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  All Sites - 4737 items found, showing 3701 to 3750

  1. Rebecca Newburn
    Links to this California teacher's Math 7 blog, and to her professional blog, a "fusion of best teaching practices, integrating technology and increasing compassion in and outside of the classroom." See also Newburn's select compilation of explanations, ...more>>

  2. Rebuilding an Empire - Mike Waechter
    Blog by a middle school math teacher in northern California. Posts, which date back to March, 2015, have included "The Good, The Bad and A Moment"; "NBA Desmos Scatter Plots"; and "Barbie Zip Line." ...more>>

  3. Recent Earthquake Teachable Moments - Incorporated Research Institutions for Seismology (IRIS)
    Incorporated Research Institutions for Seismology (IRIS) is a university consortium sponsored by the National Science Foundation (NSF), dedicated to the operations of scientific facilities for the acquisition, management, and distribution of freely available ...more>>

  4. Recherche dans MATHS France - Académie de Toulouse
    Un moteur de recherche qui scanne tous les sites académiques en mathématiques. ...more>>

  5. Recipes for Pi - Anna Weltman
    Blog born partly "out of a mixture of enthusiasm and anger about the ways that the world learns and shares math." Posts, which date back to February, 2012, have included "Tinker, Tinker, Algebra Student"; "Beauty Is a Math Art Class"; "The Mathematics ...more>>

  6. The Recovering Traditionalist - Christina Tondevold
    Blog by a "former middle school math teacher who learned, and taught, math the traditional way. That was until I realized that many of my students did not learn math the same way I did. So, I embarked on a journey to increase my understanding of mathematics ...more>>

  7. The rec.puzzles Archive
    The index of the rec.puzzles archive. Puzzles are categorized by subject area and include solutions compiled from various sources and supposed to be definitive. Subjects include: analysis, arithmetic, combinatorics, competition, decision, geometry, group, ...more>>

  8. The rec.puzzles Archive - Massachusetts Institute of Technology (M.I.T.)
    A list of puzzles, categorized by subject area, from the newsgroup rec.puzzles. Puzzles include solutions compiled from various sources, supposed to be definitive. Subjects include analysis, arithmetic, combinatorics, competition, decision, geometry, ...more>>

  9. Recreational Mathematics - David Eppstein, Theory Group, ICS, UC Irvine
    Some Web resources for recreational math, including links to Eppstein's pages own (Number Theory, Combinatorial Game Theory, and The Geometry Junkyard) and to pages by others. ...more>>

  10. Rectangle Pattern Challenges - Cynthia Lanius
    Examine different stges of rectangle patterns, and describe what you must do to get from one to the next. Observe the designs looking for patterns. Use the symmetry of the design to help you count. Organize your information into a table. On square grid ...more>>

  11. Rectangle Perimeter and Side Length - NASA Lewis Learning Technologies Project
    A rectangle with a perimeter of 24 inches might have adjacent sides measuring: 6 inches and 4 inches; 11 inches and 13 inches; 9 inches and 3 inches; or, 2 inches and 12 inches? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  12. Rectangular Parallelepiped, Cube Formulas (Ask Dr. Math FAQ) - Math Forum
    Formulas for finding the surface area and volume of a rectangular parallelepiped and a cube. ...more>>

  13. Recursos de Matemáticas en Internet - Flavio P.
    Información buscable, dividida en categorías que contienen enlaces comentados: altas, actividades, actualización, apuntes, buscadores, congresos, debate, enlaces, Escher, fractales, historia, lista general, Olimpiadas, publicaciones, ...more>>

  14. Recycling Topology - Ivars Peterson (MathLand)
    It's hard to miss the triangle of three bent arrows that signifies recycling. It appears in newspapers and magazines and on bottles, envelopes, cardboard cartons, and other containers. But have you noticed that there are two versions of this ubiquitous ...more>>

  15. Reducing/Simplifying Fractions - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about reducing and simplifying fractions, such as "How do you know when a fraction is in its simplest form?" and "What is the easiest method of reducing fractions to lowest terms?" and "Should fractions always be reduced ...more>>

  16. Reflections in the Plane - Bridget Dunbar
    Blog by an instructional resource teacher in a middle school in Maryland. Dunbar describes herself as having "loved math my entire life" and a person who does not "remember having a bad teacher — only teachers who made me love math more. I even ...more>>

  17. Reflections in the Why - Chris Hunter
    Blog by a K12 numeracy helping teacher in Vancouver. Posts, which date back to September, 2010, have included "Linear Functions — Concretely, Pictorially, Symbolically"; "Math Manipulative of the Month — Base Ten Blocks"; "A Linear Functions ...more>>

  18. Reflections of a Techie - Marsha Ratzel
    Reflections "on using 21st century technologies to amplify learning," as blogged by a self-described nerd who teachers middle grades math. Posts, which date back to July, 2003, have included "Finding the Little Truths of Math"; "Rational numbers need ...more>>

  19. Reflections on Deep Blue - Keith Devlin (Devlin's Angle)
    We generally assume that the ability to play a good game of chess requires intelligence when it comes to people. Why not for chess-playing machines as well? Well, here is one argument that shows that things are not so simple. One aspect of human intelligence, ...more>>

  20. reflectivemaths - Dave Gale
    Blog of "ideas as well as the odd resource" by an Advanced Skills Teacher (AST), SSAT Lead Practitioner and member of the TES Maths panel. Posts, which date back to December, 2010, have included "Mereside yr6 Daily Maths Challenge," "When Mathematicians ...more>>

  21. Regular Polygon Formulas (Ask Dr. Math FAQ) - Math Forum
    Formulas for finding the area, perimeter, etc. of a regular polygon, and constructing regular polygons with compass and straightedge, in particular the pentagon. ...more>>

  22. Regular Polyhedra: Formulas (Ask Dr. Math FAQ) - Math Forum
    Formulas for finding the surface area, perimeter, volume, etc. of regular polyhedra: tetrahedron, cube, octahedron, dodecahedron, icosahedron. ...more>>

  23. Re-Learning To Teach - Justin Aion
    Blog by an eighth grade teacher who "decided that I want to be a better educator. These are my exploits and thoughts as I strive to rediscover my passion and purpose." Posts, which date back to August, 2013, have included "Problem Solving, Vocab and Frustration"; ...more>>

  24. Religious Beliefs Made Visual: Geometry and Islam - Jane Norman, Consultant, Metropolitan Museum of Art
    Although the shapes and structures are based on the geometry of Euclid and other Greek mathematicians, Islamic artists used them to create visual statements about religious ideas. A discussion of the use of geometric motifs in Islamic art, with instructions ...more>>

  25. REL Network
    The network of ten Regional Educational Laboratories (RELs), serving geographic regions that span the nation, works to ensure that those involved in educational improvement at the local, state, and regional levels have access to the best available information ...more>>

  26. Remainder/Divisibility Puzzles - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about remainder and divisibility puzzles, such as "Write 1,000,000,000 as the product of two numbers, neither of which contains any zeros" and "Arrange the digits 0 to 9 such that the number formed by the first digit ...more>>

  27. The Remarkable Number 1/89 - Robert Miner
    An overview of the Fibonacci series, interesting facts about it, and a sketch of the proof of why the decimal expansion of the fraction 1/89 contains all the Fibonacci numbers expressed as a sequence of decimal fractions, a fact discovered by Cody Birsner. ...more>>

  28. Renaissance Learning Math Software - Renaissance Learning, Inc.
    A tool for educators that provides fresh exam and worksheet questions using algorithms to generate unique new permutations each time you use it. It is designed to meet the latest NCTM assessment standards for grades 5-12 using performance assessment questions ...more>>

  29. Renato Montemurro
    Libri dall'inventore delle tabelline times table: L'insegnamento della matematica nella scuola elementare (La Scuola); La matematica dalla scuola dell'infanzia alla scuola elementare (La Nuova Italia); una guida didattica per l'insegnante della scuola ...more>>

  30. Report to the President on the Use of Technology to Strengthen K-12 Education in the United States, March 1997 - President's Committee on Science and Technology
    A paper by the Panel on Educational Technology. Sections include: Introduction; Potential Significance; Hardware and Infrastructure; Software, Content and Pedagogy; Teachers and Technology; Economic Considerations; Equitable Access; Research and Evaluation; ...more>>

  31. The Republic of Mathematics - Gary E. Davis
    The Republic of Mathematics™ was founded "to promote happy and productive mathematical experiences for all learners, democratize the learning and teaching of mathematics, and help empower students and teachers in their engagement with mathematics." ...more>>

  32. Research for Better Schools (RBS)
    An educational R&D firm serving the Mid-Atlantic region, currently operating the Mid-Atlantic Eisenhower Consortium for Mathematics and Science Education. RBS offers educational development, evaluation, technical assistance, and training services ...more>>

  33. Research Ideas - George Gadanidis
    Disseminating math education research through performance, and studying the process and impact of research performance. Funded by the Fields Institute, Random Acts of Math brings math ideas to young children and their parents. Music videos of the Math ...more>>

  34. Research in Math Education - Mathematics Education at The Math Forum
    Research into the learning and teaching of mathematics: methods; K-12 and college undergraduate education (articles, conference sessions); bibliographies; centers; studies; special interest groups; organizations and journals. ...more>>

  35. Research in Practice - Ben Blum-Smith
    A "math education research digest" by a former teacher, private tutor, and faculty member of Bard College's Master of Arts in Teaching program who went on to pursue his doctoral degree from the Courant Institute of Mathematical Sciences at New York University. ...more>>

  36. Resourceaholic - Joanne Morgan
    Blog of teaching ideas and resources recommended by a Key Stage 5 Coordinator in a Greater London (UK) girls' grammar school. Posts, which date back to April, 2014, have included a recurring series of "math gems" as well as "Highest Common Factor and ...more>>

  37. Resource Bibliography: Children's Trade Books in Math - Beth G. Newhouse, Department of Mathematics & Statictics, Arizona State University
    A selected bibliography of books for kids that teach and reinforce math concepts, organized by topic: counting and number, number operations, large numbers, money, geometry, algebra, miscellaneous topics. Originally compiled by Dorothy Giroux and Denise ...more>>

  38. Resource Room (Math Central) - University of Regina, Regina, Saskatchewan, Canada
    French version: Centre de ressources. A service of Math Central that allows mathematics educators to share resources having to do with math teaching. Submissions are stored in a database that can be browsed by educational level and curriculum strand, ...more>>

  39. Resource Room: Math - Sue Jones, Team Prairie, LLC
    Resources, links, and articles for elementary+ math, including multisensory techniques, online times tables practice, concrete-oriented lesson plans for teaching integers, and more. Useful resources, especially for people who learn differently or who ...more>>

  40. Resources for Teachers - Lawrence Hall of Science (LHS)
    The LHS at the Univ. of California at Berkeley has been a pioneer in pre-college science and mathematics programs that emphasize the "learning by doing" approach, offering many different types of educational programs for all ages. Each of the Lawrence ...more>>

  41. Resources for Teachers of Developmental Mathematics (MAA) - Mathematical Association of America
    A page assembled by the ad hoc Subcommittee on Developmental Mathematics, with the beginnings of an annotated bibliography of articles related to developmental mathematics, including articles on the adult learner of mathematics and experimental programs ...more>>

  42. Resources for Undergraduates in Mathematics (MAA) - Mathematical Association of America
    Answers and links to sites that answer questions such as: What can I do with a math major? Where can I find help on finding the first job? What has been the experience of other students? What are some other resources? ...more>>

  43. Ressources en français - French Language Math Resources - Math Forum
    Mathematics and math education resources available online in French, collected by the Math Forum. Categories: Articles and Publications (Includes excerpts from the journal abraCAdaBRI); Lessons, Activities, Teaching Materials (Lesson plans, online courses, ...more>>

  44. Rethinking Schools Online: An Urban Educational Journal
    Founded in 1986 by activist teachers, Rethinking Schools is a nonprofit, independent publisher of educational materials that advocates the reform of elementary and secondary education, with a strong emphasis on issues of equity and social justice. Having ...more>>

  45. Retrosheet
    Digitizing play-by-play accounts of Major League Baseball games from the past century through the present. Freely download event files, which detail "literally every play" in big league baseball; game logs; schedules; narratives, which provide text play-by-play ...more>>

  46. Return of the Mathematical Tourist - Ivars Peterson (MathTrek)
    In the newly published, updated edition of The Mathematical Tourist, Peterson writes, "...computers have become commonplace tools used by nearly all mathematicians, not only to communicate with each other but also to explore mathematical questions... ...more>>

  47. A Review of Logarithms (S.O.S. Mathematics) - Dept. of Mathematical Sciences, Univ. of Texas at El Paso
    Since logarithms are exponents, the page presents a brief history of logarithms and reviews exponential functions before continuing on to logarithms and logarithmic functions. ...more>>

  48. The Review Zone - Tina Velgos
    In-depth software reviews for parents and teachers. CD-ROM Reviews in all major educational topic categories including Math and Science; also an alphabetical CD-ROM index of all titles reviewed, each title with the recommended age or grade level. ...more>>

  49. Revision Universe - Arnav Rawat
    Downloadable worksheets with questions on cumulative frequency; line graphs; mean, mode, median and range; pie charts; curved graphs; expanding brackets; graphical solution of equations; ratio; trial and improvement; area and perimeter; density, mass ...more>>

  50. Rhythms and Ratios - Peter Appelbaum
    Rhythmic patterns are used to help the student act as apprentice mathematician and citizen mathematician (reading the newspaper, responsible consumerism, etc.). Rhythmic Ratios observations and introductions include the Basic Pattern Idea; Something to ...more>>

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