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These pages has links to many sites related to math. If you have any corrections or additional information please email NUA. The pages are arranged by the following categories. Ideas and Activities A - L Ideas and Activities M - Z The MacTutor History of Mathematics Archive, provided by University of St Andrews in Scotland features a collection of more than 1,500 biographies of mathematicians, with snapshots arranged in alphabetical and chronological lists. This site, suitable for grades 6-12, also includes birthplace maps, history topics, an index to female mathematicians, and related Web resources. Harvey Heinz 's Magic Squares, Magic Stars & Other Patterns contains an extensive collection of `magic' number patterns, from the simple 3x3 square to the intricate five-in-one star for grades 7-12. The site includes other interesting patterns, such as narcissistic numbers and prime patterns. All the presentations are clearly illustrated and well explained. To find additional magic square resources, scroll to "Links to similar Web sites". Alan W. Grogono's provides extensive information about magic squares for grades 7-12. He illustrates methods for making the various magic squares, includes their history, and clearly explains the 'mystery' behind them. A magic square is square which all the cells in any row, column, or diagonal add up to the same amount. Other sites with magic square activities are and . Robert Simms' Map of All Triangles is an introduction to , as well as other math topics on the author's page. The site is suitable for students in grades 7-12. The Math Archives provides an annotated list of sites (POP Mathematics) to add more zest to your K-12 math program. The Math Archives provides a searchable database of hundreds of math sites sorted by topic. To find sites suitable for grades K-12, teachers can browse the following topics: , , , , , , , , and . Nancy Parham's subscription Math Courses Online are designed for students who want to learn basic math/pre algebra, algebra, geometry and data interpretation. The site offers free and a free for students in grades 7-12. Topics include addition, subtraction, multiplication, and division of fractions and integers, long division, and linear inequalities. Elias Saab provides a wide variety of interactive math drills for grades 2-12. Students can practice online basic facts, fractions, word problems, factoring, linear equations, and other math topics. The Japanese company, International Education Software (IES), provides online an amazing collection of over 175 interactive, animated Java applet programs that dynamically illustrate mathematical concepts for middle and high school students. The site, updated bimonthly, includes applets for geometry, trigonmetry, calculus, and for miscellaneous math topics. Dave Rusin's Mathematical Atlas is a comprehensive collection of short articles with related sites on various modern mathematics topics for grades 9-12. The site includes a topical , and a as well as a . Mathematically Correct addresses the concerns about the invasion of our schools by the New-New Math and the need to restore basic skills to math education. Another site critical of mathematics education in the United States is . Also, consider the following articles in the Phi Delta Kappa International magazine that advocate the need of math reforms: Thomas C. O'Brien's which explains why the back-to-basics approach has failed and Michael T. Battista's the which argues that teachers need more knowledge on how students learn mathematics. Mathematical Snippets feature short illustrated descriptions of notable math ideas for high school classes. Topics include the Pythagorean theorem, the Möbius strip, and counting to infinity. Also, from the Bellevue Community College in Washinton state, is the page which contains biographical sketches of famous mathematicians. Finland's Center for Scientific Computing (CSC) provides a collection of mathematical animations for the Klein bottle, cellular automata, hyperbolic geometry, quadratic functions, and other topics. The site is suitable for grades 8-12. Mathematicians' Anniversaries throughout the Year, part of MacTutor, features a yearly calendar where you can learn about the contributions of mathematicians who were born or died on any day of the year. The site is suitable for grades 7-12. Scott Williams' Mathematics of the African Diaspora features biographies and histories of contemporary twentieth century mathematicians of African descent, and a study of the history of mathematics in Africa. The site is suitable for grades 7-12. David Wilkins' Mathematicians of the Seventeenth and the Eighteenth Centuries, adapted from W. W. Rouse Ball's A Short Account of the History of Mathematics, contains a collection of biographical sketches of over 100 mathematicians from 1596 to 1781. David Wilkins also provides related links to the including . Another excellent source of historical sites of individual mathematicians is . These sites are suitable for grades 8-12. The Mathematics for Parents newsletter, published by the WCER at the University of Wisconsin (Madison), provides teachers with 17 articles about teaching simple arithmetic and geometry concepts to primary grade children. Maxine Stinka of the Saskatchewan Department of Education has prepared an online mathematics glossary for grades 6-9. The BC Ministry of Education also provides another useful math for grades 7-12. Bruno Kevius provides an extensive collection of mathematics resources on the Internet organized by topic for grades K-12. Topics include algebra, calculators, education, fun mathematics, geometry, history of mathemetics, and many others. The Mathematics Teacher provides online sample articles dating back to 1996 from the Mathematics Teacher, an official journal of the National Council of Teachers of Mathematics for grades 8-12. The site contains activities, teaching strategies, new curriculum developments, and a listing of available articles in the print editions for mathematics educators. The Mathematics Teacher Education Resource Place is dedicated to supporting and improving the preparation of mathematics teachers (preK-16) by providing online resources, hot links, and a professional forum for those engaged in the teaching of mathematics content and methods courses, or in the field supervision of beginning teachers. Math For Morons Like Us Web site provides tutorials, sample problems, quizzes as well as interactive message boards for reviewing topics in pre-algebra, algebra, geometry, algebra II, and pre-calc/calculus. The site is suitable for students in grades 8-12. The Math Forum provides clear step-by-step instructions for over 150 that include squaring numbers, multiplying numbers, dividing numbers, and other topics. The site also offers for the numbers 5, 9, and 11, and for the numbers from 3 to 13. Swarthmore College's Math Forum is a one-stop Internet shopping mall for all your K-12 math needs. You can search or browse for lesson plans, interactive activities, materials, and related Web sites for teaching arithmetic, algebra, geometry and advanced math topics. For newcomers to this excellent site, use the convenient . The Math Forum provides a collection of Internet math hunts for grades 9-12. Each hunt consists of questions about math and mathematicians, and the answers can be found somewhere on the Internet. Students and teachers are invited to submit solutions and submit an Internet Math Hunt. The AIMS Education Foundation provides biographies of famous mathematicians from its math history publications. The Math Homework Help lets you email for help in pre-algebra, algebra I & II, geometry, trigonometry, calculus, and other math subjects for a fee. The site, suitable for grades 7-12, also provides history, a dictionary, and related links. Math in the Movies is Arnold G. Reinhold's guide to major motion pictures with scenes of real mathematics. Andrej and Elena Cherhaev's Math Jokes is a selection of humor and sayings containing something essential about mathematics, the mathematical way of thinking, or mathematical pop-culture. The site is suitable for grades 9-12. Donna C. Belville's MathKiD provides a collection of online math games to motivate elementary school children to learn basic skills in addition, subtraction, multiplication, division, counting money, and identifying equivalent fractions. The games include Magic Square, Get To The Gold, Get Rich Quick, Equation Scrambler, Fractions Game, and the Frog Game. The Math League provides help on a wide variety of topics for grades 4-8. The site contains help on whole numbers, decimals, data & statistics, fractions, geometry, ratio & proportion, percentages, integers, metric units & measurements, intro to algebra, and positive & negative numbers. Each topic is complete with straightforward examples, clearly-written definitions, and easy-to-understand explanations. Math Magic Activities feature nine magic recreations from card tricks to topological curiosities for students in grades 5-9. Another math trick is . Mathman, also known as Don Cohen, presents with answers from his highly acclaimed book and workbook, Calculus By and For Young People (ages 7, yes 7 and up). Addison Wesley Longham's MathNotes.com provides a variety of online interactive tutorials (Windows users only), study aides, real-world applications, and Spanish glossaries useful for high school classes. Math-On-Line contains a collection of interactive online math tests designed by Dick Laguens and created by QuizMaker 2.0. Topics include a review of basic math skills, a series of algebra tests, a series of practical geometry tests, and a quiz of the week for both algebra and geometry. The site is suitable for students in grades 9-12. Amby Duncan-Carr provides a well-organized collection of math sites for grades K-12. Categories consist of basic facts, arithmetic, problem solving, algebra, geometry, higher level math, numeracy, and test preparation. Maths Online Gallery, from the University of Vienna in Austria, provides a gallery of interactive learning units to enhance the teaching of secondary school mathematics. MathSphere provides a math dictionary for grades K-8. To read or print out the dictionary, you must download Adobe's free . MathSURF provides a collection of grade-by-grade activities and math-related sites that correspond to Scott Foresman/Addison Wesley's math textbooks for grades K-8. The site also offers daily three-levels of word problems to strength your students' mental math skills. In addition, you'll find reading-for-math stories with pictures for each chapter in your child's K-2 math book as well as K-6 math-at-home (or math-at-school) activities located in the family section. Many of the materials include printable student worksheets and answers and most of the resources can be used in planning your mathematics curriculum. The Math Tutor is ready to help you. He has years of experience with all areas of math, from arithmetic to calculus. Email him a question and he'll respond in a day or less - for free! The MegaMaze game from BBC's Megamaths Web site is interactive math game offering different levels of play and playing times for grades 4-6. Students solve multiplication and division problems as they try to work their way through a maze. If they pick up crowns, they gain extra time. To play this game, you must download Macromedia's free plug-in. Megamaths Tables, from a BBC television series for grades K-5, provides interactive math games where students can practice online multiplication, division, and word problems. The "Pick a Number" feature is especially helpful for kids learning the multiplication tables. Kids can click a number, then learn patterns and hints that can help them memorize basic math facts. To play the games, you must download Macromedia's free plug-in. Edmark's Mighty Math Club provides math activities as well as a free electronic geoboard for ages 3 to 14. Some of the activities do not require Edmark's software. Mikael Bonnier provides online an arthmetic drill program for elementary school students. Students can practice addition, subtraction, multiplication, and division basic facts, single digit with double digit computations, and problems in words as well as learn about Roman numbers. Rob Rumppe and Bill Towne of Minneapolis Public Schools provides a variety of practice math tests and quizzes that can help middle school students prepare for their own state's standardized math tests. Slavik Jablan's Modularity in Art is a stunning collection of pages tracing the mathematical connections between Roman mazes, Celtic key-patters, and modern Op-art works. You can also explore the author's where you'll find intricate Tamil designs from south India or Tchokwe ground drawings from northeast Angola. The site is suitable for grades 6-12. Money Talk contains money activities and games for elementary school students. The site includes currency converter for seeing what any amount of American money is worth around the world. Monster Math is an online interactive, bilingual math story for the primary grades. The site is designed to introduce and review a variety of basic math concepts such as counting, addition, and multiplication in which kids answer simple number questions about a monster to advance in the story. To begin the story in English, click , or to begin the story in Spanish, click . Mr-Maths, created by Tim Atton, a math teacher in the West Midlands, U.K., provides the following online math games for grades 7-12: a times tables activity called ; a trigonometry activity called ; an angle estimation activity called ; and a fraction concentration-like activity called . The site also includes Tim Atton's on a variety of math topics. Mr. Pitonyak's Pyramid Puzzle Web site provides a guided interdisciplinary math project for grades 6-8. Students do online research trying to find out how much would it cost today to build an ancient Egyptian pyramid. Frisbie's Middle School Demonstration Project (MSDP) in Rialto, Ca. offers a variety of interactive math activities for , , and . To find these activities, scroll to "Internet Links to Support Interactive Mathematics" and "Strand Links". Saxon Publishers provides online a hundreds board where elementary school pupils can practice counting any multiple from 2 to 9. Frisbie Middle School's Multicultural Math Fair Web site features ten activities in English and Spanish that make excellent projects for a schoolwide math fair for grades 6-8. The site also includes specific information for . The Department of Mathematics Education at the University of Georgia provides a variety of resources for furthering our understanding of multicultural perspectives in mathematics education. The site also includes related multicultural math links. Multiplication: An Adventure in Number Sense presents an alternative approach to memorizing "times table" that leads beginning algebra concepts. The site is suitable for grades 4-8. Chris Hardaker's Native American Geometry, suitable for grades 4-8, discusses and demonstrates hands-on exercises linking mathematics with multicultural art. The New Hampshire K-12 Science and Mathematics provides math addendums featuring content strands and teaching strategies for grades , grades , and grades . LIVE Mathematics on the Web provides interactive online practice in two and three place mutiplication, addition, and subtraction for students in grades 3-7. The NonEuclid Web site is a primer on non-Euclidean geometry featuring Joel Castellanos' online simulation called, NonEuclid, that allows students to draw lines and circles in the hyperbolic plane. The site also provides an introductory explanation of hyperbolic geometry, with over 25 illustrated pages in the "Basic Concepts" section. To find starting activities for this straight edge-and-compass construction simulation, click . To use this Java 1.1.4 simulation, you must download or . Blair Fraser's Non-Linear Lab is an interactive site for grades 9-12 where students can learn about and do online their own investigations in non-linear dynamics, chaos, and fractals. The NHHS Math Department Web site, created by students, showcases innovative projects for AP high school math classes The site includes an online with teaching ideas for using the Geometer's Sketchpad. Numbers, based on Richard Phillips' book Numbers: Facts, Figures , and Fiction, gives explanation and simple examples for each day of the month. A similar site, also suitable for grades 7-12, is Tom Brinck's . The Numeroscope, sponsored by the Woodrow Wilson National Fellowship Foundation, is an interactive laboratory for exploring clock numbers, cryptography, and finite groups. The suite is suitable for students in AP math classes. Online Algebra contains a collection of James Brennan's notes useful for high school algebra teachers and students. The notes include the following categories: the numbers of arithmetic, introduction to algebra, graphing and straight lines, systems of linear equations, polynomials, and quadratic equations. The University of Cincinnat provides automatically generated computer-graded smart exercises for instruction via the Web. HTML documents with graphs, links, and complex formulas are created individually for every student. The system supports answers as numerical or algebraic formulas, true-false, and multiple choice. Scores, and the actual student answers are stored in the logs. In addition, teachers can access class records or install new exercises using Web-based forms. The site is suitable for grades 7-12. Online Math Applications provides a variety of real-world math situations for elementary school students. Students learn about the different investment vehicles and play a simulated stock market game; find out how music and math are interrelated; read about great mathematicians like Euclid, Pascal, Newton, and Gauss, who developed mathematical key concepts; they discover why computers are getting better and cheaper; and they even compare the costs for renting or buying a car and are able to determine the braking distance to reaction time for various speeds and cars. The Mercer County Community College in Trenton, NJ provides a collection of over 20 online, self-correcting tests for students in grades 5-12. Tests cover computation, algebra, and geometry topics. The site also includes a for a variety of math concepts. The Math Center at the Oregon Curriculum Network provides a variety of topics on and . Spatial topics include Euler's law and symmetry families, while advanced include the binomial theorem and Descartes' Deficit (limits). The site is suitable for advanced high school math students. Thomas Hull's Origami Mathematics contains information on the use of paper folding in geometry for high school classes. The site includes straight edge and compass as well as illustrated directions for constructing the following models: , , and . Paper Folding is based on LWCD's book, Paper Folding, which features a hands-on approach to teach geometry using paper folding methods in grades K-12. The site provides online folding paper instructions and examples to introduce various math topics. Topics include basic folds, geometry, fractions, tangrams, and tesselations. Other origami sites with classroom paper folding activities for geometry are Aidan Dysarts , Paul Haeberli's , and Fascinating Fold's . Professor Eric Barth's students, Diana and Chris, at the Kalamazoo College provide interactive calculus study material for parametric equations focusing on projectile motion. The site is suitable for AP math students. Pascal's Triangle contains an explanation on constructing this famous shape, historical information, and explains the for grades 7-12. The site also offers for further exploration. Pattern Awareness System (PAWS) generates two-place mutiplication problems using an area procedure to help students understand the process. You must dowload Macromedia's free . Students are given a problem such as "What is the square of 51?" along with its corresponding diagram of a square. To solve the problem, students multiply each of the four parts (areas) and then add them up for the answer. (Paper and pencils or a calculator is needed.) The site, suitable for grades 5-9, can also be used to develop an understanding of mutiplication of polynomials in algebra. Paul Burke provides an online tutorial with a collection of geometry topics for high school classes. Topics cover surfaces, algorithms, and Platonic solids and their measured properties include illustrated commentaries, examples, and formulas. is another good tutorial by the author. PBS Mathline provides a wide variety of online math-related resources organized by grade level for grades preK-12. The site also includes a collection of and other from PBS TV shows that teachers can use in their existing math programs. Tufts University's Perseus Project provides an online version of Heath's English translation of Euclid's 13 geometry books. Donald Lancon, Jr. also has created Web site with information on Euclid's life. Peter Alfeld, a Professor of Mathematics at the University of Utah, provides a variety of useful math resources for students and teachers in grades 8-12. Included are , biographical information and classroom activities related to Archimedes, Eratosthenes, and Hypatia in the section, and a list of . In addition, the site offers an assortment of interactive animations in page. You can explore Mandelbrot fractals, identify primes using the Sieve of Eratosthenes, and see 3D animations of the five the Patonic solids. The Philadelphia Graphing Calculator Committee provides a variety of graphic calculator resources for high school math classes. The Pick a Number game from BBC's Megamaths Web site offers fun tips and tricks to help students in grades 3-6 learn the mutiplication tables. Click on a card to find tips and more games. To play this game, you must download Macromedia's free plug-in. Mukkai Krishnamoorthy's Picking Game, devised from a 1997 Scientific American article for grades 7-12, is an interactive divisor-and-multiple game with a range of numbers between 1-100. The site provides explicit directions as you play against the computer. Picture This, part of Sarah Keith's Creative Imaginations Web site, offers free tangram pieces and designs that the primary grade teachers can print out for use in their classrooms. Students can also create their own designs and possibly have them published on this site. Eve Andersson's Pi Trivia Game delivers an online quiz with 25 fun questions that the computer picks randomly from a database of hundreds of pi-related questions. For another quiz, click on your browser's Reload buttom. To learn about the number 'pi', click or . These sites are suitable for grades 9-12. Platonic Realms, maintained by the Math Academy's graduate math students, provides an Interactive as well as a collection of by famous mathematicians. The site also offers selected . Mr. Horne's Precalculus Notes provides basic information covering topics ranging from functions to trigonometric laws, identities, and equations to sequences and series for high school teachers and students. The Princeton Review Online provides test questions from the New York State Board of Regents math exams for high school students. These test questions make excellent supplementary material for general math, algebra, geometry, and trigonmetry classes. The site includes , , and sample tests with answer keys. To read and print all the exams, you must download Adobe's free . Nick Thomas provides online an illustrated guide to projective geometry for high school students. Project SMART provides a variety of collaborative math and science projects created by Rhode Island teachers in 1995 and 1996 for grades 2-12. Gary Stoudt of Indiana University of Pennsylvania provides an online pronunciation guide to mathematicians. Kent Kromarek of the Iniversity of Wisconsin at Waukesha offers another . These sites are suitable for grades 5-12. Pythagoras' Playground contains a variety of math projects involving triangles for grades 5-8. Practical Uses of Math and Science (PUMAS), pronouned poo' ⋅ mas, is a collection of one-page examples of how math and science topics taught in K-12 classes can be used in everyday life. To view and print any of the articles, you must download Adobe's free . The Québec English Schools Network (QESN) provides a collection of supplementary math materials (student handouts and teacher's guides) for teaching algebra, geometry, and statistics at the high school level. To view and print these materials, you must download Adobe's free . The Quiz Lab, designed by FunBrain for grades K-12, allows teachers to put their own quiz materials on the internet. When the students complete the quiz, the results are emailed to the teacher along with the most frequently missed questions. To sign up for this free service, click . Question Mark Computing provides an interactive GED Math Test courtesty of Steck-Vaughn for grades 9-12. Quia! Math Journey is an interactive math game for grades 3-8 where students travel around the world by answering addition, subtaction, mutiplication, and division problems. The journey begins and ends in London, and has stops in 30 cities along the way. To board the plane to each new city, a student must answer a math problem correctly. If he/she gets a problem wrong, he/she has "missed the flight". Miss three flights and the game ends. The game offers four skill levels, and students can practice can only one type of problem or a variety of problems for each game. Headbone Interactive's Rags to Riches is an online game where teenagers can rake in as much cash as they can taking "Groovy Gravy" on a 10 week band tour. Choose music venues, set ticket prices, record new songs, and decide how much to spend on advertising. To start the game, click . Rational Numbers is an online guide for teaching the basics to graphing rational functions for high school students. The site includes interactive exercises and quizzes. The Birmingham City Council Education Department provides a wide variety of math resources from calculator activities to tricks for grades 4-8. To find this collection, scroll to "Free Online BASS Resources. Oliver Lawrence's Roman Numerals 101 explains how the Romans used seven letters to express all their numbers. The site also includes an online for students in grades 5-8. Room 108 provides a wide variety of online interactive math drills covering all the basic operations for students in grades 1-6. Some talk to you and say "NO" or "RIGHT" when you type in the right number, and you can control the number of problems and other variables in the timed-test drills. Rosemary Beck provides a collection of twelve math exercises with answers for teaching word problems to students in grades 4-7. Cubic Science presents free sample practice materials to prepare high school students for the SAT math exam. In the , you'll find online a brief tutorial and a quiz for the following topics: new operational symbols, parallel and perpendicular lines, percentage and data interpretation, prime numbers and factors, the Pythagorean theorem, and triangles. The site also provides online and tests with Java and without Java. Saxon Publishers provides online practice in addition, subtraction, multiplication, and division basic facts for elementary school students. The site includes a "Show Me My Results" feature which keeps a record of the student's correct and wrong answers. M. Casco Associates' School of the Web offers online interactive reources for teaching about functions, graphs, chaos theory, and fractals at the high school level. The UK's Schoolzone provides a collection of for grades K-12. The Science Explorer provides a wide variety of online math tests to help high school students prepare for the SAT. The Geometry Center's Science U is filled with interactive exhibits, online simulations, graphics software, and a library of reference materials for grades 7-12. Among its various math resources are the , a , and a section with Platonic and Archimedean solid activities. To browse the complele collection of activities and articles for math, click . The Secondary Mathematics Assessment and Resource Database (SMARD), managed by the Queensland Association of Mathematics Teachers, provides classroom-tested, non-traditional math assessment and resources for students and teachers in grades 4-12. Seeing is Believing provides a containing a separate glossary for algebra, calculus, geometry, statistics, and trigonometry. For a single dictionary of math terms, click . Shapes helps teach preschool and primary grade children about common geometric figures such as the circle and the square. Shongo Networks, from the GEMS guide "Math Around the World", features a fun pencil-and-paper tracing pattern that illustrates network or graph theory to students in grades 3-8. This pattern can printed and recopied for classroom use as well as this . The site also includes an online demo showing the various solutions of the first pattern. David E. Joyce's Short Course in Trigonometry is an online tutorial useful AP math students. Topics covered are angle measurement, chords, sines, cosines, tangents and slope, the trigonometry of right triangles, the trigonometric functions and their inverses, the trigonometry of oblique triangles, and trig identities. Students everywhere will enjoy hearing Shooter, a six-year old Yorkshire terrier, bark out the correct answers to math problems on their computers. Simon Fraser University's History of Mathematics provides information about mathematicians from Europe, China, India, and Egypt and includes a history of sundials in the special topics section. The site is suitable for grades 7-12. LIVE Mathematics on the Web provides an online quadratic equation solver for beginning algebra students. The Department of Mathematical Sciences at The University of Texas at El Paso provides a collection of practice tests with immediate feedback for intermediate algebra, social sciences math, pre-calculus, calculus, and differential equations. The site, suitable for grades 9-12, also includes a list of organized by topic. Daniel Cummerow has composed digital music to accompany a variety of math topics. The site, suitable for grades 7-12, also provides math information on the topics and links to other math/music resources. Spanky Fractal Database is a collection of fractals and fractal related material that Noel Giffin has complied for free distribution. The site is sutable for grades 9-12. Julian C. Sprott's presents daily a new generated automatically by a computer program the author created. The program searches through large classes of equations for visually interesting patterns. The site, suitable for grades 7-12, contains an dating back to 1996 of older fractals and to thousands of fractals from other sites. Statistics Every Writer Should Know is Robert Niles' easy-to-understand guide covering the basic statistical concepts for students in grades 6-12. The Storybook of Geometry, created by three high school students, features a variety of interactive stories in which middle school students will be able to learn the basics of geometry and see how they relate to real world situations. Students answer story problems, explore, and read illustrated stories that help to uncover the mysteries of geometry. The Study Web, created by American Computer Resources (ACR) for grades K-12, provides a searchable collection of reviewed math sites. Categories include , , , , , and . The site also includes a list of . Barb and Cam Miller's Sumfun is a little smorgasbord of links to intriguing math information online for grades 6-12. The Sunny Hills Elementary School in Issaquah, Wa. provides online weekly homework activities for grades 4 and 5. Each math activity includes an illustratred explanation (lesson) accompanied by a printable student worksheet. This supplementary material is also sutable for grades 4-8. Chaim Goodman-Strauss' Symmetry and the Shape of Space features advanced math topics for high school geometry students. The symmetry topic includes motion in the plane, isometries, and regular patterns, while the paper surfaces topic include topological items such as the Mobius band, the annulus, the Torus and the Klein bottle. Symmetry Online is an abridged online version of István & Magdolna Hargittai's book Symmetry: A Unifying Concept published by Shelter Publications. The site features a graphic journey through the worlds of symmetry covering bilateral symmetry and shape and movement topics suitable for high school students. Synergetics on the Web is a tribute to Buckminster Fuller providing information about geometry and the visual arts and geodisic domes. The site, suitable for high school math classes, includes related links. Randy Crawford's Tangrams provides a wide assortment of tangram designs as well as tangram history and illustrated directions for making your own set. The site is suitable for grades 3-7. The Teacher's Corner, updated bi-weekly, contains a collection of contributed by teachers for grades preK-6. Teaching Children Mathematics provides online sample articles dating back to 1996 from the Teaching Children Mathematics, an official journal of the National Council of Teachers of Mathematics for grades preK-6. The site contains activities, teaching strategies, new curriculum developments, a listing of available articles in the print editions, and a 'Problem Solvers' section in each online issue for mathematics educators. For an archive of back issues, click , to use its search engine, click . Teaching K-8, a monthly professional magazine for K-8 teachers, provides a variety of including math. Donald and Deborah Leu's new book, Teaching with the Internet: Lessons from the Classroom, offers sample strategies from the book for integrating the Internet into the mathematics classroom (). The site is suitable for grades 4-12. Tenth Planet provides a collection of Web sites for enriching the teaching geometry in grades preK-5. Themes include spatial relationships, introduction to patterns, combining shapes, creating patterns from shapes, shapes within shapes, and mirror symmetry. Makoto Nakamura presents a collection of his tessellating animations. The site is suitable for grades 4-12. Tessellations Project contains examples of fifth-grade and sixth-grades student tessellations. Other sites with tesselation examples can be found at the , , and . The University of Delaware's Center for Teaching Effectiveness provides an instructional handout entitled "101 Things You Can Do During the First Three Weeks of Class". The site contains numerous suggestions applicable to grades 6-12. Time for School provides a collection of printable math worksheets for grades prek-3. The U.S. Naval Observatory's Master Clock provides online the expressed in UTC, EST/EDT. CST/CDT, MST/MDT, PST/PDT, or all the . The site also includes the section containing historical information, clocks of the future, and information about time systems. To learn more about world time zones, click and to learn about the millennium, click . This site is suitable for grades 7-12. Tom Gettys' Polyhedra Hyperpages contain images of Platonic and Archimedean solids, and other computer-generated images of polyhedra for grades 7-12. To view pictures of polyhedral solids, click , and to view Bruno Kevius' animations of the five Platonic solids, click . To learn how to build your own models, click . Other similar sites are George Hart's containing images of 1,000 polyhedra as well as instructions for making your own paper models, and R. Mäder's the with 80 thumbnails and large pictures that can be scaled and printed. E. Lee Lady's Topics in Arithmetic and Elementary Mathematics are materials used in a university course for prospective elementary school teachers. Topics covered are representing numbers in other bases, divisibility tests, periodic decimal expansions, irrational numbers and square roots, basic principles of algebra, "Russian Peasant" multiplication, Horner's Method or synthetic division, simple linear Diophantine equations, Newton's method for computing square roots, proof that square roots of most integers are irrational, and how to convert a repeating decimal to a fraction. Jeff Weeks provides seven interactive topology (torus and Klein) games for students in grades 6-12 to play online. Click to play the games. Totally Tessellated is a comprehensive introduction to tessellations for grades 5-12. The site includes a historical gallery of actual tessellations, illustrated and animated tutorials, how to make tessellations, and information about the most famous tessellator, M.C. Escher. The Math Forum's Teacher2Teacher is an online resource for K-12 teachers who have questions about teaching math. The site offers an archive of answers, pages of public discussions, and a form for submitting questions. For an overview of this question-and-answer service, click . The Trigonometry Review provides online 67 study questions for high school trig students, Topics include definitions of trigonometric functions, values of functions in the first quadrant, and trigonometric identities. Triton College Math Department provides review material for a variety of math topics including , , and . The site, suitable for grades 7-12, also includes an updated list of . Tony Phillips' Web site provides information about labyrinths (a special kind of maze) that have been constructed and enjoyed by people since pre-historic times. Recently, a way has been found to encode these patterns numerically, and to use the mathematical formulation to study existing labyrinths and to generate new ones. The site is suitable for grades 4-12. Education by Design features three online interactive activities to help elementary school students learn basic math skills. provides number fact practice; offers jigsaw-like puzzles for improving spatial ability; and helps to teach grouping with numbers over ten. Each activity includes three levels of difficulty. Using the Newspaper to Learn Math from the Calgary Herald contains a series of math activities for arithmetic, measurement, graphs, and geometry in grades 3-6 The McCarty Company's Vineyard Challenge is an online, interactive game for grades 8-12 that incorporates concepts found in farming, business, and marketing. The student is given a set amount of money with which to purchase a vineyard and grow crops. The outcome is based on several choices made by the student. Kyle Siegrist's Virtual Laboratory offers interactive Web-based modules for teaching and learning probability and statistics in grades 9-12. The site includes Java applet toss dice, draw balls, and other experiments where students can have fun manipulating variables online. Jonathan Bowen's Virtual Museum of Computing (VMoC) is a comprehensive and an eclectic collection of links connected with the history of computing and online computer-based exhibits worldwide. The site is suitable for grades 9-12. Larry Husch's Visual Calculus is a collection of modules which can be used in the study or teaching of calculus for AP high school classes. Topics covered are pre-calculus, limits and continuity, derivatives, applications of differentiation, integration, applications of integration, and sequences and series. The site provides tutorials, interactive materials, quizzes, and drill problems. Xah Lee's Visual Dictionary of Plane Curves provides a wealth of information about plane curves for grades 9-12. It covers the history, description, formulas, and propreties of about 30 curves. The site is heavily enhanced with illustrations, QuickTime movies, Geometer's Sketchpads, and Mathematica notebooks. You'll also find visual symmetry examples at Lee's featuring wallpaper designs using geometrical motifs. Dickinson State University's Visualization of Elementary Math Web site for students in grades 1-6 contains interactive math tables providing basic facts practice in and multiplication as well as practice in . In addition, the site offers interactive visuals providing practice in and . Each interactive tool includes instuctions on how to use it and teacher information in the "didactic pages". The Wall Street Sports, suitable for grades 9-12, is a stock market simulation where you can buy and sell fantasy shares of your favorite athletes from all your favorite sports. Students can buy shares of Jordan, Tiger or Gretzky, and trade them as they would Microsoft, Apple, or Disney. If students manage a successful portfolio, and if they're eligible, they can win prizes such as autographed sports memorabilia, t-shirts, and trading cards. Maria Swayne, a teacher at the Corona Avenue School in Bell, California, provides a variety of monthly math projects for students in grades 4-12. The University of Richmond provides a collection of online student projects created by their pre-service teachers for grades K-6. To find Web-based projects for math, scroll to "Mathematics Projects" in its page for all the student projects. The Web Classroom provides online straightforward times tables practice for elementary school students. Students are posed with a problem, prompted for an answer, and then told whether correct or not. If correct, they are given a trivia question which helps extend general knowledge and adds interest to the task of memorizing the tables. WebMath provides instant solutions to hundreds of math problems for students in grades 3-12. It generates immediately answers to their specific math questions from the problems that they enter. The site also shows them how to arrive at an answer and provides a step-by-step solution. Students can find answers to a wide variety of math problems for everyday math, units conversion, graphing, polynomials, quadratic equations, word problems, computational problems, finding factors, GCFs,and LCMs, addition to division fraction problems, simplifying expressions, and even calculus derivative problems. Jonathan Katz's site shows you where your bithday falls in this long number. For example, if you were born Mar 21th 1985, enter 32185 (no spaces), the computer will tell where you are in pi. Also, Dave Andersen's , with 50,000,000 digits and not restricted to birthdays, lets you find just about any number in pi. These sites are suitable for grades 5-12. A+ Math's and tables provide online basic fact practice as well as number pattern recognition for students in grades 1-5. Willoughby Wanderings offers a variety of interactive multiplication and division tutorials and drills for students in grades 3-6. The University of Oregon's Women in Math Web site consists of an extensive collection of biographies on for grades 7-12. The site is organized alphabetically, by last name of the woman mathematician. The World of Escher contains nearly 50 of in thumbnail form, each with an enlargement facility. These interesting pictures can be used to illustrate tessellation, symmetry, and impossible objects. Middle school students can also find and write about impossible pictures or objects. Another similar site is Bill Church's . Patrick De Geest's World of Numbers contains recreational topics on the theory of numbers from palindromic numbers to circular primes for grades 9-12. Also, Charlton Harrison's page contains a list of numbers that are palindromes both in their binary and decimal represenations. Yahoo provide a extensive collection of math sites organized by category for grades K-12 and college teaching. Useful categories and topics for grades K-12 include , , , , , , and . Yazoul's Number Wall from Disney Interactive provides an online addition game for grades 2-6. Students have to complete the equations three separate times to escape the palace dungeon. To play this game, you must download Macromedia's free plug-in. Your Weight on Other Worlds lets you find out your weight on other planets, moons, and stars while learning about the difference between mass and weight. Did you know that if you weigh 100 pounds here on Earth, you'll weigh under 40 pounds on Mars? The site is suitable for grades 4-12. Liberty Financial Companies' Young Investor Web Site provides a variety of interactive resources to help teach students in grades 7-12 about money matters and investing. Hossein Arsham's Zero Saga and Other Stories presents the history of and fallacies about zero and other sites about numbers and number curiosities. The site is suitable for grades 8-12. Zini's Activity Pages, provided by Spectrum, the family Internet magazine, contains a collection of 28 printable math-readiness activity pages for kids ages 4-7. The site includes coloring, cut and paste, dot-to-dot, maze, same and different, and tracing pages. Zona Land provides illustrated information on a variety of math topics in the section. Topics include functions, graph paper, quadratic formula, trigonometry, geometry, fractals, and VRML. The site is suitable for grades 8-12. These pages has links to many sites related to math. If you have any corrections or additional information please email NUA. The pages are arranged by the following categories. Ideas and Activities A - L |
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