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  All Sites - 1721 items found, showing 1151 to 1200

  1. Online Math Worksheets - Improving Education Inc.
    Random generated K-5 math worksheets - each time you load a Web page, new exercises are generated. Match the numbers; 1-, 2-, and 3-digit addition and subtraction; multiplication and division, including long division. ...more>>

  2. Online Resources - Georgia Tech School of Math
    Syllabi, course notes, problems, and Maple worksheets for single- and multi-variable calculus, linear algebra, statistics, and a Math for Management course (statistics, probability, sets, and some calculus). The site also contains sample exams for calculus ...more>>

  3. The Online Test Page - Elias Saab
    Math and vocabulary drills, including MathCOUNTS, SAT, ACT, and Missouri MMPT questions, as well as links to relevant sites. ...more>>

  4. On Motivation and Understanding - Cut the Knot!, Alexander Bogomolny
    Fourth in a series of columns that draw on Frank Morley's fundamental paper On the Metric Geometry of the Plane n-Line - dealing with what amounts to his proof of the Trisector Theorem. Bogomolny outlines Morley's reasoning first and then supplies necessary ...more>>

  5. On the 3x + 1 Problem - Eric Roosendaal
    Numerical data and some conjectures on this problem, also known as the Collatz problem or the Syracuse problem. All numbers up to 29,300 * 10^12 (~ 26 * 2^50) have been checked for convergence. ...more>>

  6. On the Puzzles with polyhedra and numbers - Jorge Rezende
    Several articles in PDF format, with related links: one on a set of didactic puzzles published by the Portuguese Mathematical Society (SPM); "Jogos com poliedros e permutações", an article in Portuguese describing puzzles with polyhedra ...more>>

  7. On Thin Spaghetti and Nocturnal Animals - Don Cohen (The Mathman)
    Function and Graphs for Children. Guess My Rule; Graphing; The Shuttle Puzzle; The Tower Puzzle; The Nautilus Shell. Sample problems with some answers from Chapter 6 of Don Cohen's worksheet book. ...more>>

  8. On This Day in Math - Pat Ballew
    Mathematically significant events, births, deaths, and more, posted every calendar day. Ballew's blog reveals his thoughts on teaching math. His links and explanations written using The Geometer's Sketchpad include triangle medians; angle bisectors in ...more>>

  9. OOG: the Object Orientation Game - MCM Productions
    MCM Productions' first publicly released software application. This 4-in-1 tiling puzzle game for the MS-Windows environment allows players to test their problem solving ability with over 300 puzzles, including Tangrams, Pentominoes, Hexagons and Polyominoes. ...more>>

  10. .oO worksheeps - Felix Heckert
    Generate worksheets of customized math exercises, complete with solutions: basic operations with integers, negatives, and fractions; binomial and quadratic formulas; partial roots; percent calculation; curve sketching; metric; derivations; antiderivatives; ...more>>

  11. Open-Ended Math Problems - Gwenn Holtz and Mary Lee Malen, Levering School and the Franklin Institute
    An eight-month slate of open-ended problems for middle school students to solve in preparation for standardized testing. The authors have composed and selected problems that lend themselves to multiple solution paths, and then organized them into three ...more>>

  12. OpenIntro - David Diez and Chris Barr, Co-Founders
    The OpenIntro Statistics textbook-- the inaugural effort from these makers of educational products that "are free, transparent, and lower barriers to education" -- comes with data sets for the statistics software package R; normal, t, and chi-square probability ...more>>

  13. Open Problem Garden - Matt DeVos and Robert Šámal
    A collection of unsolved problems -- mainly, graph theory, combinatorics, and number theory. A wiki for each open problem includes relevant bibliographical citations, importance rating, and recommendation for undergraduates. Navigate by math subject, ...more>>

  14. Open Problems for Undergraduates (DIMACS) - Robert Hochberg, Center for Discrete Mathematics and Theoretical Computer Science, Rutgers Univ.
    A collection of open problems in Discrete Mathematics in the areas of Graph Theory; Combinatorial Geometry; Geometry/Number theory; and Venn Diagrams, currently being researched by members of the DIMACS community. These problems are easily stated, require ...more>>

  15. Open Problems in Dynamical Systems - Dept. of Mathematics, State Univ. of New York at Stony Brook
    A collection of papers outlining unsolved problems in dynamical systems. ...more>>

  16. Open Problems in Dynamical Systems & Ergodic Theory - Sergiy Kolyada
    This collection of problems originated in the Katsiveli-2000 Open Problems Session (Chairman - Benjamin Weiss). New problems are being added. Copies of the page are also at http://iml.univ-mrs.fr:80/~kolyada/opds/ and http://www.math.iupui.edu/~mmisiure/open/. ...more>>

  17. Open Problems - Jeff Erickson
    Open problems, mostly in geometry, including folding, combinatorial, and algorithmic problems. Contents include: Existence Problems: Does Object X exist? Combinatorial Problems: How complex is Object X? Algorithmic Problems: How fast can Problem X be ...more>>

  18. Open Problems (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on open problems in geometry: antipodes; bounded degree triangulation; centers of maximum matchings; chromatic number of the plane; combinatorial complexity of spheres; covering points by rectangles; cube ...more>>

  19. Operations Research - J. E. Beasley
    OR-Notes are a series of introductory notes on topics that fall under the broad heading of the field of operations research (OR). Beasley includes practice questions ("tutorials"), links to other web resources, and past exams. ...more>>

  20. Optical Illusions (SandlotScience.com) - SandlotScience
    Interactive explorations of optical effects, illusions, distortions, animations, artwork, stories, PDF projects, games, and more. Impossible objects include columns, an endless staircase and animated stairs, Java triangle models, an interlaced tri-bar, ...more>>

  21. Optimization Links - Tom Cavalier; Industrial and Manufacturing Engineering, Penn State Univ.
    Links to online information on various aspects of optimization; interactive guides/case studies; optimization software/test problems; and other sites. Also general operations research sites; OR/Optimization people. Location/Routing/ Conference Information; ...more>>

  22. The Orbifold Shop (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    A symmetry project: the Orbifold Shop offers a free coupon for $2.00 worth of parts, installation included, to anyone acquiring a new orbifold. There are only a few kinds of features for two-dimensional orbifolds, but they can be used in combinations: ...more>>

  23. The OU Calculus I Problem Archive - Dept. of Mathematics, Oklahoma University (OU)
    Sample problems, with hints, answers, and "the grisly details": 1. Functions, calculus style; Graphs; Machine graphics; What is a function?; A field guide to elementary functions. 2. Amount functions and rate functions; The geometry of derivatives; The ...more>>

  24. Overview of "Mathematician's Secret Room" - Hisanori Mishima
    Challenges to unsolved problems in Number Theory, some translated into English from the Japanese. ...more>>

  25. Packing Pentominoes - Mark Michell
    For rectangles with a given ratio of height to width, what is the smallest rectangle that will allow the construction of a complete set of pentominoes? ...more>>

  26. Packing Videotapes - NASA Lewis Learning Technologies Project
    Roger had to pack videotapes 10 to a box. If he had 178 tapes of one kind and 121 of another kind, how many boxes would he need in order to pack them all and not mix the different types? A detailed answer is provided. From NASA's 9th Grade Math Proficiency ...more>>

  27. Paginedimatematica - Bruno Tomaino
    In Italian: Analisi, trigonometria, equazioni differenziali, test a risposta multipla. ...more>>

  28. Palindromic Numbers and Other Recreational Topics - Patrick De Geest
    Many odd facts about big (and little) numbers, including circular primes and palindromic triangulars, tetrahedrals, squares, cubes, and primes. Also assorted odd puzzles, etc. ...more>>

  29. Panthera's Puzzle Contest - Dr. Amy Galitzer; Puzzle University
    A weekly contest of math, logic, and word puzzles sponsored by the American Mathematical Society and the University of Maryland Mathematics Department. You can submit your own puzzle for the next contest by signing up to participate, or simply read the ...more>>

  30. The Paper Challeran - Ryosuke Ito & TOSS
    Starting with a score of 1, trace a route through the Paper Challeran. Add to, multiply, or subtract from this score, as indicated at every edge along the way. Compete by registering scores online. Numbers around each block change every month. Find rules, ...more>>

  31. Parent's Page - Chicago System Initiative (CSI)
    A list of informative sites for parents who have questions about parenting and how to get involved in their children's education. Topics include Family Math (a page on math education); Helping your child learn math; Math and Your Child (information on ...more>>

  32. Pascal's Triangle using Clock Arithmetic - Jay's Corner
    Exploring Pascal's triangle when the modulus is a prime; when the modulus is a power of a prime; and when the modulus has at least two different prime divisors. From mod 2 to mod 12, illustrated. (See also Part II.) ...more>>

  33. Passalgebra.com
    Pass algebra with this online study guide. Practice with hundreds of problems, with answers worked out step by step. Examples of study guide and exercises provided. $27 for 1 year; step-by-step instruction for $2.50/problem. ...more>>

  34. Path Puzzles - Erich's Puzzle Palace; Erich Friedman
    Sixteen path-through-a-grid puzzles; can you fill in the correct path? Answers provided. ...more>>

  35. Pat's Math & Problem Solving Links - Pat McQuatty
    Site recommendations from the math consultant for the Western Quebec School Board. See, in particular, Special Days (Hundredth Day of school, Math with the number 2000 - twenty suggested math activities for the year 2000). Also math-related links for ...more>>

  36. Patternbee Multiplayer Spatial Reasoning - Jordan Pollack
    In this version of tangrams, pairs of learners create the puzzles for each other to solve, which can be at different levels of difficulty. Requires free registration to play, as this is an educational psychology research project. ...more>>

  37. Patterns and Magic Squares - Recmath
    This page looks at a particular subset of Magic Squares, those of order four which are 'continuous' (also known as pan-diagonal, Nasik and Jaina). It explores the patterns possible when the numbers in these kinds of squares are represented by a set of ...more>>

  38. Patterns in Mathematics (Teachers' Lab) - Annenberg Media
    This lab, based on the professional development series and workshops broadcast on the Annenberg/CPB Math and Science Project Channel, explores patterns as they occur in logic, numbers, and words, focusing on how to develop "function sense" without simply ...more>>

  39. Paul's Page of Pi - Paul A. Gusmorino 3rd
    Most of the content of this site is focused on methods of calculating pi: Archimedes' method; Wallis' formula; Gregory, Leibniz, and Machin; Newton's fluxions; and Paul's 8192 digits. Also Pi Poems, Music of Pi, and Pi Links. ...more>>

  40. paulus gerdes's Storefront - Paulus Gerdes
    Purchase print editions or download Gerdes' titles, some also available in Portuguese, Dutch, and French: Drawings from Angola: Living Mathematics, Enjoy Puzzling with biLLies, Puzzle Fun with BiLLies, The Bisos Game: Puzzles and Diversions, Introducing ...more>>

  41. PBS Teachers: Math - PBS Teachers
    The Public Broadcasting System's Math Service, combining computing and telecommunications technologies to offer interactive data services and interactive video and voice services for education based on the NCTM Standards. The site features: resources, ...more>>

  42. PCTM Online Puzzle of the Week - Judy Brown; Pennsylvania Council of Teachers of Mathematics
    Weekly illustrated math puzzle online competition from 1996-97, with an archive of past puzzles. Since 1997 this project has moved to the Math Forum to become its Middle School Problem of the Week. ...more>>

  43. Pédagogie - Olivier Batteux
    Maths-Rix et Labymath sont des logiciels présenté sous forme de labyrinthe où il faut choisir des portes qui correspondent à des choix opératoires en vue des résoudre des problèmes concrets. Découvre ...more>>

  44. The Penrose Puzzle Room - World of Escher
    Mathematically based Pentaplex Puzzles designed by Sir Roger Penrose, the well-known English mathematician. The original 45 piece Gamebirds, 190 piece Perplexing Poultry - 2 designs, 500 piece Jigsaw Puzzles - 4 designs. ...more>>

  45. Pentangle - U.K.
    To buy: wooden, mechanical, interlocking, mathematical and logical thinking puzzles; brainteasers, games, toys, gifts, three-dimensional puzzles, promotional items, and collectors' puzzles, ...more>>

  46. Pentominoes - Robert Simms; Dept. of Mathematical Sciences, Clemson University
    A Java applet spatial relations game. Try to place the pieces in the box with no overlapping. With detailed instructions, source code, development stages of the applet, and related links. ...more>>

  47. Pentomino - K.S.O. Glorieux Ronse, Belgium
    An introduction to polyominoes, with a site-wide focus on pentominoes. The site features puzzles and contests, as well as galleries of pentomino constructions and problems, such as how to form letters of the alphabet and silhouettes of zoo animals. Available ...more>>

  48. Perfect Problems - Vasek Chvátal
    Unsolved problems on perfect graphs, a collection for people with at least a basic knowledge of the subject. Contents include: Perfection of special classes of Berge graphs; Recognition of special classes of Berge graphs; Decompositions of perfect graphs; ...more>>

  49. Periodic Points of Quadratic Polynomials - Cut the Knot!, Alexander Bogomolny
    The main purpose of the Mandelbrot set is to index Julia sets corresponding to various values of the parameter c... iterations inside M evolve differently depending on the value of c. (You may explore some iterations via the applet supplied.) An interactive ...more>>

  50. Perplexus - flooble
    A large archive of mathematically inclined puzzles and problems displayed by category. Includes logic, number theory, geometry, probability and other problems. All are rated by difficulty and quality and discussed in depth by visitors. Most with solutions. ...more>>


 
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