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  All Sites - 6865 items found, showing 6301 to 6350

  1. Topological Knot Theory Information & Research - Claremont High School, Claremont, CA
    Files and data related to the knot theory work developed by students at Claremont High School. A TeX file contains source code for the Paper "Tabulating Alternating Knots Through 14 Crossings," by B.Arnold, C.Candy, K.Erdener, J.Fan, J.Hoste, R.J.Muir, ...more>>

  2. Topology and Geometry Software: Fun and Games - Jeff Weeks
    Fun math toys for all ages, from the author of Exploring the Shape of Space (grades 6-10) and The Shape of Space (grades 12-16). Applets and software for various platforms. Play with tic-tac-toe, mazes, and the like, on a torus or Klein bottle. Draw ...more>>

  3. Topology Atlas - Shakhmatov and Watson; York University, Toronto, Ontario, Canada
    A multi-purpose center for electronic distribution of information related to topology, the mathematical study of surfaces, sometimes called "rubber sheet geometry" because topologists consider geometric figures as though they were drawn on infinitely ...more>>

  4. Topology (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    Topology is the theory of shapes that are allowed to stretch, compress, flex and bend, but without tearing or gluing. For example, a square is topologically equivalent to a circle, since a square can be continously deformed into a circle. As another example, ...more>>

  5. Topology (Graphics Archive, Special Topics) - The Geometry Center
    Properties of objects that don't change when they are stretched or twisted (Klein bottle, Moebius band). ...more>>

  6. TopSecretMath.org - Donald Endriss
    Step-by-step JavaScript tutorials for learning how to factor several different kinds of trinomials using the C-A-B method. ...more>>

  7. Tostaky.Biz - Jerome Verstrynge
    JavaScript utilities formatted for the smaller screens of tablets and smartphones: timer, stopwatch, world clocks, and other timekeeping tools; and unit converters for area, force, length, torque, weight, and more. ...more>>

  8. Totally Free Math - Terry Wesner
    A free downloadable 3rd edition elementary algebra textbook with accompanying ancillaries and no advertising. ...more>>

  9. Totally Tessellated - Bhushan, Kay, & Williams
    A comprehensive introduction to tessellations and tilings - the basic underlying mathematics and examples of tessellations in real life. The highly illustrated, printer-friendly site includes history (tessellations in mathematics and science, decorative ...more>>

  10. To teach definitions in geometry or teach to define? - Michael de Villiers; Mathematics Education, Univ. of Durban-Westville, South Africa
    This paper argues from a theoretical standpoint that students should be actively engaged in the defining of geometric concepts like the quadrilaterals, and presents some data relating to a teaching experiment aimed at developing students' ability to ...more>>

  11. TotiPM - Jordi Lagares Roset, Prof. of Mathematics, Girona
    Una página basicamente en Catalán, pero con referencias también en castellano e inglés. Páginas didácticas, problemas, software. A page primarily in Catalan but with Spanish and English language references. Lessons, ...more>>

  12. Tour: M.C. Escher - Life and Work - National Gallery of Art, Washington, DC
    A tour of four virtual rooms devoted to the art of M. C. Escher. For each graphic a larger picture with accompanying commentary is available by clicking on a small picture. The gallery has more than 400 works by Escher with many images available on-line. ...more>>

  13. Tournament of Towns - Math Net, University of Toronto
    A worldwide problem solving competition in mathematics. The contest attracts students of all mathematical interests and abilities with its inclusive rules and creative problems -- some as challenging as those of the International Mathematical Olympiad. ...more>>

  14. Tournament Scheduling - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about scheduling tournaments, from "Can you help me construct a schedule for a round robin style junior hockey tournament with two divisions using only four fields?" to "What are the odds of one person predicting the ...more>>

  15. A Tour of Fractions - Math Forum
    The Web often seems more like a maze than an organized set of resources. To help you find what you need, the Math Forum presents a 'tour' of fractions, offering links to lessons, activities, and materials, questions and answers from Ask Dr. Math, and ...more>>

  16. Toward a Fairer Expansion Draft - Ivars Peterson (MathLand)
    When new teams are brought into an established league, the team owners usually take turns picking players from a pool of available talent. The conventional method for such drafts, however, often produces unfair results. For example, if one of two owners ...more>>

  17. The Tower of Hanoi - Andrew Cumming
    Interactive version of the famous logic puzzle, in html and VRML versions, with a separate page about solving it. ...more>>

  18. Tower of Hanoi - Math Forum, a Classic Problem from the Ask Dr. Math FAQ
    There are three posts. Disks of different sizes are placed on the lefthand post, arranged by size with the smallest on top. You are to transfer all the disks to the righthand post in the fewest possible moves, without ever placing a larger disk on a smaller ...more>>

  19. Tower of Hanoi on the Web - Miroslav Kolar
    The legend: A group of Eastern monks are the keepers of three towers on which sit 64 golden rings. Originally all 64 rings were stacked on one tower with each ring smaller than the one beneath. The monks are to move the rings from this first tower to ...more>>

  20. Tower of Hanoi (SMILE) - Paul Eubanks, Washington High School
    A lesson for grades 6-12 designed to teach students to discover a pattern and to evaluate an exponential expression. From the Patterns and Logic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for ...more>>

  21. Toying with Reality: Java Applets and VRML - Paul Flavin
    Virtual Reality: Modeling with Math, and a little Java. Applets to manipulate: The Pythagorean Theorem; Equation Grapher: "You type, I Graph"; Graphing Vector Calculator; Java 3d Visualizer; Virtual Rubik's Cube; Raytracing applet; Java Calculator; Play ...more>>

  22. Trachtenberg Speed Math - Alpha Centauri Software
    Software that teaches Jakow Trachtenberg's speed system of basic mathematics that he invented while imprisoned by Hitler during WWII. For Windows only. Demo version available. ...more>>

  23. Trachtenberg Speed System - Math Forum, Ask Dr. Math FAQ
    An introduction to Trachtenberg's system of performing high-speed multiplication, division, addition, subtraction, and square root, all in one's head, with references. ...more>>

  24. Tracking - Education Week on the Web
    Should schools -- as the engine of democracy -- provide relatively similar curricula for all students? Or should they instead sort students by skill levels and prepare them for their different roles as adults? A discussion of the pros and cons of tracking, ...more>>

  25. Tractrix Java Applet Class - PHD Computer Consultants Ltd
    Download Tractrix.zip, a Java applet that makes the kind of pretty swirling patterns which Dutch mathematician Huygens originally named in 1692. Specify applet width and height, background and foreground color, coordinate pairs that will identify corners, ...more>>

  26. Traditional Schooling: Articles and Research - Carolyn K., Hoagies' Gifted Education Page
    Articles and reports on traditional schooling issues: Academic Acceleration; Advocacy; Bullies; Curriculum Adjustments; Early (or late) Kindergarten; Educational Theories; Grouping; Individualized Education Profiles (IEPs); Mentors; Success Stories; Testing ...more>>

  27. Traffic Jam - Math Forum
    Equal numbers of people face each other with one open slot between them. Everybody faces the open slot. If there are 6 people there will be 7 slots, 6 of which must always have people in them. People must attempt to exchange places without turning around. ...more>>

  28. Traffic Signs - Richard C. Moeur
    Graphics of the most commonly used traffic signs in the United States, useful for challenging students to find symmetrical signs (in addition to polygons). ...more>>

  29. Transformational Geometry - Leslie Howe
    Java applets to illustrate translation, rotation, glide reflection, etc. Directions for tessellations by hand and using dot paper. Links to sites of artists that illustrate these ideas. ...more>>

  30. Transformations and Tessellations - Lynda Kozicz Leahey
    A unit introducing the concepts of transformations and tessellations. Students will explore the attributes of transformations: reflections, translations, rotations and dilations by using pattern blocks, algebraic notation and computer design. They will ...more>>

  31. Transformations - David A. Reid
    A transformation is a one-to-one mapping on a set of points. The most common transformations map the points of the plane onto themselves, in a way which keeps all lengths the same. These transformations are called isometries. Another common sort of transformation ...more>>

  32. Transformulas - Jedidiah Butler
    Blog about transformational geometry, subtitled "picture = 100 formulas." Posts, which feature Butler's original GeoGebra applets and teaching notes, date back to March, 2014: "One Formula ... to Rule them All," "Circles Part 2: Angle Relationships," ...more>>

  33. Transmath - A CBL Mathematics Tutor - Joanna Brown
    Transmath is a computer-based (Windows platform) mathematics tutor designed to strengthen and consolidate the basic mathematical knowledge of students commencing numerate degrees. Module exercises, featuring animations, come with constructive interactive ...more>>

  34. Transversal of a Latin Square - Jay's Corner
    A transversal in a Latin Square is a collection of positions, one from each row and one from each column, so that the colors that are in these positions are all different. This page shows an example of a transversal in a 4x4 Latin square See also Transversals ...more>>

  35. The Travelling Monkey - Ivars Peterson (MathLand)
    One of the classic problems of planning ahead concerns a traveling salesman who must visit customers in a number of cities scattered across the country and then return home. The problem is to find the shortest possible route visiting each city only once. ...more>>

  36. The Travelling Salesman's Problem - Manu Konchady
    A trucking or delivery company is focused on optimum delivery cost. This can be achieved by using a system which determines the best highway route for each load. An optimum highway route can be displayed on a map. A route with 16 nodes is used to test ...more>>

  37. Travel Triangles (SMILE) - Sarah Barrett, Mars Hill School
    A middle and high school geometry lesson designed to teach students to review and demonstrate an understanding of the three kinds of angles (by degrees). From the Geometry and Measurement section of a collection of almost 200 single concept lessons by ...more>>

  38. The Treb Challenge - GlobalSpec, Inc.
    Custom build a trebuchet for three challenges: distance, accuracy, and power. Between launches, continue modifying the catapult-like seige engine's projectile weight, launch angle, gravity, wind, counterweight mass and height. After each challenge, the ...more>>

  39. TreeAge Software, Inc.
    Producer of decision analysis software. Product information, interactive demos and trial download, FAQ and technical support, ordering, and registration. ...more>>

  40. TREEFROG Mathematical Software - John Moores University, Liverpool, UK
    Modular software for Windows, intended to be used along with traditional teaching methods, to provide instant feedback at each stage. It covers basic order of operations; manipulation of fractions; transposition of formulae and the quadratic equation; ...more>>

  41. TREEFROG self-assessment system - Strickland, Al-Jumeili
    An MS-DOS and Windows program for checking math skills, based on mathematical rules. A student is presented with an expression (say integral of x cos x d x, or x2+3x+2 = 0) and told to convert it to another equivalent form (function of x + constant, x ...more>>

  42. Triangle Calculator - Peter Chrenko
    Select Side-Side-Side (SSS), Side-Angle-Side (SAS), Angle-Side-Angle (ASA), or Side-Side-Angle (SSA) congruence, then enter three known sidelengths or angles, and this JavaScript returns the triangle's remaining measurements. This calculator also uniquely ...more>>

  43. Triangle Centers - Clark Kimberling; Dept. of Mathematics, Univ. of Evansville, Evansville, IN
    A listing, with description and illustration, of 20th-century triangle centers (including: Schiffler Point, Exeter Point, Parry Point, congruent isoscelizers point, Yff Center of Congruence, isoperimetric point and equal detour point, Ajima-Malfatti Points, ...more>>

  44. Triangle Congruence - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about triangle congruences, such as "Why can't the SSA Theorem be used to prove congruence?" and "When should we use Congruent Parts Congruent Triangles Congruent (CPCTC), and how does it prove anything?" ...more>>

  45. Triangle Formulas (Ask Dr. Math FAQ) - Math Forum
    Formulas for finding the area, perimeter, etc. of an equilateral, isosceles, right, or scalene triangle. ...more>>

  46. Triangle: Proof - Michal Wojcik
    A proof that the sum of the angles in a triangle is 180 degrees. This page is written in HTML with two graphical images. ...more>>

  47. Triangle Puzzle - Evelyn Sander, Geometry Forum Archives, The Geometry Center
    Pick an arbitrary point in the interior of an equilateral triangle. Now go halfway towards one of the three vertices (you get to pick which vertex). Now you are at a new point in the triangle. Again go halfway towards any vertex. Continue this process. ...more>>

  48. Triangles and Pyramids: Playing Math! - Hollis Easter
    A "teachable" on the construction of free-standing pyramids made "by folding a single piece of paper, with only a single piece of tape to hold them together...." This blog post goes on to include photos of a net, diagrams, and "things to investigate": ...more>>

  49. Triangles and Simplices (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on triangles and their higher-dimensional generalizations (simplices), with a particular interest in partitioning regions into triangles, tetrahedra, or higher dimensional simplices, for various applications ...more>>

  50. Triangles, Circles, And Waves - Kenny Felder
    The site provides an overview of trigonometry. The material is merely a refresher; only useful to beginners in trigonometry when used as supplementary course material in a trigonometry class. ...more>>

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