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 Continental Mathematics League (CML) Information about the Continental Math League, including samples and solutions from CMLs for grades two and three, Pythagorean for grades 4-9, Euclidean for grades 4-9, and calculus. Also, order Best of CML books containing questions, and obtain the competition's ...more>> Continued Fractions, Infinite Continued Fractions, and Iteration - Don Cohen, The Mathman Ten different ways to solve a quadratic equation - an area of mathematics with applications to population increase, finding the square root of a number, chaos theory, and fractals. Sample problems from Chapter 8 (Solving Equations and Iteration) of Don ...more>> Contrasting Cases - Star, Jon R.; Rittle-Johnson, Bethany; and Newton, Kristie J. Evaluating the value of students explaining contrasting examples. With funding from the Institute for Education Sciences and the National Science Foundation (NSF), this project compared learning from contrasting examples to learning from sequentially ...more>> Conundrum Corner - UselessKnowledge.com Math puzzles to solve, get the answers to, or send to friends. Also, Visual puzzles, Thinking puzzles, and other conundra. ...more>> Conversation about A Beautiful Mind, with Sylvia Nasar and Dave Bayer - archived by the Commonwealth Club of California A conversation with Sylvia Nasar (biographer of John Nash) and Dave Bayer (math consultant on A Beautiful Mind). Streaming audio of event sponsored by MSRI that took place May 2002. ...more>> Conversion Factors - Washington State Department of Transportation Conversion tables between U.S. customary units and SI (International System) units. The proper conversion procedure is to multiply the specified value on the left (primarily U.S. customary values) by the conversion factor exactly as given below and then ...more>> Conversion Page - Keith Hooker Convert to and from U.S. fluid/dry and metric measures: quarts, cups, teaspoons, gallons, fluid ounces, tablespoons, liters, milliliters; pounds, ounces, grams, kilograms. ...more>> Conversion Program - Lawrence Goetz A page that uses JavaScript to convert temperature between Fahrenheit and Celsius, length among inches, centimeters, feet, yards, meters, miles, and kilometers; weight among grams, ounces, pounds, and kilograms; and volume among fluid ounces, cups, pints, ...more>> ConvertAuto.com - Lilly Hammond JavaScript calclulators for instant online conversions: angles; area; cooking, such as teaspoons (tsp) and quarts (qts); foreign currencies; density; energy; force; frequency; fuel economy, such as miles per gallon (mpg); length; power; pressure; speed; ...more>> The Converter Site - Alastair Hazell A user friendly metric and imperial converter tool. Converts length, area, weight, speed, temperature, time, energy, force, length, mass, power and currency. ...more>> Converting Celsius To Fahrenheit (SMILE) - Amaechi Onyeali, Carter Elementary School A lesson designed to teach students to solve multiple-step equations involving addition, multiplication, and division; convert a known temperature in celsius to an equal temperature in fahrenheit; and accurately read a thermometer in degrees celsius. ...more>> Converting Fractions to, from Decimals - Math Forum, Ask Dr. Math Common Question A selection of answers to questions about converting fractions to decimals and back, including how to convert repeating decimals to fractions. ...more>> Converting Inches to Miles - NASA Lewis Learning Technologies Project The scale on a road map is 1 inch = 250 miles, how many inches would represent 1250 miles? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Converting Tons to Pounds - NASA Lewis Learning Technologies Project A loaded moving van weighs 5 tons. How many pounds would 10 loaded moving vans weigh? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Convert It! - Micro Images Internet Services Conversion tables: enter a number and convert from one unit to another: acceleration, area, energy/work, power, length, mass, metrology, pressure, temperature, volume, U.S. fluid/liquid, and velocity conversions are all possible. ...more>> Convert-me.com - Mariya Voznesenskaya and Sergey Gershtein Online converter of areas, capacities and volumes, circular measures, computer storage, currencies, distances and lengths, energy and work, fuel consumption, power, pressure, speed, temperatures, time, torque, weights and masses. Convert-me.com offers ...more>> Cool Cosmos - Education and Public Outreach Group, Infrared Processing and Analysis Center and the SIRTF Science Center To communicate the world of infrared astronomy to the public, the Cool Cosmos web site offers: classroom activities; infrared light lessons; infrared astronomy tutorial and timeline; multiwavelength astronomy; Ask an Astronomer; Cosmic Kids; image galleries, ...more>> coolmath.com: Cool Math - Karen A searchable "amusement park of mathematics" for exploring math: functions, tessellations, polyhedra, limits, logs, fractals (with galleries), puzzles and problems, fun with numbers, how to succeed in math, careers in math. Also Cool Links for Math for ...more>> Cool Math Dudes - ThinkQuest 1996 Problems to explore, with solutions: Investment Inquiry; Circle Selections; The Beginning of Breanna; Matrices Mayhem; Breanna Returns.... With a Watch; Roots of Algebra; Breanna's Chess Companions; Squares of All Shapes and Sizes (well, not of all shapes); ...more>> Cool Math Guy - Dana Mosely Watch math lessons delivered by a video instructor for several textbook publishers. Topics range from arithmetic to several variable calculus, and include review for the standardized tests such as the SAT and ACT. Also, play games that involve matching, ...more>> Cool Math Lessons - Ken Abbott A blog of "simple ways to teach and think about mathematics." Posts, which date back to April, 2010, have covered zero, prime decomposition, fractions, functions, and creating mathematics. ...more>> Cool Math Sites - Nina Heal A links list in the following categories: puzzles, algebra, geometry, calculus, discrete math, statistics and probability, trigonometry and pre-calculus, books and reference, calculators and other technology, data, history, other links sites and internet-based ...more>> Cool School Tools - Tim Fahlberg Shockwave whiteboard movies on algebra, geometry, probability, statistics, the mathematics of finance, and more. A whiteboard movie (WM) is a multimedia screen recording of writing on an electronic whiteboard (real or virtual) with or without voice and/or ...more>> Co-op City - Peter Barricelli A classroom project involving the construction of scale models of buildings and towns. In addition to teaching ratio and proportion, the process introduces the students to blueprint and CAD (Computer Aided Design) programs. ...more>> Cooperative Learning - Classroom Compass The fall 1994 issue of Classroom Compass looks at some aspects of cooperative learning and ways it can be implemented in the classroom. Two instructional activities, one providing suggestions for elementary students (Pumpkin Exploration) and one for higher ...more>> Coordinates and similar figures - Mark Motyka, Math League Multimedia Definitions and illustrations: What is a coordinate?; Similar figures; Congruent figures; Rotation; Reflection; Folding; Symmetric figure. ...more>> Coping With Math Anxiety - B. Sidney Smith, Wendy Hageman Smith; Math Academy Online/Platonic Realms A "mini-text" concerning the potentially disabling fear of math. This site defines math anxiety, discusses its social and educational roots, addresses some widespread myths about math and learning math, and deals with possible strategies for overcoming ...more>> CopyCat - Jim Morey A Java game that revolves around replicating a picture created by several patterned faces of a solid object (like a cube), challenging the mind to understand complex geometrical structures and symmetry. To do well at the game, the player must first become ...more>> Copyu - Equation and Data Plotting - October Pen Educational Software Coypu is an equation and data plotter designed to encourage exploration of data and to develop interpretation skills. Coypu plots Cartesian, polar and parametric equations; produces scattergrams and simple line graphs from data files; allows combinations ...more>> Corbettmaths - John Corbett Hundreds of videos, "5-a-day" and other worksheets, practice papers, practice questions, revision cards, conundrums, quizzes, and more by a Somerset (U.K.) mathematics teacher. ...more>> Core Concept: Comprehensive Assessment - Edutopia The George Lucas Educational Foundation's compilation of resources on assessment in education, including videos, real-life examples, blog posts, articles, and interviews. ...more>> Corner for Interactive Geometry Software (CIGS) - The Math Forum The main Math Forum page for resources devoted to the support of teaching with geometry software, especially dynamic, interactive software such as Cabri Geometry and the Geometer's Sketchpad. Instructional activities and lessons to read on the Web or ...more>> Cosmeo - Discovery Education, Inc. Homework help from the Discovery Channel. Browse math help by topic to watch math Flash videos (many with closed captioning), read articles, play "brain games," and more. Walk through your math problem with WebMath. Cosmeo's video library has more than ...more>> Cost-Of-Living Calculator, Percent Change Calculator - NewsEngin Inc. The cost of living utility converts dollar values, adjusting for inflation. Find the buying power of dollar amounts dating back to 1957, according to a national U.S. city average, urban regions, or metropolitan areas, as based on the historical Consumer ...more>> Council of Presidential Awardees in Mathematics (CPAM) An organization whose members are recipients of the Presidential Award for Excellence in Mathematics Teaching, a program established in 1983 by The White House and sponsored by the National Science Foundation (NSF) to identify outstanding science and ...more>> Countdown - Dr. Diane Schiller, School of Education at Loyola University This site contains over 500 online math videos that cover a wide range of math topics. Many videos have accompanying printable activity sheets. The movies are organized by standard math categories on the homepage and alphabetically in the index. There's ...more>> Countdown! - Objective Consulting Inc. (OCI) Calculate the number of seconds between any two events: find out how long it will be until the millennium, until your birthday, or simply how long you have been alive. Answers are also expressed in days, hours, and minutes. ...more>> The Counterfeit Coin - Ivars Peterson (MathTrek) The classic puzzle of the counterfeit coin has long served as a stiff test of one's reasoning power and ingenuity. In its standard form, the problem concerns 12 coins identical in size, shape, and appearance. One coin, however, is counterfeit, having ...more>> Counting by Twos - Ivars Peterson (MathTrek) How much is a megabyte? Many people don't really know. The problem originated decades ago when computer professionals noticed that 2^10 is very nearly equal to 1,000, and they began using the metric prefix "kilo" to mean 1,024. That was okay when computers ...more>> Counting Cards - Chris Taylor A teaching aid that uses simple graphic designs on cards to represent different place values and numbers, from 1 up to one million, for teaching addition, subtraction, multiplication, division, and place value concepts. The site offers a teachers guide, ...more>> Counting: The Beginning of Mathematics - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny An introduction to and a detailed description of the process of counting, with applets for exploring addition, multiplication, and division. ...more>> Counting to Calculus: Mathematics - William K. Bradford Publishing Co. Math software, printed supplements, workbooks, textbooks, posters, and teacher tools available for Elementary, Middle and Secondary math curriculum. ...more>> Count Madness Number Puzzles - James E. Garner Cards with questions covering a wide range of subjects, each of which can be answered with a counting number. Answers are upside-down on the card. Examples and ordering information provided on site. Teacher's copy available. ...more>> Count On - Department for Education and Employment, UK Activities and resources -- some simple and some fancy -- for parents, teachers, and students. Resources offers, among other things, guides: to mathematical misconceptions; for parents helping with homework; for promoters of math fairs; and for providers ...more>> Cours de Maths de Collège Pour les Professeurs - Jean Goujon Les chapitres d'un cours de niveau sixième; et des progressions des niveaux sixième, cinquième, quatrième, et troisième. ...more>> Course Project Suggestions (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center An list of suggestions for projects in geometry, topology, symmetry, making geometric solids, calendars, spherical and hyperbolic trigonometry, puzzles, models, etc. Projects were to be exhibited at the Geometry Fair at the end of the course. ...more>> CourseServer - Jud Cornish; Fairbanks Country Day School, San Diego, CA A Web-hosted math problem generator that allows you to select from thousands of different problem types and automatically generate problem-and-answer worksheets in your browser that can be printed out. Choose from a list of courses from Grade 1 (beginning ...more>> Covering Up (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids) Have you ever wondered why the cover of a manhole is nearly always round? Why couldn't it be oval or square? The usual answer is that a circular lid, unlike a square or an oval cover, won't fall through the opening, but the circle isn't the only shape ...more>> CPO Online - Cambridge Physics Outlet A company founded by teachers and scientists that creates hands-on equipment and curriculum for teaching science, math, and technology from grades 4-12 and beyond, and provides effective professional development in science and math that is both content ...more>> Cracking a Medieval Code - Ivars Peterson (MathTrek) The first printed book on cryptology was written by Johannes Trithemius (1462-1516), an abbot in Spanheim, Germany, who was one of the leading intellectuals of his day. Bearing the title Polygraphiae libri sex ("Six Books of Polygraphy"), it was published ...more>>
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