- Algorithms - National University of Ireland
Web interfaces that provide steps for moving the disks of the Towers of Hanoi, calculate the Euclidean greatest common divisor (GCD) algorithm using recursion, and compute maximum profit from the knapsack problem using dynamic programming. Also, generate
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- College Math Prep for High School Students - C. J. Kentler and V. S. Manoranjan, Washington State University
Self-scoring problems, new with every click, to gauge a student's preparedness for college level math: operations, solving for a variable, solving linear equations, word problems, solving absolute value equations, solving inequalities, distance between
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- Completing the Square - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about completing the square, with diagrams, geometry, and alternate methods.
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- Conceptual Math Media, Inc.
Math educational products for both the classroom and family. Master multiplication facts and divisibility rules with PrimePak playing cards; create equations crossword-style with the Equate board game, also available via e-mail. Order products online
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- Cryptoclub - Vera Pless, Janet Beissinger
This website includes tools to encrypt and decrypt messages, an
animated treasure hunt, a classroom message board to send and
receive encrypted messages, and a place to explore mathematics
topics related to cryptography, such as prime numbers and
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- Cuisenaire Math - ETA/Cuisenaire
From the makers of Cuisenaire Rods: Connecting Cuisenaire Rods, Cuisenaire Roddles (board games and puzzles that emphasize spatial reasoning skills), Cuisenaire Rods for the Overhead, Magnetic Cuisenaire Rods, and other manipulatives. Publications include
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- Database of Number Correlations - James Barton
Partitionings, prime factorizations, polygonal numbers, and other data about each of the numbers one through one thousand, as well as connections to "various material and occult phenomena." See also Barton's magic square that has interesting prime factor
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- David's Math Pages - David E. Dirkse
Freeware for Windows 95 and up: Graphics-Explorer (plotting equations, curve fitting, differentiate, integrate, use constants a,b,c changable at mouseclick, graphics adjust...), linEq (solve systems of lin. equations and watch Gauss-Jordan elimination
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- Digital Math - Santa Barbara County Education Office
A site to assist Algebra I, Grade 7, and Grade 6 students, their parents, and educators with the California State Mathematics Content Standards. Log in for Quicktime that provides step-by-step instruction to solve problems aligned with the mathematics
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- Dream Frequency .com
CGI web applications to calculate the factors of a number, calculate the prime numbers below a number, test a number for primality, calculate a word's position in the alphabetically sorted list, convert hex to ASCII, or convert temperature from celsius
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- emGames - Wright Group/McGraw-Hill
Twelve Shockwave games aligned to the Everyday Math curriculum for the early grades. Game topics include the basic operations (including angle addition), place value, money, estimation, factoring, and choosing the larger of two numbers. Many games involve
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- Factorization using the Elliptic Curve Method - Dario Alejandro Alpern
A Java applet that factors numbers up to 1000 digits long, outputting their number of divisors, sum of divisors, Euler's totient, Moebius number, and sum of squares. Also accepts numerical expressions.
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- Factors of 1000 numbers starting from googolplex - Dario Alejandro Alpern
Known prime factors of numbers in the range 10^(10^100) to 10^(10^100)+999.
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- Factor Table, 1-60 - Math Forum, Ask Dr. Math Common Question
A table of the factors for the numbers 1 through 60.
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- Finding Prime Factors - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about finding prime factors, along with divisibility rules for some prime numbers.
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- Fr. Chris' Math Lab at the Cape - Christopher Crispin Thiel
Interactive Java tutorials, labs, and lessons for making angles; caroming billiard balls; investigating wavelengths of rainbows; constructing and measuring angles, triangles, and quadrilaterals; exploring ratios of terms in the Fibonacci-like sequences;
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- iKodeko - iKodeko Software, Inc.
Free online math quizzes cover least common multiple (LCM), Roman numerals conversion, number to words, and algebra word problems. Review performance, and participate in discussions around individual test items. Download the iKodeko Worksheet Maker freeware
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- Interactive Games - Cathleen J. Chamberlain and Mark Cogan, Oswego City School District
Design matching games and quizzes. Pre-made games include Ghost Blasters and Sum Sense, for practicing arithmetic; Banana Hunt, for estimating angle measures; Bang on Time, Class Clock, and Stop the Clock; Billy Bug, for learning coordinates; Fraction
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- Javascript School Math Toolkit - Jeff LeMieux
JavaScript Pythagorean solver, proportion problem solver, percent proportion problem solver, chord to circumference calculator, denominator to repeating decimal checker, subtraction worksheet generator, addition worksheet generator, multiplication worksheet
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- LCM, GCF - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about least common multiple and greatest common factor, along with step-by-step explanations.
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- MATC Math on the Web - Alternative Learning Division
Instructional materials by the Madison Area Technical College. "Basic geometry" offers a full tutorial, with self-assessments and Java, JavaScript, and VRML experiments. Also, learn about sets and their operations; solve the "flashing lights enigma";
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- MathEclipse - Axel Kramer
Evaluate math expressions symbolically or numerically. MathEclipse plots two- and three-dimensional functions; checks primality; recognizes constants; accepts integers, rational numbers, complex numbers, real numbers, complex real numbers, vectors, matrices,
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- Math Fundamentals - Vinay Agarwala
Lessons with diagnostic tests and problem sets, and books by the author, all designed to encourage conceptual understanding of math fundamentals. Lesson topics include numbers and place values, addition and multiplication, subtraction and shortage, division
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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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- MathWonders, LLC - Amy Clark-Wickham
Makers of ClockWise products, which draw on the image of the 12-hour analog clock to conceptually unite the decimal (10), duodecimal (12), and sexagesimal (60) patterns that emerge from nature and everyday experience. Purchase the ClockWise system book,
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- Mr. Hoffman's Home Page - Jim Hoffman
Student reference material, quizzes and exams (with answer keys), interactive vocabulary quizzes. Material based on Saskatchewan Provincial Curriculum and includes Math 9, Math 10, Math 20 , Math A30, Math B30, Math C30 and Calculus 30.
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- The Number Empire - Vitalii Vanovschi
Enter a positive integer up to 10^12, press the "Go!" button, and The Number Empire states -- in yes/no format -- whether you entered a prime number, a Bell number, a Catalan number, or a factorial. The same single click displays the integer written out
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- Online Lessons Using Streaming Video - Your Other Teacher.com
Tutoring via streaming video and online tutors (using whiteboards). Free samples available. The math section includes arithmetic, pre-algebra, factoring for algebra students, algebra 1 and 2, word problems, CAHSEE (California High School Exit Exam), introduction
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- On Line Math & Science Resources - Paul Griffith
Two courses, each encouraging progressively more modeling, algorithm invention, strategy making, and abstraction. Course I covers operations, number properties, order of operations, grouping, factoring, fractions, averaging, probability, number bases,
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- Prof. McFarland's Help Center for Mathematics Students - Thomas McFarland, Department of Mathematical and Computer Sciences, University of Wisconsin System
McFarland's handouts for courses such as Finite Mathematics, Basic Algebra, Calculus, and The Logic of Chess. Interactive (JavaScript) self-tests or explorations cover integer and fractional exponents; factoring; reducing, adding, multiplying, and dividing
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- Road Sign Math - Jamie Thingelstad
"Driving + Math = Fun." A game to play on the road, identifying signs that suggest basic or advanced arithmetic, or that display constants, sequences, or primes. See digital photographs of actual street and highway signs that meet the "RSM" rules. Submit
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- Shelley's Mathematics Articles - Shelley Walsh
"Little self-contained articles [that] write up more than you can normally fit in a lecture, and ... hopefully put together enough explanation so that there's something for a great variety of different ways of thinking." Organized into Geometry; Analytic
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- Skill in Algebra - Lawrence Spector
An introduction to algebra, with questions that, when moused over, reveal their answers: algebraic expressions, signed numbers, adding and subtracting signed numbers, multiplying and dividing signed numbers, reciprocals and zero, removing grouping symbols,
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- Spy Guys: Online Elementary Mathematics Resource -- Mathematics 6 - LearnAlberta.ca
This Flash 5 site includes lessons (Decimals; Improper Fractions and Mixed Numbers; Ratio; Percent; Solving Problems with Decimals; Understanding Integers; Factors, Multiples, and Prime Factorization; Summarizing and Extending Patterns; Rounding Numbers;
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- themathlab.com
Playful, interactive student-made problems, games, drills, lesson ideas, tools, "magic," and more. Lessons include practice problems which, when solved correctly, generate passwords that grant access to "treasure rooms." Lesson ideas include Algebachee
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- Wired Math - Dean Murray, Soo Go, Jamie Pearson; University of Waterloo (Canada)
A free website created for students and teachers by a teacher for the University of Waterloo. The online games, drills, "follow up exercises," and answers
address topics common to middle grades on every continent. Also availalble from http://www.wiredmath.ca/
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