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  All Sites - 1811 items found, showing 251 to 300

  1. 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 ...more>>

  2. Computational Geometry - Joseph O'Rourke
    Computational Geometry is concerned with designing algorithms and computer programs to perform geometric computations. A need for such computations arises in many fields: computer graphics, robotics, pattern recognition, geography, manufacturing, etc. ...more>>

  3. Computers, Free Will, and Marching Ants (Math Chat) - Frank Morgan; Christian Science Monitor
    Is it logically possible for a computer to have free will? ...more>>

  4. Conceptual Learning Materials - Conceptual Learning Materials, Inc.
    Support materials intended to reinforce basic math concepts. Materials for teachers as well as students. ...more>>

  5. Connected Curriculum Project (CCP) - Moore, Smith; Duke University
    The Duke component of a coordinated effort to create interactive learning environments for a wide range of mathematics and mathematically based applications, combining the flexibility and connectivity of the Web with the power of computer algebra systems. ...more>>

  6. Connected Mathematics Project Sketchpad Activities - Nathalie Sinclair, Michigan State University
    Worksheets, sketches, and teacher notes for the Connected Mathematics Project curriculum (CMP). Developed by researchers from Michigan State University and KCP Technologies, who have surveyed Years 6 and 7 of CMP. Use the link at the bottom of the page ...more>>

  7. Connecting Geometry - Cathleen V. Sanders
    A fully credited high school distance learning geometry course offered via the Internet to students throughout the Hawaiian islands as part of a grant-funded pilot project through the Hawaii Department of Education. During this E-School (electronic school) ...more>>

  8. 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>>

  9. 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>>

  10. Continuous Everywhere but Differentiable Nowhere - Sameer Shah
    Blog by a high school math teacher in Brooklyn (NY), beginning shortly before teacher training and orientation, upon realizing that the textbook "completely limits me as a teacher and as a creative person" and who subsequently sets out to "design clear, ...more>>

  11. 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>>

  12. 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>>

  13. 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>>

  14. 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>>

  15. 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>>

  16. 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>>

  17. Count Down to Fall - Fran Hawk, Sherry Neidigh (ill.)
    Seasonal counting fun with this picture book. This title also includes the Sylvan Dell “For Creative Minds” section with lessons like “Plant Parts,” “The Shape of It All,” and “Match the Leaves.” Check out all these activities at the book homepage, along ...more>>

  18. 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>>

  19. The Counting Game - Chris Malumphy
    A game for children starting to count, showing a number of objects and asking you to click on the correct number button. A thermometer graphic tells you when you have correctly answered ten questions. ...more>>

  20. Counting Hamilton Cycles in Product Graphs - Frans Faase
    Exploration of Hamilton paths through a program which draws a snake that starts at one place in a box, and then extends itself until it cannot go further, after which it shrinks again, to seek another path. The author coded these snake programs in Fortran, ...more>>

  21. 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>>

  22. Count Mathula - Michelle Anderson
    Worksheets for Anderson's Algebra III and Trigonometry classes, available as MS Word downloads, editable using MathType, and also as PDFs: functions, complex numbers, trigonometry. Resources include pre-made graph paper in PDF format to download. ...more>>

  23. 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>>

  24. 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>>

  25. The Cow in the Classroom - Ivars Peterson (MathLand)
    Math Curse by Jon Scieszka and Lane Smith spoofs the types of word problems that educators and textbook writers invent to dress up arithmetic exercises and, supposedly, to demonstrate the relevance of math to everyday life. Canadian economist and humorist ...more>>

  26. 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>>

  27. Cracking the Myth of Ball Control - Ivars Peterson (MathLand)
    Ball control has become common practice in a number of sports. In basketball, for example, coaches often urge their teams to slow down a game at certain times or to control its tempo. In professional football, "time of possession" has become a statistic ...more>>

  28. 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>>

  29. 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>>

  30. 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>>

  31. Cryptarithms Online - Jorge Soares
    Mathematical puzzles in which the digits are replaced by letters of the alphabet or other symbols. Brain-teasers by the author; cryptarithms from the journal Sphinx; a primer; books on cryptarithms, and links to relevant sites on the Web. ...more>>

  32. 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>>

  33. 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>>

  34. Cryptography - Corey Reed
    An introduction to cryptography, in particular affine enciphering applied to the alphabet, focusing on the use of linear algebra. Includes a primer on bases and modulus algebra and extensions for deciphering an affine enciphered message, using keys to ...more>>

  35. 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>>

  36. C.T.J. Dodson - Christopher Dodson
    Dodson provides notes and Maple or Mathematica packages for many different mathematics courses, including algebra and pre-calculus, calculus, differential equations, using computers for mathematics and statistics, and an introductory course on curves, ...more>>

  37. 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>>

  38. 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>>

  39. The Curious Creative: Maths - Tom Barrett
    Blog by a former teacher and ICT Subject Leader. Barrett's math posts, which date to back to July, 2006, have included "Addressing the Balance: Multiflyer Times Tables Challenge," "Using Nintendo Wii Sports for Addition and Subtraction," "My Maths Lesson ...more>>

  40. The Cutting Sticks Problem - Frans Faase
    A classic math puzzle: You are given k sticks with integer length of which the total length of sums up to n(n+1)/2. None of the sticks is shorter than n. Can you always cut them into sticks with length 1, 2, up to n, no matter the number of the sticks ...more>>

  41. 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>>

  42. The Cyclotomic Fields Virtual Study Group
    A group of people studying L. Washington's book Introduction to cyclotomic fields. Download solutions to the book's problems in DVI format, or read the list of errata. ...more>>

  43. CyMath
    Step-by-step typeset results in differential calculus, integral calculus, algebra, and trigonometry. Just key in your expression or equation — or modify one of CyMath's examples — then select from among eight actions in the pull-down menu: ...more>>

  44. Dad's Worksheets - Dad
    Dad's Worksheets is a site with strategies and free printable practice worksheets (including answer keys) for elementary math operations. ...more>>

  45. Daily Desmos - Anderson, Dan; Fenton, Michael; and Lanier, Justin
    A daily challenge to reproduce a given graph using Desmos or some other graphing calculator. Teachers Anderson (NY), Fenton (CA), and Lanier (NY) rate the plots by difficulty. Also available from http://dailydesmos.blogspot.co.uk/. ...more>>

  46. DA Information - David Hoffman
    An introductory course in decision analysis, with lecture notes and instructions for projects. ...more>>

  47. Data Games - KCP Technologies
    As students play Data Games, they generate data that they must analyze to win the games. Supporting materials include a student worksheet; teacher guidelines that correlate the activity to the Common Core State Standards for Mathematics (CCSSM); and videos ...more>>

  48. DAU Math Refresher Tutorial - George Mason University
    An interactive tutorial that uses a subway map as a metaphor for moving through the lessons, giving a comprehensive view of basic mathematics, covering arithmetic, fractions, exponents, logarithms, quadratic equations, series, functions, limits, domains ...more>>

  49. David Eppstein's Teaching - David Eppstein
    Archives of Information and Computer Science courses in computational statistics, computability, design and analysis of algorithms, computational geometry, game programming (Java versions of mancala, othello, and fanorona), graduate data structures, computational ...more>>

  50. David Goodman's Math Links - David Goodman, editor
    Link listings for a variety of topics, organized by those topics. ...more>>

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