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 Mr. Vaudrey's Class - Matt Vaudrey Blog by a secondary educator who "wears costumes, plays loud music, stands on desks, and shows pictures and video — all to make math meaningful for his students." The contents of mathematical posts, which date back to January, 2008, have included ...more>> Multicultural Math Fair - Suzanne Alejandre, Frisbie Middle School Twenty-nine percent of Frisbie's student population is Limited English Proficient; Arabic, Cambodian, Chinese, German, Indonesian, Korean, Philipino, Polish, Portuguese, Romanian, Samoan, Spanish, Taiwanese, Vietnamese, and Urdu are represented. In 1993-94 ...more>> Murderous Maths - Kjartan Poskitt et al. Contents, descriptions of characters, updates, and "extra bits" for the books Murderous Maths; The Essential Arithmetricks; Desperate Measures; Do You Feel Lucky?; Vicious Circles and other Savage Shapes; The Phantom X; The Fiendish Angletron; The GCSE ...more>> Music through the Curriculum - Phil Tulga Developers of math programs such as "Math and Music," which teaches students how to "hear" math (what does a fraction sound like? how about a shape?); and "Math, Science and Sound," an assembly and family night program that connects thunder, volcanoes, ...more>> Musing Mathematically - Nat Banting Thoughts from a high school mathematics teacher on the teaching of mathematics, and the learning of mathematics. Posts, which date back to May, 2011, have included "Playing with Mean, Median & Mode," "Attaching a 'Why' to the 'How," "The Mathematics ...more>> My Magic Square - Michael Dormann Enter a number from 23 to 100, then press the calculate button to see a completed 4x4 magic square, of which any row, column, diagonal, the center square, and the four corners each sums to the number entered. ...more>> Next Generation Preschool Math - WGBH Educational Foundation "Can engagement with activities in a media-rich curriculum supplement improve low-income children's early learning of number and equipartitioning?" By developing and evaluating iPad apps for pre-schoolers, tools for tracking their progress, and guides ...more>> Nifty Ideas: Hands-On Math Lab - Fran Endicott Armstrong Rationales, lesson plans, notes, and sample materials for first quadrant graph games (graph hide and seek and collinear game) and skip counting and multiples activities (counting people and hands and fingers, and arithmetic calculator). The triangular ...more>> No Matter What Shape Your Fractions Are In - Cynthia Lanius Students explore geometric models of fractions and discover relations among them, reinforcing their knowledge of fractions by using online pattern block activities. The lessons are designed for students to work independently or with guidance from the ...more>> The Nuffield Foundation Math teaching and learning resources include freely downloadable Free-standing Mathematics Activities (FSMAs) and Applying Mathematical Processes (AMP) activities, a mix of investigations and practical explorations. The Nuffield Foundation works to improve ...more>> Number Guessing - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny Think of a number and answer a few questions posed by the computer. After a while the compter will announce your number. The trick is based on a special card design whose variations appeared more than a hundred years ago. ...more>> Number Patterns - Harvey Heinz A brief description of why mathematics is often called the science of pattern followed by examples of a variety of magic squares of various types; examples of orders 5 to 12d magic stars, and selections from Heinz's collection of over 400 number patterns ...more>> Number Patterns in Pascal's Triangle (SMILE) - Ulysses Harrison, Dunbar Vocational High School A lesson for grades 5 and up designed to enable students to recognize the integers, rows, and columns that comprise Pascal's Triangle. The main objective of the lesson is to enable students to reproduce the first eleven rows of Pascal's Triangle by recalling ...more>> Numbers - Kirsten Silverman Blog by a Massachusetts middle school math teacher who "loves number theory and thinks sixth grade is the perfect place to share this." Posts, which date back to August, 2012, have included "Flipping"; "Cogs"; "LCM, GCF, and Fractions"; "Ordering Fractions"; ...more>> NumberSpiral.com - Robert Sacks Instructions, observations, formulas, and a glossary about number spirals, formed by writing the non-negative integers on a ribbon, rolling it up with zero at the center, and arranging the spiral so all the perfect squares line up in a row on the right ...more>> NUMDRUM - John T. Harrison The "Numdrum" helps children understand addition, subtraction, and other fundamental arithmetic concepts. An alternative to the number line and the 10 x 10 number square, this "decimal helical number line" lists integers around a tube, ten to a turn, ...more>> 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>> Original Lesson Plans - Mathematics - Thirteen/WNET New York Original Web-based activities developed by Thirteen Ed Online Master Teachers. Each lesson consists of an overview with learning objectives, procedures for teachers, and "organizers" for students -- hand-outs, bibliographies, and other materials. Math ...more>> Ostrich Llama Count - Examining Solution Methods - Suzanne Alejandre Activity, alignments, directions, extensions, and activity sheets that detail five ways to solve the Problem of the Week (PoW) "Ostrich Llama Count." Originally published in the March, 2013, issue of the CMC ComMuniCator, journal of the California Mathematics ...more>> Pascal's Fractals - Ivars Peterson (MathLand) It's possible to convert Pascal's triangle into eye-catching geometric forms. For example, one can replace the odd coefficients with 1 and even coefficients with 0. Continuing the pattern for many rows reveals an ever-enlarging host of triangles, of varying ...more>> Pascal's Triangle and its Patterns All kinds of information about Pascal's triangle: sums of the rows; prime numbers; hockey stick pattern; magic 11's; Fibonacci sequence; triangular numbers; square numbers; polygonal numbers; points on a circle; connection to Sierpinski's triangle. ...more>> Pascal's Triangle from Top to Bottom - Matthew Hubbard and Tom Roby A comprehensive resource for the study of Pascal's Triangle. The section "Applications" addresses questions such as "What types of questions are answered by the binomial coefficients?" and "What number greater than 1 shows up most often in Pascal's Triangle?" ...more>> Pascal's Triangle Interface - Andrew Granville A form that lets you visualize the entries of Pascal's triangle with respect to a modulus between 2 and 16. Select values for the number of rows, modulus, and the size of the image, and submit. ...more>> Pattern Exploration: Integrating Math and Science for the Middle School - Martin Logan et al. Download PDFs of lesson plans from units such as The Pascal-Sierpinski Connection, Branching Patterns in Trees, Lessons in Paper Folding, Fractal Wallhanging, Patterns in Nature, Scaling and Dimension, and more. With accompanying Java applets and Cabri ...more>> 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>> Patterns, Patterns, Everywhere - Nina Heal Three lesson plans: an internet-based research project on patterns; connections between the arts of M. C. Escher and quilters; and a technology-enriched tessellations lesson. Includes a teacher resource page with rubrics. ...more>> 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>> Pentomino Relationships - Adrian Smith The site describes how pentominoes (twelve pieces of wood, each a different shape and each made of five cubes) fit together into rectangles or cuboids, as well as the subsequent challenge of finding as many other solutions as possible from the one just ...more>> Perfect Numbers - Math Forum, Ask Dr. Math FAQ What is a perfect number? How many are there? How can you calculate a perfect number from a Mersenne prime? ...more>> Pick a number from 1 to 10 ... for SCIENCE! - Alec Perkins "When asked 'pick a number from 1 to 10,' people tend to pick certain numbers more than others, in particular 7 and 4 over the extremes...." Participate by choosing your own number; see bar graphs and line plots of data submitted thus far according to ...more>> PlaneMath - InfoUse, in cooperation with NASA Materials for elementary school students about math and aeronautics, designed to stimulate and motivate students with physical disabilities in grades 4-7 to pursue aeronautics-related careers via the development and delivery of accessible math education ...more>> Plastelina Logic Games - Plastelina Free Flash games include classic constrained "crossing" problems, such as the puzzle of ferrying a wolf, a sheep, and a head of cabbage across a river in a boat that only holds any two of them at once, without leaving the wolf and sheep alone in each ...more>> Poetry Patterns (TEAMS) - Jeannie Toshima; TEAMS Distance Learning, Los Angeles County Office of Education Mathematical patterns in numbers and in poetry. This activity involves students in writing two forms of poetry - diamante and cinquain - that involve mathematical word patterns. ...more>> Power Cards: A Mathematical Puzzle - Cynthia Lanius Choose a number from 1-31. Tell me which cards below contain the number, and I can tell you the number. How do I do it? (A hint and directions for making more cards are given.) ...more>> The Power of One - Robert Matthews, The New Scientist Benford's law demands that around 30 per cent of the numbers in a given data set will start with a 1, 18 per cent with a 2, right down to just 4.6 per cent starting with a 9. This essay provides a mathematical history behind the counterintuitive law, ...more>> Pre-Algebra Problem of the Week - Math Forum Math problems for students learning algebraic reasoning, identifying and applying patterns, ratio and proportion, and geometric ideas such as similarity. The goal is to challenge students with non-routine problems and encourage them to put their solutions ...more>> Problem Corner - Les Reid; Southwest Missouri State University (SMSU) High School, Advanced, and Challenge problems, updated monthly (approximately). High School: solutions are not solicited, although feedback (generalizations, suggestions for future problems, etc.) is appreciated. Each month, the solution to the previous ...more>> Problem Pictures - Richard Phillips A CD-ROM of 184 attractive, unusual, or puzzling color photographs accompanied by activities for mathematics teaching. Images may defy explanation, motivate investigation, or inspire the viewer to answer a question. Other pictures may be the starting ...more>> Problem Problems - Michael Pershan Blog by a New York City math teacher trying "to better understand the connections between problem solving, learning, and teaching." Posts, which date back to May, 2015, have included "Getting Stuck on a Geometry Problem," "Minimalistic Hints Are Still ...more>> Problem Solving Island - Samuel A. Rebelsky Challenging open-ended word problems on the topics of games, such as Blockade, Finger Multiplication, and The Word Pyramid; puzzles such as Error Correction, Error Detection, The Fake Coin, Friday the 13th, and Leap Birthdays; and problems based on figures, ...more>> Productive Struggle Group blog, with most contributions by secondary math and science teachers, that aims to "push teachers to learn in the same way that we push our students to learn" and "work together to make our struggles productive." Posts, which date back to March, ...more>> Project IMPULS - Tokyo Gakugei University Project IMPULS (Project for International Math-teacher Professionalization Using Lesson Study) offers opportunities and ideas for mathematics teachers using lesson study. The library includes lesson study about positive and negative numbers; division; ...more>> Project Interactivate - Shodor Education Foundation, Inc. Interactive middle school lessons on number and operations, geometry and measurement, functions and algebra, and probability and statistics. They feature: online activities (illustrative Java applets including: Venn diagrams; clock arithmetic; Pythagorean ...more>> Project SkyMath: Making Mathematical Connections - University Corporation for Atmospheric Research Using the science and language of patterns to explore the weather. A middle school mathematics module using real-time weather data and current environmental issues to promote the learning of significant mathematics, consistent with the NCTM Standards. ...more>> ProTeacher - ProTeacher A teacher-created resource site for elementary schoolteachers, offering lessons and materials, education news, links for finding schools, news and weather, and a reference desk. An index of links to information on various academic subjects includes Mathematics ...more>> Puzzle of the Week - Ralph Grove A small archive of math and word puzzles having to do with patterns, permutations, and probability, with solutions, from a professor of computer science at Indiana University of Pennsylvania. ...more>> Pyramids and Algebra - David C. Miller Four questions that explore the problem of creating a pyramid from a set of dominoes, dealing with the concepts of arithmetic series; derivation of square roots including a graphical method; scientific notation; exponential notation; quadratic equations; ...more>> Pythagoras: Music and Space - J. Boyd-Brent A brief introduction to Pythagoras' observations on the relation between music and number. Graphics show music intervals expressed as mathematical ratios. Pythagoras observed that when the blacksmith struck his anvil, different notes were produced according ...more>> Quiximity - CleverMedia Race against the clock to find three-of-a-kind that match in color or shape, earning point bonuses for objects adjacent to one another. Requires the Flash plug-in. ...more>> Quiz Me - D. Kell and Mercer County Community College Interactive quizzes constructed using software provided by Addison Wesley Longman Publishers. Auto-scoring, multiple choice self-tests on whole numbers (place value, operations, applications, rounding, roots and order of operations); fractions (equivalencies, ...more>>
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