 Cmathématique  Téléfiction
Liens à consulter classés par sujet et par niveau; des problèmes du mois, un concours pour l'honneur dont les meilleures solutions de participants seront publiées sur le site; des capsules "crack" mathématiques offrant
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 CMP Software  Connected Mathematics Project, Michigan State University
Downloadable software designed to accompany CMP units. For the Factor Game winning strategies involve distinguishing between numbers with many factors and numbers with few factors; students analyze game strategies and are introduced to the definitions
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 CMP Unit Organizers  Art Mabbott
To introduce students to new units from the Connected Mathematics Project (CMP), Art Mabbott has developed a set of Unit Organizers. Adapting work done by B. Keith Lenz, of the University of Nebraska, Mabbott has also shared his MS Word documents with
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 CMS  Science Fair Page (Cyberspace Middle School)  Dr. Larry Dennis; Department of Physics, Florida State University
A page for students who are using the World Wide Web to gather information on science fair projects. It includes: a help desk; practical hints for selecting and completing a project; descriptions of possible science fair projects; planning a class project;
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 Coastal Computer Company
An educational software company. Math titles, AlgebraMAKER and MathMAKER, drill students in basic skills, explaining the solution to each problem. Samples of these programs are available for download.
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 The Coffeecup Caustic  Roy Williams
You are drinking from a cylindrical cup in the sunshine. Sometimes, when the sun shines into the cup, you can see a crescent of light as the sunshine reflects from the inside of the cup onto the surface of the drink. This Java applet illustrates the optics
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 Coffee Hour Problem of the Week  Matthew McMullen
Classic and "found" problems, as well as original challenges, in number theory, logical reasoning, statistics, calculus, geometry, and algebra. McMullen has posted PDFs of the PoWs, as well as their solutions, since 2007.
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 cognitive acceleration  Cognitive Acceleration Associates
Cognitive acceleration (CA) emphasizes "'big ideas' or organizing conceptual strands in mathematics, rather than procedures and algorithms." Published collections of math lessons include Thinking Maths, Primary Cognitive Acceleration through Maths Education,
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 Cognitive Apprenticeship (Learning and Mathematics)  Collins, et al.; Math Forum
In a chapter entitled "Cognitive apprenticeship: Teaching the crafts of reading, writing, and mathematics," in the 1989 book Knowing, learning, and instruction: Essays in honor of Robert Glaser, Allan Collins, of BBN Laboratories, and John Seely Brown
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 Coin Flip for Ben Franklin's 300th Birthday  The Franklin Institute
The Franklin Institute Online invites students around the world to help commemorate Ben Franklin's 300th birthday on January 17, 2006, by participating in a common scientific enterprise. Links on the page include: Practice Worksheet (in PDF format), Results
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 Coin Flipping  Ken White
A page that allows you to gather data on virtual coinflipping experiments. Includes access to data on past coin flipping and an article about coin flipping.
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 Coin Problems  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Tony has 11 more nickels than quarters. How many coins does he have if the total value of his coins is $2.65?
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 Coins and a Balance Scale  Bennett Haselton
You have twelve coins and a balance scale. One of the coins does not weigh the same as the other eleven, but you don't know if the odd coin is heavier or lighter than the others. How can you determine, in three weighings, which coin is the odd coin?
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 Coins, Art, and Math in North Bay  Ivars Peterson (MathTrek)
North Bay's Nipissing University hosted the annual meeting of the Ontario
Association for Mathematics Education, which attracted about 650 math teachers. As one of the featured speakers, I presented a talk on randomness. My examples included slot machines,
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 Collaborative Learning Discussion Archive  Math Forum
A special project hosted by the Math Forum, this discussion concerned collaborative learning, its definition, its effects on teachers and students, administration and assessment issues, and materials and resources. The discussion began as email conversations,
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 Collaborative Learning  Mathematics Education at The Math Forum
A collection of links to collaborative and cooperative learning resources on the Web, including articles, discussions, and teaching techniques that emphasize collaboration.
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 Collaborative Mathematics  Jason Ermer
Videos for connecting "a worldwide community of mathematical problem solvers" and "cultivating a productive attitude toward challenging problems: one of creativity, resourcefulness, selfconfidence, and perseverance." Two and threeminutelong challenges
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 Collaborative Maths Resources  Collaborative Learning Project
Freely downlaod PDFs of "talkforlearning" lesson plans such as "12 and 24 hour Card Sorting" (clock times), "Buy a Ted" (collect all the parts of a teddy bear, which introduces the concepts such as exact amounts and making change), "Factors Four in
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 A Collection of Assessment Strategies  Alaska Department of Education & Early Development
Each section of this page describes and analyzes a particular type of assessment strategy, then lists sources of further information. Following those discussions, samples show how each type of strategy might be used at various grade levels. The given
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 Colm Mulcahy
Blog by a recipient of the Mathematical Association of America's Allendoerfer Award for excellence in expository writing. Posts, which date back to October, 2012, have included "Weak Math? Try Math Week!" and "Oranges and Apples Comparisons: The Roots
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 Colorado Model Content Standards for Mathematics
A detailed description of the model content standards for mathematics that were adopted in Colorado in 1995. Standards are provided with an explanation, a rationale, and specific information about the expectations of students in grades K4, 58, and 912.
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 Colorful Mathematics  Claude Laflamme
An educational software series presenting advanced mathematical concepts to K12 students in a gameoriented approach. The five games offered use simple coloring and/or drawing techniques to illustrate mathematical concepts from graph theory. Downloadable
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 Coloring Penrose Tiles  Ivars Peterson (MathTrek)
One set of Penrose tilings consists of a pair of diamondshaped figuresone fat and one skinny. Attempts to color such Penrose diamond tilings led some people to conjecture that three colors suffice. Now, mathematicians Tom Sibley of Saint John's University
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 Columbus State University Math Contest  David Rock and Doug Brumbaugh, College of Education, Columbus State University
Problem of the Week, Algebra in Action, Middle School Madness and Elementary Brain Teaser  all available in "challenge" mode. Past problems are archived, with solutions available upon request.
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 Combinatorial Games  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A collection of interactive combinatorial games, many implemented in both normal and misère versions, including by Kayles, Nimble, and Northcott; variants of Nim, such as Wythoff's Nim; OnePile and TakeAway games; a subtraction game, a fraction
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 Comedy Tonight, Math Style!  Ivars Peterson (MathLand)
Edward Burger and Colin Adams aren't yet as well known as such famous comedy teams as Laurel and Hardy... but they are not only performers but also math professors at Williams College in Williamstown, Mass. They bring antic energy, slapstick humor, and
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 Common Core Math  New Jersey Center for Teaching & Learning
Freely downloadable teacherdesigned units consisting of one to two hundred Interactive White Board (IWB) presentation slides: each of grades K8, PreAlgebra (available in Spanish), Algebra I (available in Spanish) and II, Geometry, PreCalculus, AP
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 Common Core Online  Darren Burris
Articles on Common Core State Standards (CCSS) mathematics, dating back to December, 2011, as "scooped," or digitally curated, by a Boston, MA, teacher.
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 Common Core State Standards Initiative  Common Core State Standards Initiative
The Common Core State Standards aim to provide a consistent, clear understanding of what students are expected to learn, so teachers and parents know what they need to do to help them. The standards are designed to be robust and relevant to the real world,
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 CommonSense Questions (Learning and Mathematics)  G. Polya; Math Forum
In his 1957 book, How to solve it, Polya describes a fourstage approach to mathematical problemsolving. He bases his approach on commonsense questions that would naturally occur to an experienced problemsolver. Polya claims teachers should pose these
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 Communication and Collaboration  The Partnership for 21st Century Skills
This page details the communication and collaboration skills framework from P21, and links to additional resources: Web Index for Communication Resources (an online index of many communication related topics and resources), Engauge overview of communication
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 Commutative, Associative And Distributive Properties (SMILE)  James E. Breashears, Robeson High School
A lesson designed to teach students to compute expressions like (56 + a) + 4 and (50 * 7) * 2; to identify the commutative and associative properties; and to rewrite expressions by using the distributive property. From the Algebra and Trigonometry section
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 Comparative Chronology of Money  Glyn and Roy Davies
This site chronicles monetary history from ancient times to the present day. The information presented is based on the book, "A History of Money." The timeline starts from 9000 BC and goes through 2002 AD.
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 Comparing Fractions  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about comparing fractions, putting them in order, and defining equivalent fractions.
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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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 Complexification  Jared Tarbell
View interactive, open source Java applets of fractals and other mathematically significant graphics.
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 Compound Interest to e and i  Don Cohen (The Mathman)
Graphing and exploring simple interest and compound interest. Examples of interest earned on one dollar at 6 percent compounded daily, monthly, quarterly, annually. Patterns, infinite sequence. Sample problems with some answers from Chapter 11 of Don
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 A comprehension tool for mathematics?: the Math Forum @ Drexel's Online Mentoring Guide  Renninger, Ray, Luft, and Newton
Two studies of the Math Forum's Online Mentoring Guide (OMG) address whether and how online comprehension tools might support mathematics learning. In Study 1, the culture of the preservice teachers' (PTs') mathematics classroom and their work with the
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 Computer Algebra Information Network (CAIN)
A server providing information about Symbolic and Algebraic Computation, set up by the European SAC (Symbolic and Algebraic Computation) Network. The site maintains bibliographies, supports electronic newsletters, and announces current conferences, software
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 Computer Art and Tessellations  Hans Kuiper
A site about tessellations (tiles, tessels or regular patterns), infinity pictures, optical art, Islamic art, optical illusions, auto stereograms, company logos, quilt patterns and palindromes. Figures, patterns, textures and wallpaper drawings inspired
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 The Computer Delusion  Todd Oppenheimer, The Atlantic Monthly magazine
A July 1997 article critical of the effects of the classroom use of computers.
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 Computer Generated Art Gallery  Tom Ellis
Original computergenerated fractal images. Mandelbrot Sets; Mandelbrot zoom rendered onto a sphere.
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 Computer History Museum
The Computer History Museum presents and preserves for posterity the artifacts and stories of the information age. Exhibits include histories of the Internet and of computer chess; and a working model of the Babbage Engine, first undertaken by that mathematician
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 Computers and Internet : Hardware : Calculators : Hewlett Packard  Yahoo
Yahoo's Web page of sites having to do with HP Calculators.
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 Computer Science Education Week  National Computer Science Education Week
The materials from Computer Science Education Week inspire exploration of the field any time: defining documents; posters, brochures and kits; reports and presentations; data/computer science facts; curriculum; programs and ideas; videos; and contests.
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 Computer Science Unplugged  Tim Bell, Ian H. Witten, and Mike Fellows, University of Canterbury, New Zealand
A free collection of activities designed to teach the fundamentals of computer science without requiring a computer. Because they're independent of any particular hardware or software, Unplugged activities can be used anywhere, and the ideas they contain
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 Computers, Free Will, and Marching Ants (Math Chat)  Frank Morgan; Christian Science Monitor
Is it logically possible for a computer to have free will?
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 Computer Software for Math Education  Math Forum
The Math Forum's page of suggested archives for downloading mathematics software.
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 Computer Solution Central
Shareware games for Windows machines and PDAs. Includes a free solitaire game, educational games focusing on addition and multiplication, and a date calculator.
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 Computing Before Computers  Brian Borchers, New Mexico Institute of Mining and Technology
Online introductions, with PostScript or PDF downloads, of Napier's Bones and of the GenailleLucas Rulers. Pictures of statistical computing devices such as the Pickett N525ES Statrule, the cumulative binomial probability computer, the General Dynamics
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