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All Sites - 4742 items found, showing 751 to 800
 Crafty Puzzles - James Cole, The Crafty Puzzles Company A U.K. establishment selling wooden puzzles of all sorts: jigsaw puzzles, puzzle boxes, brain teasers, models, and functional pieces. ...more>> A Crash Course in Symbolic Logic - D.J. Brasier; Math Forum, Ask Dr. Math FAQ Is symbolic logic so hard that some people will just never be able to get it? In a gentle introduction to the notation and rules of derivation used in symbolic logic, Dr. Achilles shows why the answer to that question is 'No'. ...more>> Create 2D and 3D gnuplot Graphs Input a function, vary parameters, plot 2D, 3D Surface, or 3D Contour, vary range displayed, and plot multiple functions at once. With help on various features, and links to graphing animated plots and varying the parameters. Part of the Shodor Educational ...more>> Create a Graph - National Center for Education Statistics (NCES) Create your own graphs online: bar graphs, line graphs, area graphs, pie charts, or XY graphs (line, bubble, or scatter plots from Cartesian coordinates). Enter your own data, choose your own labels, preview your work, then print or save your graphs. ...more>> A Creative Encounter of the Numerical Kind: A Webquest for Middle Grades Math Students - Alice Gabbard Students create their own numerals and base four number system for an alien civilization. This web quest features background and evaluation materials, links to state and national standards, and tips for teachers. ...more>> Creative Java Puzzles - J. L. Read, Enchanted Mind Games "good for exercising both sides of the brain." Knight's Tour: pass all the squares of the board with the knight, making only legal moves. Peg Solitaire: Remove all the pegs in the least amount of time, finishing with only one peg in the target hole. ...more>> Creative Problem Solving - Rob Eastaway Eastaway's "portfolio" of interests includes short descriptions of his school talks, newspaper articles, and books he has authored or co-authored, such as Maths for Mums and Dads, The Hidden Mathematics of Sport, How to Remember Almost Everything, Ever, ...more>> Crewton Ramone's Blog of Math - Crewton Ramone Ramone's blog, which dates back to July, 2009, has included posts -- many with video -- such as "Fractions Despite SPED," "Why Invert and Multiply," "4 Year Old Math Enrichment," "Fractions and Addends," "Fractions and Autism Do in Fact Mix," and "Fraction ...more>> Critical Evaluation Information - Kathy Schrock's Guide for Educators, Discovery School With the advent of the World Wide Web and the huge amount of information it contains, students need to be able to evaluate a Web page for authenticity, applicability, authorship, bias, and usability. To help teachers get students started with this process, ...more>> Critical Issues in Mathematics (NCREL) - Pathways to School Improvement Articles from the North Central Regional Educational Laboratory (NCREL). The Significance of the NCTM Standards; Ensuring Equity and Excellence in Mathematics; Locating, Using, and Integrating Internet-Based Mathematics Materials; Providing Hands-On, ...more>> Critical Thinking Books and Software Critical thinking books and software for home and classroom for use in mathematics, science, language arts, social studies, and more. Search for Content Area Mathematics from the classroom catalog or the home catalog. ...more>> Critical Thinking Puzzles - Eldhose Puzzles, logical thinking riddles, word problems in blog format. Comment with your solution and read others' workings. ...more>> Critic of Technology in Schools Faces Tough Audience - Pamela Mendels From the New York Times column on Education, an April 1998 report on public opinion of the views of Todd Oppenheimer (author of "The Computer Delusion", which apperared in the Atlantic Monthly magazine), from a public meeting concerning technology in ...more>> CROC'Sciences: le net.magazine de la pédagogie des sciences - P. Lambert Un mensuel faisant le tour des sites scientifiques d'intérêt pédagogique, soit pour la construction d'un cours, soit pour les élèves eux-mêmes. Chaque numéro comporte 6 catégories: Mathématiques, ...more>> Cross-Age Tutoring - Marah Fortson; Math Forum An annotated bibliography: articles to help teachers deal with a classroom of learners with different abilities, different strengths and weaknesses, who are at different levels academically, behaviorally, and socially. The task of the teacher is a challenge, ...more>> Crossnumber puzzle (figure logic) - Alfredo Baratta Cross figure puzzles to print or play online. Also known as figure logic puzzles, cross figure puzzles resemble crosswords in structure, but with entries consisting of numbers rather than words, and clues based on math questions, e.g., "1 Across: The ...more>> Cross Number Puzzles - Rainer Typke Cross number puzzles to solve online; log in to create your own. Also known as crossfigure, figure logic, or numberlock puzzles, cross number puzzles require numbers instead of words to complete a crossword-like grid. ...more>> Cryptarithmetic Puzzle Solver - Naoyuki Tamura Enter a cryptarithm or select an example, such as SEND + MORE = MONEY. Also, puzzle generators based on themes such as color names, fruits, vegetables, and numeral words in English, French, German, Spanish, and Italian. ...more>> Cryptarithms - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny Cryptarithms are brain teasers obtained when digits in numerical calculations have been replaced by letters. Customarily, distinct letters stand for different digits. Another term, Alphametics, denotes cryptarithms in which letters form meaningful words, ...more>> 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 ...more>> The Crypto Drop Box of the American Cryptogram Association - Jerry Metzger The American Cryptogram Association (ACA) is a nonprofit volunteer organization devoted to disseminating cryptographic knowledge. Members make up and solve their own creations strictly for the fun of it. Every two months, the ACA journal, The Cryptogram, ...more>> A Cryptographic Compendium - John Savard A book about cryptography with information about a large number of cipher systems and a limited coverage of cryptanalysis. It is mostly concerned with the various kinds of ciphers people have used and only mentions a few things about breaking ciphers. ...more>> Crystals: Crystallography & Systems - Suzanne Alejandre A Math Forum Web Unit. Students studying polyhedra enjoy seeing the structures as they occur in the real world. Crystalline structures can be categorized into seven crystal systems: see photographs of beautiful crystals or make paper models of crystals ...more>> CS Bits & Bytes - The National Science Foundation CS Bits & Bytes highlights innovative computer science research, often at the intersection with other disciplines, and includes profiles of the individuals in the field, links for further exploration, and interactive activities. Past issues of the ...more>> CSMC: Center for the Study of Mathematics Curriculum An NSF-funded project serving the K-12 educational community by focusing scholarly inquiry and professional development around issues of mathematics curriculum. Major areas of work include understanding the influence and potential of mathematics curriculum ...more>> CTAP Middle School Math Project - CTAP Region IV A database of online technology resources supporting California middle school math content standards for grades 6, 7, and algebra. Designed for use in classroom instruction or as homework helpers for students, the matrices resources align to state standards ...more>> The CTK Exchange - Interactive Math Miscellany and Puzzles, Alexander Bogomolny A page devoted to questions and answers concerning Bogomolny's pages and math in general. Postings are approved by Bogomolny, and usually answered by him, although they may be answered by the general public as well. Posting topics vary all the way from ...more>> CTK Math Games for Kids - Interactive Math Miscellany and Puzzles, Alexander Bogomolny This site presents a collection of Java-based interactive games and puzzles with mathematical contents and a few practice exercises disguised as games. Alexander Bogomolny, the site's author, writes, "There are a few games whose purpose is to allow for ...more>> Cube-It - Education Development Center, Inc. (EDC) A math group activity: you will need fifty cubes per group. Gather sugar cubes, wooden cubes, units from Dienes blocks or Cusinaire rods, or any manipulative that has a cubical shape. Students will: estimate the dimensions of the largest cube that can ...more>> Cube Roll - Cary and Michael Huang Use the arrow keys to steer a cube along a path of squares towards a final square. Each successive level poses new restrictions based on which faces of the block can or cannot roll onto the square path, making a game out spatial thinking of polyhedral ...more>> Cubes of Perfection - Ivars Peterson (MathTrek) ...Six is the smallest perfect number. Twenty-eight comes next. Its proper divisors are 1, 2, 4, 7, and 14, and the sum of those divisors is 28. Incidentally, if the sum works out to be less than the number itself, the number is said to be defective ...more>> Cubeworld - Hank Gross Cubeworld: an adventure in solid geometry. This book, with 21 illustrations by the author, is in the tradition of Edwin Abbott's classic Flatland and explores what might happen if the Earth were transformed into a cube. Gravity is different, rain falls ...more>> CUE (Computer-Using Educators) - CUE, Inc. A non-profit California educational corporation that supports an active membership of more than 10,000 professionals from within and outside California, in schools, community colleges, colleges, universities, related institutions, and related fields. ...more>> CueThink Makers of social, collaborative, interactive learning environments such as CueThink, a peer-to-peer iPad application for grades K-12. ...more>> 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 ...more>> Culturally Situated Design Tools: Teaching Math through Culture - Ron Eglash Java for creating your own Mangbetu design, cornrow curves, graffiti, bead looms, SimShoBan, Yupik star navigator, Yupik parka patterns, Pre-Columbian pyramids, and rhythm wheels -- and learning the mathematics behind them. Organized into African, African ...more>> CUNY Games Network - CUNY Academic Commons Blog about the pedagogical uses of both digital and non-digital math games, how they improve student success, and how they encourage research and scholarship in the developing field of games-based learning. Posts, which date back to July, 2011, have included ...more>> Curious and Useful Math - Clay Ford Tricks and rules for quickly calculating certain types of math problems, many from the 1888 book The Carpenter's and Joiner's Pocket Companion. Multiplication Tricks; Division Tricks; Squaring Tricks; Can it Divide...?; Age Math; Bible Numbers; Box Tricks; ...more>> Curmudgeon Blog by a veteran math teacher in Vermont who "believes that math should be taught, not collaboratively explored; algebra and geometry are better than a vague course of Integrated Math; spiraling doesn't work nearly as well as learning it properly the ...more>> Curricula, Lessons, and Activities - ARTSEDGE Annotated links on the Internet and additional offline resources highlighting lessons that interrelate the study of math with the arts. Organized into online curriculum, and related online resources of primary resources and indices. ...more>> Curriculum Development: NSF Awards - Mathematics Education at the Math Forum A list of math curriculum development projects constructed by means of a text search of the NSF awards database. Each link leads to an abstract of the project, stored at the NSF World Wide Web Server. The first two digits of the numbers that appear to ...more>> Curriculum Development Projects - Mathematics Education at the Math Forum The Math Forum's suggested sites on curriculum development in math education, including projects sponsored by the NSF and others. ...more>> Curriculum Guides: Math & Science - Star Tribune, Minneapolis/St. Paul, MN The newspaper provides students with opportunities to apply their math skills to real-life problems and to read up-to-date scientific information. Math You Can Bank on: real-life money and consumer skills; Mathematics in the News: from the simple calculation ...more>> Curriculum Issues - Beauregard Parish (Louisiana) Public Library Links to sites with information about the new New Math, whole math, whole language, and traditional curriculum resources ...more>> Curry K. Software - Curry Kenworthy Shareware for Education and Productivity: Pillbug Golf (Mac - learn about points, slopes, and angles while you putt); Snakey Math (Mac - the basic operations, arcade style); Galactic Geometry 3D (Windows - calculate volume and surface area of 3D objects ...more>> Curry's Paradox - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny A bewildering dissection paradox wherein recombination of 4 pieces cut of a rectangle produces a rectangle of a different size. Borders geometry and algebra. Accompanied by a Java illustration. ...more>> Curvature of Surfaces (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center If you take a flat piece of paper and bend it gently, it bends in only one direction at a time. At any point on the paper, you can find at least one direction through which there is a straight line on the surface. You can bend it into a cylinder, or into ...more>> Curves on Baseballs - Ivars Peterson (MathTrek) It's that time of year again (at least in North America), when the thoughts of many sports fans turn to baseball. Over the years, the game has also attracted the attention of mathematicians and statisticians intrigued by the rules, geometric considerations, ...more>> Cutting Corners - Ivars Peterson (MathLand) Go to just about any college campus or public park and you're bound to see two kinds of trails: "official" paths defined by paved or gravel surfaces and "unofficial" routes trodden into the grass or dirt marking where pedestrians have preferred to walk ...more>> CYBERCHASE Online - Educational Broadcasting Corporation (PBS.org) Companion site to CYBERCHASE, PBS's animated math adventure series, intended to foster math literacy and problem-solving skills for kids ages 8-11. Play interactive games or practice with tools such as the talking calculator, crack challenging puzzles, ...more>>
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