12 students using a game-oriented approach." Fibonacci Numbers and the Golden section - Provides a pair of pages with plenty of playful problems to perflex the professional and the part-time puzzler! Interactive Mathematics Miscellany and Puzzles - "Interactive education. A lot of math information for teachers, students and parents." MathMagic!

65. Math Puzzles For Kids Recreational math puzzles for gifted secondary students. http://www.eklhad.net/funmath.html

Fun and Challenging Math Problems for the Young, and Young At Heart These problems are aimed at junior high and high school students with a flare for mathematics and logic. These are "real world" problems, rather than abstract riddles about sets or trigonometry etc. The questions should be accessible to a wide audience, even if the answers are not. When you find a question that interests you, it's tempting to just read the answer at the end of this web page, but please don't - that would spoil the fun. Instead, think about the problem in your spare time for a few days. Talk about it with your friends. Then, if you're really not getting anywhere, or you think you've got the answer, come back and read the answer. Educators might want to present the problem on Friday, let the students think about it over the weekend, and talk about it on Monday. A school has 1,000 students and 1,000 lockers, all in a row. They all start out closed. The first student walks down the line and opens each one. The second student closes the even numbered lockers. The third student approaches every third locker and changes its state. If it was open he closes it; if it was closed he opens it. The fourth student does the same to every fourth locker, and so on through 1,000 students. To illustrate, the tenth locker is opened by the first student, closed by the second, reopened by the fifth, and then closed by the tenth. All the other students pass by the tenth locker, so it winds up being closed. How many lockers are open?

66. Education World ® Lesson Planning: Operation: Math -- A Year Of Puzzles Following are 36 Operation math puzzles. Each puzzle includes four equations All the Year of Operation Math Puzzles require students to use the four http://www.educationworld.com/a_lesson/04/lp336-02b.shtml

Operation: Math A Year of Puzzles Return to the Operation: Math lesson Return to the A Puzzle A Day Provides Practice That Pays article Following are 36 Operation Math puzzles. Each puzzle includes four equations for students to solve. Write on a chalkboard or chart the four equations in the left column below the ones with asterisks (*) in place of the math operation signs (+, -, x, or /). Students study the equations and determine which math operations must be performed to arrive at the solution stated for each equation. For example: The correct answer is (4 The equation stated in its simplest terms: 5 - 4 = 1 Adapting "Operation: Math" for Your Grade Level All the Year of "Operation: Math" Puzzles require students to use the four math operations addition, subtraction, multiplication, and division. Because they involve all four operations, they are probably best used with students in grades 4 and above. Teachers in grades 1 to 3 can easily adapt this activity by using only simple addition and subtraction operations. For example, first and second graders can solve the following simple equations: PROBLEMS SOLUTIONS Second and third graders might solve the following simple equations: PROBLEMS SOLUTIONS Teachers in upper grades can adapt the activity to include negative integers, fractions, decimals or other math concepts they might be teaching.

67. ReferenceResources:MathandMathHelp math puzzles Weekly math puzzles with solutions discussed at length each I Know That Fun and interactive approach to learning math; puzzles and games http://www.kidinfo.com/Mathematics/Mathematics.html

Reference Resources: Mathematics Math Dictionary for Kids Math Dictionary An animated dictionary that explains over 400 math terms. Included are interactive activities, practice, and calculators Brain Teasers / Problem Solving/ Activities Brain Teasers Improve your problem solving skills with these brain teasers grade levels 3, 5-6, 7+ Brain Teasers and Puzzle Web Page Hundreds of brainteasers CyberKids Brain Teasers Graphic puzzles, memory games, word puzzles Interactive Mathematics Miscellany and Puzzles, Games Page A site devoted to mathematics, games, and puzzles Math Puzzles Weekly math puzzles with solutions discussed at length each following week;examples of past puzzles include: Chaos Tiles, Dissecting Convex Figures, Domino Games, Eternity Puzzle, Fair Dice, Diamonds, Leapers, Multistate Mazes, Parity, Pentagon Tiling, Philosopher Logic, Phonetic Alphabet and Word Play Geometry A Gallery of Interactive On-Line Geometry The activities will help you get a "hands-on" feel for some of the fundamental principles of geometry. Try them all to help understand theorems and proofs.

68. ThinkQuest : Library : Puzzles You will find math puzzles that puzzle your brain. Also, you will find sports player s stats. Games that improve your math skills will be found while you http://www.thinkquest.org/library/cat_show.html?cat_id=348

69. Perplexus.info :: Logic Puzzles, Brainteasers, Riddles And Math Tricks A forum and collection of brain teasers, logic problems, math problems, paradoxes, science games, probability, riddles, and geometric shapes. The puzzles http://perplexus.info/

All about flooble fun stuff Get a free chatterbox ... Avatars perplexus dot info Home Welcome to perplexus.info , flooble's perplexing puzzle portal. Here, we collect all sorts of puzzles, from simple logic questions and word tricks to in-depth math problems like probability and geometry. Click around and see if your brain is up to the task! If you're new here, make sure you sign up so that you can leave comments and submit your own problems! Categories All Problem Categories Latest: The reversed numbers (in Just Math Both a and b are four-digit numbers and one is obtained from the other by reversing the digits. Determine them, knowing that 2 * (a + b) = 5 * (b - 1) Show your reasoning. No Solution Yet, 6 Comments Submitted on 2005-09-16 by pcbouhid Bonus: School time (in Just Math Rating: 2.00 A boy leaves home in the morning to go to school. At the moment he leaves the house he looks at the clock in the mirror. The clock has no number indication and for this reason the boy makes a mistake in interpreting the time (mirror-image). Just assuming the clock must be out of order, the boy cycles to school, where he arrives after twenty minutes. At that moment the clock at school shows a time that is two and a half hours later than the time that the boy saw on the clock at home. At what time did he reach school?

70. Activities For Math Help : Arithmetic, Algebra, Word Problems Interactive activities and quizzes in basic arithmetic, algebra, and trigonometry. Also includes brain teasers and puzzles. http://www.syvum.com/math/

Syvum Home K-12 GMAT GRE ... Search this site document.writeln(''); SYVUM ESPAÑOL SYVUM BRAZIL Language Learning Trivia Contest ... More... Also try our: Subject Quizzes English Activities Brain Teasers Trivia Quiz ... US Quiz Algebra, Arithmetic, Word Problems, Trigonometry, Brain Teasers, Puzzles, IQ Tests Online Activities Kids Math SyvumBook Level I Addition Subtraction Multiplication ... Symbol Sequences Buy Our Software Read the reviews and awards that Syvum has won from BBC Online, ZDNet, Tucows, About.com, VNU Net etc. for its content and technology. - Kids Math SyvumBook I Math help for kids aged 6-7 years. - Kids Math SyvumBook II Math help for kids aged 8-9 years. - Kids Math SyvumBook III Math help for kids aged 9-10 years. - Kids Math SyvumBook IV Math help for kids aged 11-12 years. - Kids Word Problems SyvumBook I Math help for kids aged 6-7 years - Kids Word Problems SyvumBook II Math help for kids aged 8-9 years Syvum in other languages: Spanish / Español Portuguese / Português document.writeln(''); ES.Syvum.com in Spanish BR.Syvum.com

71. Interactive Mathematics Miscellany And Puzzles Features instructional games and puzzles based on a variety of math topics. Includes more serious articles about the language of math and related links. http://cut-the-knot.com/

Username: Password: Sites for teachers Sites for parents Awards Interactive Activities ... Sites for parents Interactive Mathematics Miscellany and Puzzles Raymond Smullyan, a Mathematician, Philosopher and author of several outstanding books of logical puzzles, tells, in one of his books, a revealing story. A friend invited him for dinner. He told Smullyan that his teenage son was crazy about Smullyan's books and could not wait to meet him. The friend warned Smullyan not to mention that he is a Mathematician and that Logic is a part of Mathematics because the young fellow hated Mathematics. Having told this story, would it be wise to announce up front what this site is about? Perhaps against a better judgement, I've put together a manifesto that aims to explain the purpose of this site. Did you know that... The banner is clickable Arithmetic Base Conversion Divisibility Criteria Euclid's Game Fast Arithmetic Tips ... And much much more ... Logic Lewis Carroll's Logic Game Venn Diagrams And more ... Color Cycling on Mandelbrot ... And more ... Fallacies Curry's Paradox Delian Problem Solved A Faulty Dissection Langman's Paradox ... Rouse Ball's Fallacy Calculus Equations of the Straight Line Function, Derivative and Integral

72. Interactive Mathematics Activities Interactive java puzzles and activities in different mathematical topics. http://www.cut-the-knot.org/Curriculum/index.shtml#magic

Username: Password: Sites for teachers Sites for parents Awards Interactive Activities ... Sites for parents Interactive Mathematics Activities Memory and Matching Match answers Memory - Easy Memory - Medium Memory - Hard Arithmetic 2 Pails Puzzle 3 Jugs Puzzle 3 Jugs Puzzle in Barycentric Coordinates Abacus in Various Number Systems ... Two Simple Equations Algebra Binary Color Device Breaking Chocolate Bars Candy Game: Integer Iterations on a Circle Chebyshev polynomials ... Heads and Tails counting, invariance Identities in the Multiplication Table Integer Iterations on a Circle II superposition principle Integers and Rectangles Integers and Rectangles: a Proof by Induction Integers and Rectangles: Two Simple Proofs Interest Calculations ... Merlin's Magic Squares modular arithmetic, boolean and linear algebra Minimax Principle Minimax Theorem Modular Arithmetic Parrondo Paradox Via Simpson Paradox ... Plus or Minus parity, invariance PolygonalNumbers Proizvolov's Identity Pythagorean Triples Rectangle on a Chessboard ... Squares and Circles parity, invariance Squares, Circles, and Triangles

73. Logicville Educational puzzles, brain teasers, mathematical recreations and word games. A resource for anagrams, cryptograms, alphametics, word puzzles, logic problems, doublets, tangrams, chess, and math quizzes. http://www.logicville.com/

L O G I C V I L L E PUZZLE CATEGORIES: Mathematical Logic Cryptarithms Anagrams ... Word Puzzles, Mathematical Recreations, Anagrams, Cryptograms, Doublets, Tangrams, Cryptarithms, Chess, and many more... Press control-D to bookmark this web site. VIEWER'S FAVORITES Puzzle 19 Liarsville Puzzle 29 The Three Knights ... Travellers Selected Puzzle SHUTOUT Bill was the lead-off man, batting first on his team's line up, during a regular nine-inning baseball game. He went to the plate to bat every inning, and had five hits during the game. Furthermore, his team loaded the bases every inning. How was it that at the end of the game, they were shutout and did not score any runs in all of those innings. Provide a scenario how this could have happened. Logic Puzzles TRY THESE SPECIAL PUZZLE SERIES: DUAL CRYPTOGRAM CHALLENGE TANGRAM CHALLENGE CRYPTOGRAM CHALLENGE I CRYPTOGRAM CHALLENGE II ... Bits of Mathematical Recreations Puzzle Categories: Mathematical Logic Anagrams Chess ... Tangrams Try our Doublet puzzles: BEAR BUSH CHAD GIVE ... Cryptogram Challenge II Which puzzle type interests you most?

74. Educational Software, Word Games, Language Games, Word Puzzles, Math Games, Math Educational games and puzzles including Windows titles 'MixedUp math', 'French Connections', 'Stack Mates', 'Cell Mates', 'Elimination', 'math Mates'. http://www.kprobe.com/

Click things to change them. (Open source Flash from www.levitated.net) It's all about numbers, words and letters - You might find them addictive! Product Description Ages Type Cost Click for Info On-Line Games A variety of on-line Flash games for home, school and entertainment. Includes Mixed-Up Math, French Connections, Mixed-Up Words, Current Events Word Search, CellMates. Play on-line right now. 4-Adult Variety Free Click here Mixed-Up Math Math reinforcement game. Reconstitute equations from misplaced numbers. 4-Adult Math, Logic Free Trial Quote Works Scrambled phrases game. Reconstitute phrases by elevating letters. Choose from thousands of quotations, proverbs, trivia, sayings, news headlines. 7-Adult Word, Logic Free Trial Word Games A miscellany of word games and puzzles for all ages and levels, some with voice feedback. Word Rotation, Stack Mates, French Connections, Cell Mates, Elevator Words, Word Worm, Quote Works. 6-Adult Word, Logic Free Trials Math Games A variety of mathematical games, some with voice feedback. Math Cards, Mixed-Up Math, Math Worm, Christmas Math. 4-Adult Math Free Trials Alarm Clocks Cellular Alarm Clocks and Talking News Headlines Alarm Clock 8-Adult Tool Free Trials Logic Puzzles A variety of logic puzzles, include Elimination, Quote Works, Word Rotation

75. Math.com Puzzles, Games, And Contests Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to http://www.math.com/students/puzzles/puzzleapps.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 Math isn't only about numbers - math skills are found in puzzles and games too. Take a look at this collection of games from all over the world. (Java required) Peg Solitaire Also known as a board game called Hi-Q Fiver A simple and surprisingly addictive puzzle. Hare and Hounds A 19th-century board game invented in France, also called The Military Game . It was popular among French army officers during and after the Franco-Prussian war. Tower of Hanoi The classic puzzle, a favorite of programmers and Buddhist monks. TacTix Created by the brilliant Danish inventor Piet Hein, TacTix is a variation of Nim, one of the oldest of mathematical games. Hex-7 An elegant game of strategy invented in the 1940's, Hex is no longer available commercially but has recently seen an increase in popularity.

76. Math.com Puzzles, Games, And Contests Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to 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)

77. Math Forum: K-12 Problems, Puzzles, Tips & Tricks Sets of math problems and puzzles, and computation tips and tricks to speed up your calculations. 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 400 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 rec.puzzles rec.puzzles An archive of questions and answers that may be of interest to puzzle enthusiasts Number Puzzles Math Line Puzzles Exploring Facts, Uncovering Connections Critical Thinking Puzzles Brain teasers from Michael DiSpezio's book Home The Math Library Quick Reference Search ... Help http://mathforum.org/

78. Problems, Word Games, Puzzles, Brainteasers, And Wordplay Solve math problems, brainteasers, word games and riddles. Featuring a selection of free puzzles to help develop problem solving and lateral thinking skills. http://www.theproblemsite.com/

Home Problem Solving Contact About ... The Problem Site Welcome to The Problem Site , a special problem solving site for both students and adults. This site hosts 'Problem Of the Week' and 'Problem of the Month' pages, maintained by educators, mathemeticians, puzzle enthusiasts, and others who care about students' ability to think critically. Please visit any of the pages listed below. You can stop in just to get the problems, or you can compete against others around the world by submitting solutions. To submit solutions, you must have cookies enabled in your browser. Have fun! Public Problem Pages At The Problem Site The Maine Page The Maine Page is designed to help high school students from the state of Maine prepare for the Maine Association of Math Leagues math competitions.( visit this page Doug's Brain Food Brainteasers, riddles, and word games can be found here. A well rounded knowledge of many subject areas will help you do well with this hodgepodge of puzzles! ( visit this page MathHS: Graeme's Problem of the Month This problem page contains high school level math problems updated monthly.( visit this page Mr. T's Calculus Problems

79. Math Forum: Suzanne Alejandre: Magic Squares Curriculum resources, student activities and explanations of puzzles. http://mathforum.org/alejandre/magic.square.html

A Math Forum Web Unit Suzanne Alejandre's Magic Squares Suzanne's Math Lessons Suzanne's Tessellation Lessons Magic squares received their name because there are so many relationships between the sums of the numbers filling the squares. Students often believe that "mathematics" was "written" by one person. In these pages you will find that the magic square mathematical game has existed throughout history and in many different parts of the world. Math is all around us and your mind will see it when you're ready! What is a Magic Square? Allan Adler defines and discusses some special properties of magic squares. Magic Squares - History, Mathematics, Geography Lo Shu Magic Square The Back of the Divine Tortoise Classroom Activity China - the country of Lo Shu ... GEOM ART RY - Ralph Martel Benjamin Franklin's 8x8 Magic Square The World of Benjamin Franklin - the Franklin Institute Classroom Activity Pennsylvania, U.S.A. - Benjamin Franklin's State ... Classroom Activity Where's the Math? - with Allan Adler Classroom activities: multiplying magic squares Constructing magic squares Defining the magic square; special properties ... Review: Squaring a magic square Mike Morton's Magic Square Java Applet Updated Magic Square Java Applet by Pavel Safronov and Michael McKelvey Dubi Kaufmann's Magic Square Puzzle H. B. Meyer's

80. AIMS Puzzle Corner Custom math and Science Custom ProblemSolving One-Day math The AIMS Puzzle Corner provides teachers with a variety of interesting puzzles that can http://www.aimsedu.org/Puzzle/

Activities Overview AIMS Activities DB AIMS Magazine Books ... Support Files Match ALL words Match ANY word What's New E-Newsletter Request Info Catalog (pdf) ... Help/Info AIMS Puzzle Corner The AIMS Puzzle Corner provides teachers with a variety of interesting puzzles that can be used to create a learning environment where students engage in doing mathematics just for the fun of it! With the proper encouragement and enthusiasm on the part of the teacher, students can learn to enjoy puzzles and the mathematics behind them. Note: Due to upcoming changes to our AIMS Magazine we are reevalutating how many puzzles we will be able to release this year. Solutions appear the month following the puzzle's introduction. Home Activities Workshops Science Core Curriculum ... Free Resources

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