 Four 4's Puzzle  Ruth Carver, Math Forum
For students in grades 312 with a general knowledge of mathematics. Using four 4's and any operations, try to write equations that have the numbers from 0 to 100 as the answer. The answer for each number and the name of the first person to get it are
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 FUNdamentally MATH  Chip Publications
A commercial DOS/Windows program covering kindergarten through grade 12 math topics (Basic skills: Addition, subtraction, multiplication, division, negative numbers; Fractions: ordinary and decimal; Middle school geometry; Exponents: powers, roots, number
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 Gary Haynes  Gary Haynes
Course syllabi, lesson plans, homework, and objectives. Visit "Tangrams and Other Games" for an interactive tangram story and a Flash presentation on how to develop an understanding of functions through the use of the motion sensor.
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 Graphing Applet  Greg Vogl
This graphing Java applet illustrates variable substitution and function composition by encouraging the user to experiment with variables and look at a range of functions  logarithmic, trigonometric, exponential, and more. Parameters include xmin and
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 Hamilton's Math to Build On  Johnny & Margaret Hamilton
Simple, straightforward explanations, drawings, questions and answers from the book Math to Build On by Johnny & Margaret Hamilton (copyright 1993). Excerpts offer pages on: Angles, Degrees, Variables & Constants; Squaring Numbers; Square Roots;
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 Homework for Kids  hwforkids.com
More than 275 pages of math worksheets and word problems. Most pages are dynamic and will provide a different set of exercises when reloaded. Print out worksheets at several levels for learning numbers, addition and subtraction, multiplication and division,
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 HyperMath  Carl R. (Rod) Nave; Georgia State University
HyperMath uses concept maps to explore mathematics ideas and applications to physics and astronomy. Originally developed in HyperCard, HyperMath covers the topics of algebra, trigonometry, geometry, vectors, linear algebra, logarithms, exponents, calculus,
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 Inquisitive Problems  B.S. Rangaswamy; Math Forum Teacher Exchange
Two collegelevel problems on numerals, Palindrome Cube and AL Perplex5, from the author's soontobepublished work, Wonders of Numerals, submitted to the Math Forum's Teacher Exchange. You are invited to send in your answers.
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 Introducing Powers And ModelsII (SMILE)  Sarah Barrett, Mars Hill School
A lesson designed to teach students powers and models using Multiplication Rummy, a card game that provides practice in rapid calculation to increase the acuity
of excellent students. From the Arithmetic section of a collection of almost 200 single
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 Introducing Powers and ModelsI (SMILE)  Sarah Barrett, Mars Hill School
A lesson for grades 410 designed to teach students to discover how to square numbers; that squares are areas; the meaning of terms (exponent, to the power of, etc.); to visualize powers; to construct models and describe shapes; and to manipulate puzzle
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 Invest Smart  David Leung, George Lee, and Andy Kim
Learn about the stock market and investment techniques. A Market Simulation lets classes, clubs, or individuals invest an imaginary $100,000 and track the results; includes a separate mutual funds simulation. Site also contains information about saving
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 John and Betty's Journey into Complex Numbers  Matt Bower
A children's bookontheWeb from Australia, designed to introduce complex numbers in story form in a way that is intuitive and enjoyable for students. John, Betty, and their dog Trevor solve a series of problems designed to introduce integers, fractions,
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 JRPN: a PopUp Scientific Calculator  Bill Giel
A 35function virtual scientific calculator that uses Reverse Polish Notation for data entry, making it easy to perform chained calculations. It also features continuous (filebased) "memory" and 10 persistent storage registers. Styled to look like a
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 JuniorHighMath.com
Free printable worksheets from a middle school teacher: algebra, one variable; algebra with coefficient; twostep algebra with addition; twostep algebra with subtraction; exponents; Pythagorean Theorem; and circles.
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 Karl's Calculus Tutor  Karl Hahn
A searchable 1st year calculus tutorial: Number Systems and Their Properties; Limits; Continuity; Derivatives; Applications of Derivatives (Hilltops and Valley Floors  Wiley Coyote, Squigglies, Wormtails, and Pointed Little Heads); Exponentials and Logarithms;
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 Kids Math
Elementary and intermediate drill exercises/games (timed, with answers shown correct or incorrect) for learning addition, subtraction, multiplication, division, fractions, decimals, measurement, graphs. In English, Spanish, and Chinese. Also prealgebra
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 King of Mnemonics  Anton Prasolov
Prasolov's Hermes tables, alongside poems such as "fact dense fogs warm suns defy," help you remember mnemonics for determining large cubic roots, weekdays from dates, and more. Demo or purchase his King of Mnemonics (KoM) Windows software. Inspired by
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 Le site des maths à petites doses  SaintMartin Arnaud
Supplementary information and explanations of various mathematical topics, often illustrated with figures and JavaScript, as well as some sample problems and multiplechoice quizzes. In French.
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 Magical Methods  Magical Methods Enterprises
A source for Vedic mathematics, as developed by Pradeep Kumar. Find examples of arithmetic shortcuts for calculating squares, cube roots, multiplication, and division. Play games such as a calculation speed builder; purchase products to prepare for the
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 Mamikon  Mamikon Mnatsakanian
Thoughtprovoking Shockwave Flash animations of geometric constructions, graphs, games, and much more. Mnatsakanian's site http://www.mamikon.com/ links to dozens of the articles he has coauthored with Tom Apostol in journals such as American Mathematical
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 Math2.org (formerly Dave's Math Tables)  David Manura
A collection of useful searchable math reference tables, formatted especially for the Web. Tables cover topics in general math (number notation), algebra (identities, polynomials, exponents, etc.), geometry (areas, volumes, surface areas), trigonometry
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 MathComplete  Beata Obrzut
Learn about probability distributions, quadratic equations, linear expressions, slope of a line, radical expressions, and sequences and series through tutorials, worked MathML examples, and "automatic solvers" that use Design Science's MathPlayer software.
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 MathEclipse  Axel Kramer
Evaluate math expressions symbolically or numerically. MathEclipse plots two and threedimensional functions; checks primality; recognizes constants; accepts integers, rational numbers, complex numbers, real numbers, complex real numbers, vectors, matrices,
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 Mathematical Connections  Brian R. Sears
A collection of more than 20 wellknown problems (with solutions), and Sine Wave, a set of essays on "the aesthetic aspects of mathematics."
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 Mathematical Tables and Formulas (S.O.S. Mathematics)  Dept. of Mathematical Sciences, Univ. of Texas at El Paso
A place for students and educators to access mathematical formulas. The tables are organized by topics: The First 1000 Prime Numbers; The Prime Factorization of the First 1000 Integers; Math for the Toolbox  SAE to Metric Conversion; Some Important Constants;
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 The Mathematical Works of Rajesh Ram  Rajesh Ram
A collection of formulas and identities: Fibonacci, Pell, square and triangular numbers, and sums of cubes and other powers, with an identity related to Ramanujan's Number.
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 Mathematics (SparkNotes.com)  WebCT.com & iTurf Inc.
Over 100 guides for mathematics ranging from prealgebra topics to advanced work in calculus, written by students and recent graduates of Harvard University. The site also includes message boards for beginner, high school, and advanced math, calculus,
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 Math Exercises
Interactive exercises, lessons, and worksheets to practice knowledge of whole numbers, integers, divisibility, fractions, exponents and powers, percentages, proportional reasoning, linear equations, quadratic equations, monomials, polynomials, special
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 Math Expression  Ng Wei Chong
Free online videos for learning math. Each math lesson consists of animated math videos, practical study tips and practice questions with stepbystep solutions.
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 Math for Morons Like Us  ThinkQuest 1998
Students talk to students about math: a site designed to help you understand math concepts better. Tutorials, sample problems, and quizzes for PreAlgebra, Algebra, Geometry, Algebra II, and PreCalc/Calculus, designed assuming you know some of the basic
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 Math in Daily Life  Annenberg Media
Students often question how they will use basic mathematical concepts, algebra, and geometry throughout their lives  but the average person uses math at least three times a day. Read how math affects daily decisionmaking in this series of short articles
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 Math Lessons  Cynthia Lanius
A variety of algebraic and geometric projects and puzzles that help students find mathematical patterns and formulas. The Million $ Mission explores exponential growth, a Fractal Geometry Unit teaches the secrets of fractals, the Mathematics of Cartography
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 Math Made Simple  Tom Henry
Videos that explain math concepts and then provide stepbystep solutions to example questions. Lessons cover prealgebra, algebra, trigonometry, exponents and logarithms, permutations and combinations, sequences and series, coordinate geometry. Each
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 Math Magic by the Human Calculator Scott Flansburg
Scott Flansburg, "The Human Calculator," created Math Magic to be a fun math activity that makes learning basic math skills easy. For kids, Math Magic offers an entertaining video with an easytouse workbook that features math worksheets which cover
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 MathMedia  MathMedia Educational Software, Inc.
Macintosh and Windows software for math education. Curriculum based, interactive, programs with instruction from which students can selfteach and practice math. Software offers vocabulary sections, reviews of appropriate prerequisites, printable flashcards
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 MathPickle  Gordon Hamilton
Free videos that pose "rich math gems": Fibonacci Mutant Bunnies, Amoeba Squares, Kajitsu, Locker Room Prank, Area and Perimeter of Animals, Ballast Puzzles, and more. Select a grade band for PDF solutions, presentations in PowerPoint and Keynote formats,
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 Maths4Me  Philip Isham
Tutorials covering the main topics of school mathematics using simple English words and pictures. It is intended as an alternative and a supplement to the more academic and structured methods.
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 Math Stuff  The Connaissance Museum; ThinkQuest 1996
Tutorials/definitions of math terms and concepts in Arithmetic; Algebra; Geometry; Trigonometry; Calculus; and Helpful Tables and Graphs. Also The Famous Dictionary of Mathematics  math terms for help in doing homework, from abscissa, acute, and additive
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 Mathtoons  Kristin Garn
An educational technology company that delivers engaging math lessons designed specifically for digital learners in the upper grades, such as Logarithms Lite iPad, a humorous discoverybased lesson that uses animation and wacky characters to help students
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 Math Video Lessons  Tom Henry
Narrated instructional videos available for purchase. Also available from http://mathmadesimple.com/.
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 MegaCalculator  Don Benish, Benish Industries
From the MegaConverter site. A webbased scientific calculator with which you can add, subtract, multiply, divide, take square roots, do powers, logarithms, sin, cosine, tangent, statistical functions and more.
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 metarith
metarith challenges you to add, subtract, multiply, divide, exponentiate, and basechange your way to a target value. Similar to the 24 game, this JavaScript lets you choose the countdown clock you race against, the size and sign of the quantities it
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 The Million $ Mission  Cynthia Lanius
You have your choice of two payment options on your new job: 1. One cent on the first day, two cents on the second day, and double your salary every day thereafter for the thirty days; or 2. Exactly $1,000,000. (That's one million dollars!) What's the
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 Modules de mathématiques  Gilles Desbiens; Centre collégial de formation à distance (Québec, Canada)
Révision des notions acquises au secondaire, avec la collaboration du Groupe Vidéotron ltée. Ensembles et fractions; exposants et factorisation; équations et inéquations; fonctions algébriques, équations
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 Money Cents  MoneyCents, Inc.
Cartoon characters introduce the basics of saving and spending money. Interactive calculators to investigate sales and car loans, history quizzes, and Shockwave games.
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 Mr. Hoffman's Home Page  Jim Hoffman
Assignments, notes, exams and interactive vocabulary quizzes (with answer keys) from Hoffman's own math and twodimensional computer animation high school classes. These materials are based on Saskatchewan Provincial Curriculum, and include Math 9, Math
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 Mrs. Glosser's Math Goodies  Gisele Glosser
Interactive math lessons that work online and offline in a Web browser, and provide immediate feedback to students, with in addition Worksheets (on circumference and area; exponents; expressions and equations; integers; Ocean Math; order of operations;
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 MSTE Java  University of Illinois at UrbanaChampaign (UIUC)
Javabased activities submitted to MSTE, the Office for Mathematics, Science & Technology Education at UIUC. Topics include: best fit; box perimeter; Buffon's needle; CAD viewer; cereal box problem; chisquared test analysis of random marbles; cliff
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 My Dear Aunt Sally  Ron Larson
The game "My Dear Aunt Sally" reinforces number sense, from single operations on whole numbers to multiple operations on rationals. Features hints; audio in English or Spanish; hundreds of difficulty levels; animations of Aunt Sally and her animal friends;
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 Negative Exponents  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about negative exponents, from simplifying nested negative exponents to whether multiplying by 10 to the negative 3rd power is the same as dividing by 10 to the positive 3rd power.
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