 Models of Polyhedra (The Geometry Junkyard)  David Eppstein, Theory Group, ICS, UC Irvine
One of the most common forms of geometric modelmaking involves construction of the five Platonic solids, and of various related symmetric threedimensional polyhedra. The most common construction methods involve folding and gluing together cutout paper
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 Modularity in Art  Slavik Jablan, Mathematical Institute, Belgrade
Jablan uses the word "modularity" to refer to the process of making art by repeating a simple block, tile, or motif to make a more complicated design, by symmetry/reflection and/or tessellation. This site includes a paper on such art and its math, linked
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 The Moebius Strip  Jan Garner
An exercise on making a Moebius strip (a loop of paper with a half twist in it). How to make it, what to do with it, where to find it on the Web.
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 Money as You Grow  United States Department of Treasury
Twenty ageappropriate financial activity prompts for parents to promote financial literacy in their children. Companion site to Money as You Learn, another initiative  for teachers  of the President's Advisory Council on Financial Capability.
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 Money as You Learn  United States Department of Treasury
Lessons, activities, and other teacher tools to integrate personal finance into the teaching of the Common Core State Standards (CCSS) in Mathematics. "Personal finance big ideas" include cost/benefit analysis, delayed gratification, inflation, opportunity
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 Money Cents  MoneyCents, Inc.
Cartoon characters introduce the basics of saving and spending money. Interactive calculators to investigate sales and car loans, history quizzes, and Shockwave games.
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 The Money Game: World School Investment Challenge  Von Kaay Capital Network Inc., Ontario, Canada
A contest for schools (with a separate contest for high school seniors) that allows you to manage an investment portfolio. Classes or schools whose portfolios make the most money win some real money for their school. Find out the details and read the
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 Money Instructor
Teach and learn money, personal finance, money management. Free limited trial version, or pay for the full version. Includes money worksheets, lessons, lesson plans, counting money, spending and saving, checking, budgeting, investing, and more money topics.
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 Money  Lesson Ideas: Math; Teachnet.Com
293 Ways to Make Change for $1; Place Value Made Fun (dice games, counting money); Order Out (applying multiplication, planning, and calculator skills
by using an order out bill).
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 Money Math  Education 4 Kids, Inc.
Three types of games at two levels of complexity: making change, spending money, and "Piggy Bank Breakin."
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 Money Math: Lessons for Life  Mary C. Suiter, Sarapage McCorkle
Money Math: Lessons for Life is a free, four lesson curriculum supplement in PDF format that uses real world personal financial scenarios to teach mathematical
concepts and basic finance to students in grades 79. The lessons emphasize the application
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 Money Matters (SMILE)  Barbette Flennoy, Joseph Stockton School
A lesson designed to introduce students to different countries' money and the United States monetary value of a penny, a nickel, a dime, and a quarter. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by
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 Money Skills (Early Learning Series)  Marblesoft Software
Four activities for the Mac that teach counting money and making change in American and Canadian money.
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 MoneyWise: Parents & Educators  Charles Schwab & Co., Inc.
Resources for teaching kids and teens money basics: articles; handson activities; life lessons; families & money surveys; questions and answers from Schwab's "Ask Carrie" service on everyday financial challenges; workshops, curricula, and more.
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 Monica Neagoy: Mathematics and Mathematics Education Consulting Services
Monica Neagoy is a mathematics consultant, public speaker, tutor, and teacher. She offers keynote addresses, Math Magic shows, teacher professional development, creative/technical writing, and other activities at the intersection of arts, education, and
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 Monkey Pod Games  Monkey Pod Games
Monkey Pod Games specializes in puzzles that can be used in the math classroom in order to help students understand mathematical concepts more easily.
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 Monkeys Dividing Coconuts  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about monkeys dividing coconuts, such as "A monkey divides a pile of coconuts into three, tosses the extra one, and takes his share...."
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 The Monkey Shakespeare Simulator  AardAsNails Software
Simulating monkeys typing randomly on typewriters, this Java applet displays output that matches text from any of Shakespeare's plays in realtime. To raise the chances of "interesting results within our lifetimes," this simulation runs at an accelerated
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 Monthly Themes  NRICH Maths, Univ. of Cambridge
Past problems from the NRICH Online Maths Club, archived by month. Each problem has a symbol indicating the stage, which tells you how little or how much mathematics you need to know to solve the problem but is no indication of its difficulty. The five
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 Montpelier Portfolio Program (Mathematics)  Montpelier Public Schools
A site that invites students to use creative strategies to solve story questions. Students choose a problem to solve and send in the solution, showing how they found it; assessments of their efforts are returned via email. Questions to help guide students
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 Monty Hall Dilemma  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A full discussion (including simulation) of the famous "three doors" problem, also known as the Game Show problem.
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 The Monty Hall Problem  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Let's Make a Deal: If you're shown a goat behind the second of three doors, should you stay with your first choice or switch?
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 Moogie on the Net!  Joseph Emanuel, Emanuel Software
Commercial drill and diagnostic software where the numbers always change. Not meant to instruct students or to present them with new material, but rather, to help them learn the process of solving problems. Software aligned to national and numerous state
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 MooMooMath  Bryon Blankenbecler
Hundreds of instructional whiteboard video primers, examples, and practice problems with step by step solutions. Formerly a public school teacher and tutor, Blankenbecler now teaches online, through a virtual school.
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 More Complicated Than It Seems  Kate Nonesuch
In this review of the literature of approaches to adult numeracy instruction, Kate Nonesuch asks the question, "How can ABE math instructors apply research findings to their own teaching practice?" Through an extensive literature review and ongoing discussions
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 More Fibbery  Gregory K. Pincus
"Fibs./ Terse./ Defined./ As your tools,/ Twenty syllables;/ How you use them is up to you." The author explains this form of poetry and its two most important rules: the syllable count of 1/1/2/3/5/8  the first six digits from the Fibonacci sequence
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 More Meaningful Math  Monika Schwarze
An international project to motivate students ages 12 to 16 with problems that show the importance of mathematics in real life and related to other subjects, and to enrich their teachers' methodology. Browse the file archive of freely downloadable documents
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 More Papercutting Patterns (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
Conical, cylindrical patterns, Moebius, and other symmetrical patterns to experiment with.
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 More than Just a Plane Game  Ivars Peterson (MathTrek)
When topologists started to explore the world of geometric forms in higher dimensions, they found that neither the intuition nor the vocabulary of ordinary geometry was sufficient to describe and classify the new forms they discovered. They introduced
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 Morphing Art (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
When you're riding along on your bike or in a car, you sometimes see the word "ONLY" painted on the roadway just before an intersection. The white letters look normal from where you're sitting. But if you were standing beside the "ONLY" instead of riding
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 The Most Colorful Math of All (MegaMath)  Nancy Casey; Los Alamos National Laboratory
Coloring is a profound mathematical topic with multimilliondollar industrial applications. The problem presented here has been of interest to mathematicians for over a hundred years. With a few crayons or markers and some handdrawn maps, children can
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 Mostly Modular Origami  Valerie Vann
Modular Origami is a branch of the art of paperfolding. The earliest modular origami is probably Asian (Japanese, Chinese) in origin. Unlike regular origami, where a figure or sculpture such as a crane, frog or airplane is made from a single sheet of
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 MOTIVATE  Univ. of Cambridge, UK
MOTIVATE is a project incorporating a series of videoconferences, run by the Millennium Mathematics Project at Cambridge. The objectives of MOTIVATE are: to enrich the mathematical experience of school students, to broaden their mathematical horizons,
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 Mount Everest Math Puzzles  Paula Fleischer; Peachland Avenue Elementary School, Newhall, CA
Kids (or grownups) answer math questions and get passwords that allow them into 'camps' higher and higher on Mt. Everest until they reach the summit. At each camp they find photos of the mountain and climbers, and tackle progressively more complex math
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 Mozart's Musikalisches Würfelspiel: A Musical Dice Game for Composing a Minuet  John Chuang
During his life, Mozart wrote the measures and instructions for a musical
composition dice game that cuts and pastes prewritten measures of music together to create a minuet. Compose a minuet online in one of three ways: CGI generates all random numbers,
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 M Puzzle: a Math Line Puzzle  Math Forum
Construct nine triangles by drawing three straight lines through a capital M. Questions, hint, solution.
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 MQS Search  Mathematical Quotations Server, Furman University
Search the Mathematical Quotations Server by keyword.
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 Mr. Brandenburg's List of Recommended Books on Math and Science  Guy Brandenburg
A list of over 140 math and sciencerelated books, mostly recent, for geometry students to choose from, read, and do a report on. This new list is organized by topic: astronomy; bad science; biography: mathematicians + scientists; biology/life science/evolution;
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 Mr. Kelley's AP Calculus Home Page  Mike Kelley
A teachermade site that allows students to answer middle and high school math questions from people all over the world. Also an archive of past problems of the week, rated by difficulty.
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 Mr. Math Puzzler  Young Saint Louis.com
A regular feature from the monthly YoungSaintLouis.com. Postmark answers by the 15th of the month for recognition and the chance to win prizes such as gift certificates. Mr. Math Puzzler is Wayne Hesse, a math teacher at Green Park Lutheran School, who
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 Mrnussbaum.com  Greg Nussbaum
Mrnussbaum's Math Lab has games such as Tony Fraction's Pizza Shop; Smart Poll; Cash Out (for practice making change); and Tackle Math Ball, Math Speed, Buffalo Math, and Math Fries (all timed games for practice adding, subtracting, multiplying, and dividing).
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 Mr. Pitonyak's Pyramid Puzzle  John S. Pitonyak
A webquest in which students are divided into construction teams that research the cost of building a pyramid, explore actual pyramids through online exhibits, and submit calculations that they would use to build their pyramid. The site includes instructions,
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 Mrs. Glosser's Math Goodies  Gisele Glosser
Interactive math lessons that work online and offline in a Web browser, and provide immediate feedback to students, with in addition Worksheets (on circumference and area; exponents; expressions and equations; integers; Ocean Math; order of operations;
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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
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 MSEB Classics  Mathematical Sciences Education Board, National Research Council
Reports issued between 1990 and 1995, from the MSEB: Mathematical Preparation of the Technical Work Force: Report of a Workshop; What Should I Look for in a Mathematics Classroom?; Achieving Quality in Undergraduate Mathematics (see also Looking for Gauss...or
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 MSPnet: The Math and Science Partnership Network  TERC
The Math and Science Partnership (MSP) Program is a major research and development effort to understand and improve the performance of K12 students in mathematics and science. MSPnet is their electronic community. Learn about individual partnership projects;
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 MSRI Journal  Ivars Peterson (MathTrek)
The new journalistinresidence program at the Mathematical Sciences Research Institute (MSRI) in Berkeley, California represents one effort to improve communication of mathematics. Peterson will spend the summer of 1999 there.
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 MSTE Java  University of Illinois at UrbanaChampaign (UIUC)
Javabased activities submitted to MSTE, the Office for Mathematics, Science & Technology Education at UIUC. Topics include: best fit; box perimeter; Buffon's needle; CAD viewer; cereal box problem; chisquared test analysis of random marbles; cliff
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 mtbos directory  Jedidiah Butler
Filter, search, map, or browse through profiles of teachers in the mathtwitterblogosphere. Pulldown menus include roles, geographic regions, and interests; slider bars narrow down the years when someone first started teaching, tweeting, or blogging.
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 Mucho Math  Jake Enfield
Flash program for students to learn math vocabulary and mental math tricks through best practice teaching methods (discovery learning, scaffolding, spiraling, and customized learning). Teachers can create an account and add one student for free to try
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