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- A+ Math
A site developed to help elementary school students improve their math skills interactively, offering: educational math games (learn basic operations and geometry by playing MATHO - bingo and math combined; Hidden Picture; and Concentration), Web flash cards for practicing rounding, area, square roots, inequalities, fractions, counting money, geometric shapes; and Homework Helper, which lets you enter your addition, subtraction, multiplication or division problem and your answer, then checks to see if it's correct. Also Advanced Problems which allows you to select the kind of problem you want to practice and checks your answers.
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- K-12 Teaching Materials (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
An extensive list of Internet sites with significant collections of materials that can be used in the teaching of mathematics at the K-12 level. Organized into categories: lesson plans, schools, software and other K-12 Internet math sites.
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- Mathematics Problem Solving Task Centres (PSTC) - Mathematical Association of Victoria, Australia
A site devoted to all aspects of math problem solving. Includes problems of the month for lower primary, upper primary / lower secondary and upper secondary students; also a "Challenging problem of the month." All have archived solutions. An e-mail list helps teachers and students communicate about problem solving. Links to other problem-solving sites, and an extensive reference section.
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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 Pre-Algebra, Algebra, Geometry, Algebra II, and Pre-Calc/Calculus, designed assuming you know some of the basic concepts but need reinforcement, or want to review things you learned in the past. Interactive resources include a message board, calculus board, formula database, quizzes, math links, and a place to send feedback.
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- Monthly Themes - NRICH Maths, Univ. of Cambridge
Past problems from the NRICH Online Maths Club, archived by month. Each problem has a symbol indicating the stage, which tells you how little or how much mathematics you need to know to solve the problem but is no indication of its difficulty. The five stages correspond to ages 5-7, 7-11, 11-14, 14-16 and 16-18, and indicate that students in the UK normally meet the maths required during that key stage.
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- problemcorner.org - Mark Bowron
An online reference to mathematical problems, comprising a searchable database of 20,000+ math problems from journals and contests including the American Mathematical Monthly, Journal of Recreational Mathematics, Mathematical Questions and Solutions from the Educational Times, and several national and international mathematical olympiads. Search for problems by keyword, source, problem number (requires publication source), year, proposer, solver, or author; or request a randomly-served problem. Search or view comments, search commenters, and post your own comments on problems. Contribute problems through the Web site or by email. The site also outlines technical details of database publishing with TeX. Compiled by MathPro Press and located in the Department of Mathematics and Statistics at the University of Missouri - Rolla.
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- Problem Solving in Mathematics - Jim Wilson; Univ. of Georgia
Problems in algebra, geometry, conversion, cryptarithm, "mean," trigonometry, and a mixture of all, many with comments and solutions, from a course given in the Dept. of Mathematics Education at the University of Georgia. The site also provides links to papers, including "Mathematical Problem Solving" (Wilson, Fernandez, & Hathaway), a synthesis of research on problem solving [published as ch. 4 in Wilson, P. S. (Ed.) (1993), Research Ideas for the Classroom: High School Mathematics, New York: MacMillan].
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- Trigonometry (S.O.S. Mathematics) - Dept. of Mathematical Sciences, Univ. of Texas at El Paso
An online course: learning units presented in worksheet format review the most important results, techniques and formulas in college and pre-college trigonometry. Trigonometry: Angle Measures, Trigonometric Functions (magic identity, Addition Formulas, Double-Angle and Half-Angle Formulas, Product and Sum Formulas), Trigonometric Equations, Table of Trigonometric Identities. Hyperbolic Trigonometry: Hyperbolic Functions, Inverse Hyperbolic Functions.
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- WIMS (WWW Interactive Mathematics Server) - Université de Nice - Sophia Antipolis
Interactive mathematical applications, also available in French, with documentation. The server's exercises and programs are designed to find a polynomial with given values; find the Taylor expansion of a function; find a polynomial from its curve; given function and epsilon, find delta (on the definition of continuity); and find the root of a function by successive tests. Mathematical tools will: expand a real number into a continued fraction; factor integers, rational numbers, polynomials, and rational fractions; calculate one-variable functions (Integrals, limits, roots...); calculate determinant, inverse, eigenvectors... matrices; and solve linear systems, including systems with parameters. Also a visual exercise on the definition of maps (Javascript), exercises on minima/maxima, and a mathematical puzzle based on finite fields. These materials could be useful in a U.S. pre-calculus course.
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The Math Forum is a research and educational enterprise of the Drexel School of Education.