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  All Sites - 10690 items found, showing 10401 to 10450

  1. What Is Your Answer to That Question? - Cut the Knot!, Alexander Bogomolny, with Don Greenwell
    The question - Why study mathematics? - appears in a multitude of guises and a plethora of variants... Mathematics is often compared to art. Like literature, mathematics has metaphor, ambiguity, paradox, and mystery. It has history. Mathematics has contributed ...more>>

  2. What kind of math? Photo Challenge - Kathryn Mann
    Pictures of math graduate students with word-bubbles showing "the kind of math that's right" for them. Submit your own group snapshots and subfields. Inspired by an observation that a flyer from the American Mathematical Society (AMS) reinforced sexist ...more>>

  3. What Moves U Campaign - American Heart Association; National Football League (NFL)
    A national campaign to inspire middle school students to become more physically active. What Moves U provides curriculum-based activity sheets that can be incorporated into lesson plans for 5 core subjects: math, science, social studies, language arts, ...more>>

  4. What on Earth is a Logarithm? - Peter Alfeld, University of Utah
    An understanding-based approach to powers and logarithms, with a link to a special example: how to convert a logarithm with respect to one base to a logarithm with respect to another base; and a Java applet logarithm calculator. ...more>>

  5. What's Going On During Mathematics Awareness Month - Keith Devlin (Devlin's Angle)
    "This year's theme is mathematics and biology. Two important examples of how mathematics is used in biology are: in developing computer models of the human heart, which are helping us to understand how the heart works and, more importantly, how it goes ...more>>

  6. What Should I Look For in a Math Classroom? - Mathematical Sciences Education Board (MSEB)
    A set of practical guidelines, with explanations of their relevance. From the Mathematical Sciences Education Board of the National Research Council. ...more>>

  7. What's My Area? (SMILE) - Karen L. Mickel, William Carter Elementary School
    An elementary lesson designed to teach students to cover an area with uniform tiles and count the number of tiles needed; recognize rectangles, triangles and squares; and review basic colors. From the Geometry and Measurement section of a collection of ...more>>

  8. What's New at the Zoo? - Suzanne Slade, Joan Waites (ill.)
    A picture book featuring counting and animal facts. Book available in hardcover, paperback, and eBook. Free educational resources on the Sylvan Dell website include Teaching Activities, Math/Reading Comprehension Quizzes, Related Website Links, and English ...more>>

  9. What's New - Terence Tao, UCLA
    Updates on Tao's research and expository papers, discussion of open problems, and other maths-related topics. Blog posts, which date to February, 2007, have included "Riemannian manifolds and curvature" and "Sailing into the wind, or faster than the wind" ...more>>

  10. What's Noteworthy on Learners, Learning & Schooling - Mid-continent Regional Educational Laboratory (McREL)
    "The major challenges for educational reform today are putting the pieces together to create sustainable systemic change and scaling up systemic reform to encompass all schools, all programmatic areas, all levels of schooling and diverse social contexts." ...more>>

  11. What's Sophisticated about Elementary Mathematics? - Hung-Hsi Wu
    "The characteristics of coherence, precision, and reasoning are not just niceties; they are a prerequisite to making school mathematics learnable." In this American Educator article originally published Fall, 2009, the author goes on to unpack whole number ...more>>

  12. What's Special About This Number? - Erich's Puzzle Palace; Erich Friedman
    A list of the integers from zero to 9,999, each annotated with one significant mathematical property and color-coordinated by that property's category. ...more>>

  13. What's the City Mileage of a Typical American Car? (MSTE) - Ed Malczewski; University of Illinois at Urbana-Champaign (UIUC)
    Analyze the data and find an average for the mileages of American cars. A problem like this can sometimes involve difficult and time-consuming statistical analyses, but in this lesson you will explore a method of analysis called the bootstrap that will ...more>>

  14. What's the Problem? Geometry & Art through the Ages - Indianapolis Museum of Art
    An exhibit exploring how some artists have used geometry as a creative tool. The site is divided into three topics: lines, polygons, and volume. Also provided as links from the left sidebar are a glossary and a list of references for further reading. ...more>>

  15. what's your favourite number? - Alex Bellos
    Enter your favorite number and the reasons for your choice. Part of a research project concerning how humans relate to numbers, this international survey is being conducted by Alex Bellos, author of Alex's Adventures in Numberland and Here's Looking At ...more>>

  16. What the Heck are Logarithms? - William Park
    A paper designed to help college freshmen develop an intuitive understanding of what logarithms are and how to use them. Problems to be worked without using a calculator. ...more>>

  17. What the Media Look for in a Math Story - Kathleen Holmay
    A summary of comments by Shirish Date, Reporter, Orlando Sentinel; Samantha Eaddy, Public Information Officer, U. of Central Florida; and Keith Devlin, Saint Mary's College, Moraga, CA. A discussion organized by Richard H. Herman and Kathleen Holmay of ...more>>

  18. What Will Be the Effect of a Standards-based Education on College Students? - Judith Roitman
    This article, by Judith Roitman of the University of Kansas, appeared in the April 1995 FOCUS, the newsletter of the MAA. Among other things, Roitman discusses the need for dialog between K-12 teachers and their college counterparts, and difficulties ...more>>

  19. What Work Requires of Schools - Secretary's Commission on Achieving Necessary Skills (SCANS)
    The Secretary's Commission on Achieving Necessary Skills (SCANS) was asked to examine the demands of the workplace and whether today's young people are capable of meeting those demands as they enter employment. In carrying out this charge, the Commission ...more>>

  20. What Works Better than Traditional Math Instruction - Alfie Kohn
    Chapter 9 from Kohn's 1999 book The Schools Our Children Deserve contains the subsections "Why the Basics Just Donít Add Up," "Math Worth Doing," and "Inventing Facts," as well as an appendix entitled "The Hard Evidence: Math Results." ...more>>

  21. What Works Clearinghouse
    Reviews of the effectiveness of educational intervention programs, products, practices, and policies. Among other curricula, the WWC has reviewed studies of the Middle School Math Curricula interventions Cognitive Tutor, Compass Learning, Connected Mathematics ...more>>

  22. Whelk-Come to Mathematics: Using Rational Functions to Investigate the Behavior of Northwestern Crows (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation in which students use rational functions to explore the possible reasons behind the observation that northwestern crows consistently drop a type of mollusk called a whelk from a height of 5 meters. ...more>>

  23. When Am I Going to Use This? - Column Five Media
    This graphic plots popular career choices on axes of "number of math concepts" and "median average salary" to illustrate the basic math, algebra, geometry, or trigonometry required of athletes, cosmetologists, carpenters, pilots, psychologists, lawyers, ...more>>

  24. When Is Easter? - Jim Loy
    "Easter is my favorite holiday, because of the bizarre way in which its date is determined. When is Easter? Here is how you can answer that question..." (Easter is the next Sunday, after the Paschal Moon date.) ...more>>

  25. When mathematics has to be theater - Keith Devlin (Devlin's Angle)
    A mathematician's entry into the world of commercial multimedia - the creation of an interactive calculus textbook on CD-ROM. ...more>>

  26. When mathematics is plain sailing - Keith Devlin (Devlin's Angle)
    In the ocean waters off New Zealand, an intense mathematical olympiad has just begun: The America's Cup - a yacht race, the premier international event in ocean sailing. Competition is fierce. The technical challenges are enormous. And the costs are ...more>>

  27. When The Counting Gets Tough, The Tough Count On Mathematics - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A discussion by William A. McWorter, Jr. of the application of the recursion formula for the Fibonacci sequence to counting and vector problems. ...more>>

  28. Where to Start? - Cut the Knot!, Alexander Bogomolny
    A discussion of math education: the intent of the NCTM Standards, reflections on the history of constructivism, classroom practices (with a link to Marilyn Burns' Math Solutions page), and a simple applet for solving linear equations. An interactive column ...more>>

  29. Where Will the New Millennium Begin? (Math Chat) - Frank Morgan; Christian Science Monitor
    Assuming the third millennium arrives on January 1, 2001, where on Earth should the celebration begin? ...more>>

  30. Which Countries Are Most Like Stars? (Math Chat) - Frank Morgan, MAA Online
    Which countries in the world have a point such that the shortest line from every other point in the country stays inside the country? (ignore mountains and valleys). Mathematicians call such countries starlike. Are there any countries such that the shortest ...more>>

  31. Which One Is Older? (Math Chat) - Frank Morgan, MAA Online
    Creative solutions to the challenge: how can two people determine which is older without revealing their ages? Math videos available from the Mathematical Sciences Research Institute via the MAA. "Mathematics in Arcadia," "Fermat's Last Theorem," as seen ...more>>

  32. Which Polygon Sides are Parallel? - NASA Lewis Learning Technologies Project
    Which of these line segments are parallel? Two adjacent sides of a triangle; Two adjacent sides of a pentagon; Two opposite sides of a rectangle; Two radii of a circle. A diagram and a detailed answer are provided. From NASA's 9th Grade Math Proficiency ...more>>

  33. Which Problem Equals 25 Percent? - NASA Lewis Learning Technologies Project
    Which problem has an answer of 25 percent? 1) 10 is what percent of 50? 2) 25 is what percent of 75? 3) 25 is what percent of 125? 4) 20 is what percent of 80? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  34. Whips and Dinosaur Tails - Ivars Peterson (MathTrek)
    The loud crack of a deftly flicked bullwhip is a small sonic boom, generated when the whipís thin, highly flexible tip exceeds the speed of sound. Sauropod dinosaurs of the family Diplodocidae have enormous tails that gradually narrow to thin, delicate ...more>>

  35. Whistler Alley Mathematics - Paul Kunkel
    Kunkel's Geometer's Sketchpad lessons convey a conceptual understanding, usually without rigorous proof, with questions and suggestions for extensions: Buffon's Needle (an old probability exercise); Chinese Handcuffs (questions with applications for geometry, ...more>>

  36. White Group H2 Maths Tuition - Koh Y.S. Frederick
    This Singaporean tutor offers examination advice and recommendations ("A level H2 maths question spotting thoughts"), a section for those "pursuing mathematics beyond the Singapore H2 9740 standard," and a "question locker" for students who "wish to challenge ...more>>

  37. White Narcissus - Ivars Peterson (MathTrek)
    The elegant, swooping forms carved out of wood by sculptor Robert Longhurst often resemble gracefully curved soap films that span twisted loops of wire dipped into soapy water. Alhough these abstract sculptures bear an uncanny resemblance to mathematical ...more>>

  38. WhizGraph - a program for data analysis and graphic presentation on your Mac - Hans Timm
    WhizGraph is a data analysis and graphic presentation shareware program for the Macintosh. It combines professional graphing and versatile layout options with clear data management and comfortable macro calculation. The website provides more specifications, ...more>>

  39. Whole Language Approach in Solving Word Problems (SMILE) - Barbara Thomas, Langston Hughes School
    A lesson that uses the story of the Three Little Pigs to teach students to formulate addition and subtraction problems of whole numbers; relate everyday language to mathematics meaningfully; use problem-solving approaches to investigate and understand ...more>>

  40. Wholemovement - Bradford Hansen-Smith
    Bradford Hansen-Smith presents the art and geometry of folding circles. As he explains, "Everything we know about geometry, mathematics, and all spatial arrangement and organization of matter is demonstrated by cutting into the wholeness of the sphere. ...more>>

  41. Whole number arithmetic - Martin Selditch
    A tutorial that covers basic arithmetic with whole numbers. Exercises allow students to practice arithmetic skills. ...more>>

  42. Who Likes Homework
    Tutors and homework helpers in math, chemistry, physics and more. ...more>>

  43. Who's Counting - John Allen Paulos
    Columns by Prof. John Allen Paulos, the author of Innumeracy, Mathematician Reads a Newspaper, and other popular books. Humorous and enjoyable articles by a keen observer of the world around him whose mind has been sharpened by mathematical practice. ...more>>

  44. Who's Really Ahead? - Ivars Peterson (MathTrek)
    The winding down of the current baseball season seems an appropriate time to take a look at a curious inconsistency that sometimes appears in team standings... Once in a while the team with the higher winning percentage may be at least one-half a game ...more>>

  45. Who's Really No. 1? - Ivars Peterson (MathTrek)
    It happens every fall. Fierce arguments erupt over which U.S. college football team is the best in the nation. As the season progresses, this frenzy of head scratching and navel gazing mounts until the climactic bowl games at the end of the year (more ...more>>

  46. Who Wants to Be a Mathematician - American Mathematical Society
    In the game show "Who Wants to Be a Mathematician," high school students compete for cash and prizes by answering multiple choice mathematics questions. Read about past performances of the game; view videos of games played in Danvers, MA, at Danvers High ...more>>

  47. Who Wants to be a Millionaire? (Math Chat) - Frank Morgan, MAA Online
    Answering the challenge: On ABC TV's "Who Wants to be a Millionaire," to maximize your expected winnings how sure should you be of your answer to the $500,000 question to answer? Somewhere from about 22.5% to about 46.5%, probably closer to the latter. ...more>>

  48. Who was Marin Mersenne? - Luther Welsh
    It was not until the mid 20th century that Mersenne became known primarily for his Prime Number Conjecture. Historically, he was much better known for his correspondence with leading scientists of the day. Interested in optics, he also been called the ...more>>

  49. Why 2001 Won't Be 2001 - Keith Devlin (Devlin's Angle)
    "It's a good story... But how realistic is the behavior of HAL? We don't yet have computers capable of genuinely independent thought, nor do we have computers we can converse with using ordinary language. True, there have been admirable advances in systems ...more>>

  50. Why Calculus? - Helmer Aslaksen
    A course the goal of which is to show why calculus has served as the principal quantitative language of science for more than three hundred years. ...more>>


 
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