 Math  Wonderopolis®
Each Wonder of the Day® includes several paragraphs' overview (Did you know?), modeling suggestions (Try it out!), a vocabulary list (Wonder Words), and other information to stimulate children's curiosity. Share your wonderments, questions, and answers
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 MathWonders, LLC  Amy ClarkWickham
Makers of ClockWise products, which draw on the image of the 12hour analog clock to conceptually unite the decimal (10), duodecimal (12), and sexagesimal (60) patterns that emerge from nature and everyday experience. Purchase the ClockWise system book,
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 Math Worksheet Generator  Hieu Tran
Create primary math worksheets with parameters of your choosing. Freely generate problem sets on counting, skip counting, ordering of numbers, rounding, addition, multiplication, equivalent fractions, addition of fractions, sequences, and Roman numerals.
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 The Math Worksheet Generator  MathAids.Com
Free printable worksheets, with answer key, randomly generated so they're different each time you request one.
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 Math Worksheet Printables  Anthony and Clara Rogers, HS Unlimited
Userfriendly math printable generators: Use our worksheet generators to print a limitless supply of math
worksheets. Topics include addition, subtraction, multiplication, division, reading clocks, counting change, working with fractions, word problems,
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 Math Worksheets
Free worksheets for practicing arithmetic, geometry, prealgebra, and algebra, accompanied by written explanations and instructional videos. Each worksheet comes with an answer sheet; select from a range of difficulty levels.
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 Math Worksheets Center
Thousands of teachermade K12 math worksheets, lessons, homework assignments, quizzes, and tip sheets. Browse by grade level or student age; each math topic links to an index of the remedial math worksheets that point up the skills needed to get to that
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 The Math Worksheet Site  Scott Bryce
An online math worksheet generator, for addition, subtraction, multiplication, division, fractions, measurement, graphing, and telling time, and including a one hundred chart.
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 Math Worksheets Land
Thousands of downloadable math worksheets, aligned to the Common Core State Standards (CCSS) and with solutions, by a retired teacher: addition, algebra, area and perimeter, basic operations, complex numbers, counting, decimals, division, estimation,
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 Math Worksheets  PedagoNet
PedagoNet is a Canadian site offering free resources for primary teachers, including build your own worksheets, premade worksheets for Grades 1, 2, 3, and 4, and flashcards for Grades 1, 2, and 3.
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 Math Worksheets World  Math Worksheets World
Math Worksheets World features printable math worksheets, lessons, and teacher materials. Created by math teachers for Kindergarten through High School students. Try samples free or sign up for a yearly subscription.
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 MathWorld Interactive  Carolynn S. Mortensen
Openended word problems and some answers from this nowdefunct project. MathWorld began as MathMagic FidoNet in 1991, and was dedicated to helping educators and parents motivate their students to solve openended word problems, communicate mathematically,
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 MathWorlds  SimCalc: Simulations for Calculus Learning
MathWorlds enables students to learn through exploration of animated worlds and dynamic graphs. The worlds present moving objects and characters in a variety of settings, such as elevators in a building or duckies on a pond. Manipulable graphs control
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 MathXL  Addison Wesley Longman
A Webbased tutorial system based on Addison Wesley math texts. For PCs running Windows 95, NT, 98, or 2000. MathXL offers practice tests correlated to the chapter tests in your book; personalized study plans, based on your test results, that list the
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 Math Xpander  Saltire Software
A scientific and graphing calculator supporting graphic interaction, for Pocket PCs or Windows NT or 2000 Pocket PC emulators.
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 A Matter of Appreciation  Cut the Knot!, Alexander Bogomolny
It is possible to learn to appreciate painting without being a painter... by analogy, it is possible to appreciate mathematics without being a mathematician. Appreciation does not require mastery, but it is impossible without adequate knowledge. Knowledge
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 MatthewMaddux Education  Egan J. Chernoff
"Information associated with mathematics (education)," as digitally curated by Chernoff, a Professor of Secondary Mathematics in the College of Education at the University of Saskatchewan. Posts, which date back to June, 2011, have included "New math
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 MAV Publications Catalogue  Mathematics Association of Victoria
Descriptions and listings of publications: Primary; Primary/Secondary; Secondary; MAV Conference Books; Deakin University Press Publications; Curriculum Corporation Publications; Hawker Brownlow Publications; Price List and Order Form; 1998 MAV CAT Preparation
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 Mayan Arithmetic  Steven Fought
A discussion of the importance of the Mayan symbol for zero and a tutorial on adding Mayan numbers by Steven Fought, written when he was a junior at Strath Haven High School in Wallingford, Pennsylvania.
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 Mayan Math  Karen M. Strom
The Mayans devised a counting system that was able to represent very large numbers by using only 3 symbols, a dot, a bar, and a symbol for zero, or completion, usually a shell. Charts here show the number cycle, as well as principles of arithmetic.
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 Mayan Numbers  Rhonda Robinson; Virtual Science and Mathematics Fair
This 1995 report explores the number system of the Mayans, which was in some respects very similar to ours: they used a symbol for 0 and had symbols for the numbers 0  19.
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 MayaQuest  Classroom Connect
In February 1995, the MayaQuest team led by adventurer Dan Buettner embarked upon a wholly kiddirected bicycle expedition into the Maya world of Guatemala, Mexico, Belize and Honduras. The goal of the threemonth expedition was to engage kids and their
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 Maze Design  Adrian Fisher
What's new in the maze world? The latest maze news, plus general maze information: Tessellations & Tiling Patterns; 1998 Dragon Maize Mazes; World's Best Mazes for families to visit; World Maze Database (all the mazes on Earth, country by country);
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 Mazzocco Lab  Regents of the University of Minnesota
Researching cognitive development and function on problem solving behaviors, with special interest in "the development of numeracy skills, how those and other cognitive skills interact to affect and predict long term mathematics achievement outcomes,
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 Möbius in the Playground  Ivars Peterson (MathTrek)
Many people are familiar with the remarkable onesided surface known as the Moebius band. You can easily make one by gluing or taping together the two ends of a long strip of paper after giving one end a half twist... At the Sugar Sand Science Playground
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 Meaningful Learning Research Group  Dr. Joseph Novak
The group works with a number of common beliefs, primary among them the idea that the best way to teach is to determine what the student already knows, and then to teach from there. They believe that teaching and learning grounded in a coherent theory
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 Measurement Conversions  ConvertValues.com Measurement Conversions
A simple tool for converting different measurement units: length, area, volume, weight, mass, time, temperature, speed, force, power, and more.
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 Measurement of Volume (SMILE)  Richard Murray, Gage Park High School
A lesson designed to teach students to measure the volume of a clear container; use a stop watch; and estimate the volume of a container using proportions. From the Geometry and Measurement section of a collection of almost 200 single concept lessons
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 Measurements: Inches (SMILE)  Joyce McCoy, Spencer Math and Science Academy
A lesson for the primary grades designed to teach students to solve problems involving measurement using information taken from various items measured. Students measure to the nearest inch, identify the length and width of rectangles, write simple addition
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 Measurement Units Translation  Sergey Gershtein, UralRelcom, Ltd.
Javascript converters for weight, capacity and volume, length, area, speed, pressure, temperature, circular measure, and time.
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 Measurement  What Is It? (SMILE)  Claudy E. Chapman, Hartigan School
A lesson designed to teach students practical reasons for measurement; the use of various tools for measurement; how and why those tools might be chosen and/or designed; and the need for uniformity and agreement on definitions of measurement. From the
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 Measuring an Angle  NASA Lewis Learning Technologies Project
What is the measure of the angle shown? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Measuring Centimeters  NASA Lewis Learning Technologies Project
If a pencil were 7.5 centimeters long, where would its point end on this centimeter ruler? A diagram and a detailed answer are provided. From NASA's 9th Grade Math Proficiency Test.
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 Measuring Temperature, Adding Degrees  NASA Lewis Learning Technologies Project
From the thermometer reading below, about how many more degrees must the temperature rise to reach 50 degrees? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Measuring Up, Prototypes for Mathematics Assessment  National Academy of Sciences
An electronic version of Measuring Up, a book on assessing students in accordance with the NCTM math standards by the National Research Council that provides examples of problems students should be able to solve at a fourth grade level and insights on
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 Measuring What Counts: Executive Summary  MSEB, National Research Council
"'You can't fatten a hog by weighing it,' said a farmer to a governor at a public hearing in order to explain in plain language the dilemma of educational assessment. To be useful to society, assessment must advance education, not merely record its status...."
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 Measuring with Two Containers  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about using two different containers to measure out a third quantity, such as "How can you measure 7 liters using only 4liter and 9liter pails?"
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 megaConverter.com  BenCam InterMedia
megaConverter.com is an evergrowing set of weights, measures and unit conversion/calculation modules. Spin a dial to select the kind of unit to convert: ancient lengths, volume, weight; angles; area; astronomical distance; bases  dec/hex/oct/bin; density;
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 MegaPenny Project  Kokogiak Media
What would a billion (or a trillion) pennies look like? Find out here, in pages listing data on one to one quintillion pennies. All the pages have tables at the bottom, listing things such as the value of the pennies, size of the pile, weight, and area
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 Members & Activities (AMS)  American Mathematical Society
Includes information and resources on Membership in the AMS (becoming a member, individual, institutional, associate, and corporate membership, FAQ); Membership Benefits (Membership List, eMail Forwarding, Meetings and Conferences, Notices, Bulletin);
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 Memory Joggers
An aide to learning multiplication and division facts, using multiple learning modalities including seeing, hearing, speaking, drawing, and moving. Site includes description of the product, a sample lesson, description of the teachers' package, and ordering
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 Memory Joggers  Donnalyn Yates
Memory based learning systems to successfully teach Multiplication/Division and
Addition/Subtraction fact families, using picture cards, stories, rhymes and
associations. Flash cards and books for purchase.
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 The Menelaus Theorem  Cut the Knot!, Alexander Bogomolny
Ceva's and Menelaus' theorems compared and two proofs of the latter. An interactive column for MAA Online that uses a Java applet to simulate a puzzle or mathematical problem, one not stated directly since the applet is intended to be such that the right
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 Mentalmath  EUDACTICA
Makers of superTmatik mental math cards, and organizers of the International Mental Math Championship, which has developed number and calculation skills in children ages 615 since 2006.
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 Meredith Mathematics & Science Institutes  Meredith College
Residential professional development opportunities that focus on the "big ideas" of mathematics content for preK through high school. Learn about institute highlights, read testimonials, register, and more. MMSI and the creators of the game 24®,
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 Meridian Math Software  Meridian Creative Group, Larson Texts, Inc.
A publisher of supplemental educational math materials for students in grades K8, offering a range of comprehensive, interactive, math software programs: Larson's Excel @ Algebra; Middle School Math; Leapfrog Math (K2, 36); Larson's Sliding GeoBeads,
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 Metacognition (Learning and Mathematics)  Alan Schoenfeld; Math Forum
In his 1987 book, Cognitive science and mathematics education, Schoenfeld wrote a chapter called "What's all the fuss about metacognition?" in response to a challenge from mathematicians (among them Joe Crosswhite, Henry Pollak, Anna Henderson, and Steve
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 Meters Squared or Square Meters?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the difference between saying "units squared" and "square units," such as "What is the difference between 10 square miles and 10 miles square?"
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 Metric and English Unit Conversions  Science Made Simple, Inc.
Convert between different unit measurements, both English and metric: area, length, temperature, time, volume, weight, or fruit (apples to oranges).
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 Metric Conversions
Online metric conversion calculators for length, area, volume and weight along with some of the units origins and some conversion tables for printing.
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