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  All Sites - 230 items found, showing 51 to 100

  1. Flash Games - ATK Solutions, Inc.
    Flash applets and games include rotating 3d cube; mind boggle square, which challenges you to slide a square across a surface by sliding other quadrilaterals into the unoccupied spaces; Futoshiki, which involves positioning counting numbers on a grid ...more>>

  2. FoldPlay
    Upload your photographs, print them out in FoldPlay's templates, then fold them into hex kaleidocycles, oct kaleidocycles, invertible cubes, and foldbooks. Also, instructions for folding nerdcatchers, sphericon pies, polygon puzzles, and other origami. ...more>>

  3. Four Corners, Four Faces (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
    To Arthur Silverman, a sculptor in New Orleans, tetrahedrons, or triangular pyramids, are very special. He's been creating sculptures based on the tetrahedron for more than 20 years. You might see examples on display in plazas and office buildings in ...more>>

  4. Freakonometrics - Arthur Charpentier
    Blog by a Montreal professor of actuarial science "addicted to R." Posts, which date back to March, 2007, have included "Dynamic dependence ordering for Archimedean copulas and distorted copulas," "Pricing catastrophe options in incomplete markets," "Estimation ...more>>

  5. Free Doughnuts - Web Feats Workshop II
    You have a piece of cardboard 24 by 15 inches. Your problem is to figure out how much to cut out of each corner to make the box with the biggest (maximum) volume. Use the applet to explore how changing the size of the cutout changes the box. This workshop ...more>>

  6. Free Puzzles - Jimmie Dean
    A collection of puzzles and brainteasers, divided into geometry, logic, math, weight, moves, and miscellaneous. Each puzzle includes a hint, and solutions are available through e-mail. Online games and puzzles include a chess knight game and Hangman. ...more>>

  7. From Counting to Writing - Ivars Peterson (MathLand)
    Abstract numbers are the product of a long cultural evolution. They also apparently played a crucial role in the development of writing in the Middle East. Indeed, numbers came before letters, contends archaeologist Denise Schmandt-Besserat of the University ...more>>

  8. Gadgets - Jan Gombert
    Gombert's five "gadgets" provide simple challenges that combine addition, multiplication, and two- or three-dimensional geometry. Balancing Act shows three values on a beam to balance by addition. Make a given perimeter or area by resizing the figure ...more>>

  9. Gaussian Curvature (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    What is the curvature inside the region on a sphere exterior to a tiny circle? On a polyhedron, what is the curvature inside a region containing a single vertex? two vertices? all but one vertex? all the vertices? ...more>>

  10. Geo-Calc - BaldGeeks
    Macintosh shareware for calculating the area, perimeter, sides, angles, and other measures of two- and three-dimensional shapes such as ellipses, rectangles, triangles, trapeziums, parallelograms, polygons, prisms, cylinders, cones, pyramids, and spheres. ...more>>

  11. Geometria - Stelian Dumitrascu
    A Java program in interactive solid geometry. Solids can be revolved, cut, joined, built from scratch, measured, and drawn upon. View demo applet online or download a shareware version of the program. (Geometria can be run as a stand-alone application ...more>>

  12. Geometry of Fullerenes - Slavik Jablan, Mathematical Institute, Belgrade
    Fullerenes (Buckminster Fuller) are considered from the points of view of geometry, graph theory and knot theory. Contents: Introduction; General fullerenes, graphs, symmetry and isomers; 5/6 fullerenes; Knot theory and fullerenes; "Perfect" fullerenes; ...more>>

  13. George W. Hart: Index - George W. Hart
    An index to some of the areas covered by Hart's Web pages: Geometric sculpture; Encyclopedia of Polyhedra - over 1000 virtual polyhedra; Pavilion of Polyhedreality - images and geometry links; Hart's upcoming book about Zome Geometry; research and publications; ...more>>

  14. Got Math? - Dave Radcliffe
    Blog by a community college math instructor and self-described "GeoGebra fanatic." Posts, which date back to December, 2010, have included "Stacking cannonballs," "Counting with Integrals," "A Paradoxical Dissection," "Gelfand's Question," "Imagining ...more>>

  15. The Great Golden Pyramid - Tony Smith
    The largest of the Giza pyramids is usually called the Great Pyramid. It can also be called the Great Golden Pyramid, because its geometry is that of the Golden Mean. Pictures and diagrams of the interior and exterior architecture, with explanations of ...more>>

  16. Greg Egan's Home Page
    Information, illustrations, and Java applets that supplement some of the works of the science fiction author. The Applets Gallery includes groups of rotations in three dimensions and in four dimensions; Escher, inspired by the artist's conflicting orientation ...more>>

  17. Harold Reiter's Home Page - Harold Reiter, Department of Mathematics, University of North Carolina at Charlotte
    Freely downloadable puzzles and problems from the founder of teachers circles and math clubs in Charlotte and Mecklenburg, longtime writer of MathCOUNTS questions, and member of the ETS/College Board CLEP (College-Level Examination Program) Pre-calculus ...more>>

  18. Hessport's Rubik Shop - Hessport's Rubik Shop
    Buy Rubik's Cube, Rubik's Revenge (4 x 4 x 4), Rubik's Professor (5 x 5 x 5), Rubik's Magic, Rubik's Rings, Rubik's Shells, Rubik's UFO, Rubik's Mini (2 x 2 x 2), Rubik's Snake, Rubik's Tangle, Rubik's Triamid, Rubik's Double Tangram, Rubik's Bricks, ...more>>

  19. Heureka: páginas lúdico-matemáticas - Rodolfo Valeiras Reina
    Home page of a Spanish math enthusiast from Cádiz, España. Calidociclos (a kaleidocycle is a ring of tetrahedra joined edge to edge; as you twist it inward or outward, the tessellations on the faces of the tetrahedra meet in new ways); Problemas ...more>>

  20. How Many Regular Polyhedrons Are There In This or Any Universe? (SMILE) - Lawrence E. Freeman, Kenwood Academy
    A lesson designed to teach the idea of "regularity" in geometry, exploring regular polygons and polyhedra. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning ...more>>

  21. How to Solve a Rubik's Cube Guide for Beginners - John Wade
    An illustrated guide to solving Rubik's cube in seven steps. ...more>>

  22. How to Solve the Rubik's Cube v1.4 - Mark Jeays
    A complete solution to solving the cube from any position, credited to David Singmaster, who wrote the 1980 book Notes on Rubik's Magic Cube, except for Step 2, discovered independently by Mark Jeays. ...more>>

  23. Hypergami (Geometry Forum Summer Institute) - Michael Eisenberg, Ann Nishioka
    A program for the creation of paper sculptures of various types - particularly polyhedral models and the larger, multipart sculptures that can be created from polyhedra. Description of a Geometry Forum Institute program (summer 1995). ...more>>

  24. ICSE Maths - Suresh Lala
    The site contains practice problems for the ICSE (Indian Certificate of Secondary Education) Exam. General topics include arithmetic, algebra, geometry and statistics. Each sub-topic typically includes about twenty problems, with answers at the bottom ...more>>

  25. Imaging the Imagined - Paul Flavin
    Modeling with Math and a Keyboard: the art and science of modeling; the math, theory and practice of rendering, imaging, and animation. An introduction to raytracing and the Quadric surfaces; Platonic Solids and Polyhedra; 'Tensegrity' (tension) structures; ...more>>

  26. Integer Jim's Math Squad - Jim Bennett
    Creative ways to use art, writing, research, and Internet projects to make math more exciting for students. The Math Squad art projects are year-long projects; rather than "lesson oriented," they create an "adventure theme" that facilitates math instruction. ...more>>

  27. Interactive Mathematics Miscellany and Puzzles - Alexander Bogomolny
    "The peculiar beauty of Mathematics lies in deduction, in the dependency of one fact upon another. The less expected a dependency is, the simpler the facts on which the deduction is based - the more beautiful is the result." This award-winning site offers ...more>>

  28. Introduction to Math and Spreadsheets - Jan Garner
    Exercises on spreadsheets. Using ClarisWorks, graph a spiral or a few parabolas; build a scale model of the Great Pyramid or find the biggest box you can make from a sheet of cardboard; plan the budget for a picnic. ...more>>

  29. Irregular Tetrahedron Formula (Ask Dr. Math FAQ) - Math Forum
    Formula for finding the volume of an irregular tetrahedron. This will work for a regular tetrahedra also, but a simpler formula is available in that case. ...more>>

  30. Jaap's Scratch Pad - Jaap Scherphuis
    Java applets, generators, and solutions for sudoku, Rubik's Cube, "moving pieces" puzzles, permutation puzzles, and more, including sphere symmetries, polyform, Towers of Hanoi, and many lesser known puzzles from this collector. Scherphuis' articles range ...more>>

  31. Japanese Temari - Barb Seuss
    Read about the history of this Asian needlework craft, find free patterns to stitch your own geometric designs on the sphere, browse online galleries of temari, and more. ...more>>

  32. Jim Plank's Origami Page (Modular) - Jim Plank
    Instructions for making polyhedra, and pictures - "Penultimate Module": Compound of 5 tetrahedrons; Compound of 5 octrahedrons; Compound of three rectangular prisms. Stella Octangula. Lesser Stellated Dodecahedron. Snub Cube, Dual of the Snub Cube. Icosidodecahedron ...more>>

  33. Joseph Malkevitch's Home Page - Joseph Malkevitch, York College (CUNY-The City University of New York)
    Malkevitch's interests include geometry (polytopes, graph theory, tilings, etc.), discrete mathematics, and mathematical modeling (especially models dealing with fairness and equity issues and codes of all kinds). Most of his research concerns using combinatorial ...more>>

  34. KaleidoTile - The Geometry Center
    A downloadable program for the Macintosh based on the Geometry Center's tiling program on display at the St. Paul Science Museum. You can use KaleidoTile to create and manipulate tessellations of the sphere, Euclidean plane and hyperbolic plane, and to ...more>>

  35. Kids Corner - Hope Paul Productions
    Games to play online, and a demo to download: Solid Geometry (make your own 3-dimensional shapes), and a store where you can order math toys and games. ...more>>

  36. Knowhere - Rick Engel; Polymorf, Inc.
    Lesson on how the structure of space determines the shape of things in geometry and chemistry. The principles of solid geometry are related to their real life embodiment in the crystal structures of elements and minerals using Polymorf, a new math/science ...more>>

  37. Learn Math 3D on Orbital One - Peter Richards
    A software math course set within a real time 3D environment. Topics covered include counting, the number system, addition, subtraction, multiplication, division, 2D and 3D shapes, simple fractions, and telling the time. ...more>>

  38. The Logic Puzzle Museum
    Play with more than fifty different hands-on brain twisters, mechanical and logic puzzles -- and craft your own. Regular events at this Burlington, Wisconsin, museum include Valentine's Day (make-your-own historic rebus valentines), celebrations of the ...more>>

  39. Magic Cube 4D - Melinda Green, Don Hatch, and E. Jay Berkenbilt
    MagicCube4D is a four-dimensional Rubik's cube -- an exact analogy in four dimensions to the original plastic three dimensional puzzle. Download the Java applet or pacakges for UNIX, Linux, or C++ source code. ...more>>

  40. Mag's 3x3 Rubik's Cube Solution - Tom Magliery
    A small collection of operations for the 3x3 Rubik's Cube, which assumes that you already know how to get one entire face solved; this means not only having all of one color on one side, but also having those 8 pieces in the proper position with respect ...more>>

  41. Main Index of Software Libraries - Netlib, UTK and ORNL
    Mathematical and statistical software to download. ...more>>

  42. Making Polyhedra - Jan Garner
    Exercises on constructing polyhedra. Introduction, Triangular Face Exercise, Regular Polyhedra. Also polyhedra links on the Web. ...more>>

  43. Maps (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    A map in the plane is a collection of vertices and edges (possibly curved) joining the vertices such that if you cut along the edges the plane falls apart into polygons. These polygons are called the faces. A map on the sphere or any other surface is ...more>>

  44. Mark Newbold's Page - Mark Newbold
    Home page of a physics and math enthusiast. Contains: Java stuff (HyperSlice - Hyperspace Polytope Slicer, animated Necker cube, counter-rotating spirals, stereoscopic animated hyperspace objects); stereoscopic 3D stuff (3-D HyperCube Java applet, anaglyphs); ...more>>

  45. Match Sticks in the Summer - Ivars Peterson (MathLand)
    One of the presenters at the Strens conference was mathematician Heiko Harborth of the Braunschweig Technical University in Germany. "Match sticks are [among] the cheapest and simplest objects for puzzles which can be both challenging and mathematical," ...more>>

  46. Materials for using projector in math teaching - Antonija Horvatek
    Geometer's Sketchpad and PowerPoint files for presenting fractions, decimals, integers, rational numbers, equations, functions, perimeter and area, plane transformations, the Pythagorean Theorem, three-dimensional geometry, and statistics. Also available ...more>>

  47. MathApplications - Cathleen V. Sanders
    An interactive mathematics course offered via the Internet to students throughout the Hawaiian islands. Cathi Sanders, a teacher at Punahou School in Honolulu, teaches this course through ESchool, a pilot project of the Hawaii Department of Education ...more>>

  48. mathartfun.com - Robert Fathauer
    Learn and purchase products about tessellations, polyhedra, new perspectives (anamorphic art), fractals, M.C. Escher, tangrams and dissections, kaleidoscopes and symmetry, and paper folding. The gallery of mathematical art contains twisted ribbons and ...more>>

  49. Math Dance - Karl Schaffer and Erik Stern
    The Dr. Schaffer & Mr. Stern Dance Ensemble has performed and conducted workshops on math dance in hundreds of schools and conferences since 1987. From that work, Co-Artistic Directors Karl Schaffer and Erik Stern wrote MathDance, a 132-page book with ...more>>

  50. The Mathematical Art of M.C. Escher - B. Sidney Smith; Math Academy Online/Platonic Realms
    An excellent introduction to the mathematics in Escher's art, organized into areas: tessellations, polyhedra, the shape of space, the logic of space, and self-reference and information. ...more>>


 
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