 Materials for Math Teaching  Antonija Horvatek
Antonija Horvatek, a math teacher in Croatia, offers her Geometer's Sketchpad (.gsp) files and Power Point (.ppt) files that explain: fractions, decimal numbers, integers, rational numbers, equations, functions, perimeter and area, plane transformations,
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 Matesfacil  Jose Llopis
Ejercicios resueltos de matemáticas: potencias; binomio de Newton; productos notables; ecuaciones de primer e segundo grado; ecuaciones bicuadradas, logarítmicas, exponenciales, y irracionales; geometría plana; ruffini; progresiones;
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 Math2.org (formerly Dave's Math Tables)  David Manura
A collection of useful searchable math reference tables, formatted especially for the Web. Tables cover topics in general math (number notation), algebra (identities, polynomials, exponents, etc.), geometry (areas, volumes, surface areas), trigonometry
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 Math500.com  Joe Cunningham
Selfguided problems to solve with automated feedback based on the strategy you select from among the multiple choices presented at each step, or upon the intermediate calculation you enter. Worked examples provide additional stepbystep support. Choose
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 Math Activities for Grades 912  Biezad, Ward; NASA Dryden Flight Research Center
Lesson plans based on aeronautical themes and NASA projects. Topics include: Latitude and Longitude: A Real Life Example of the Distance Formula; Graphing: The SR71: Discovering the Linear Relationship between Celsius and Fahrenheit; Battery Depletion
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 Math Advantage  Harcourt Brace School Publishers
Java and Shockwave activities (for individual or cooperative group work), sorted by grade level (K through 8); and parent/teacher features within each activities list, with further activities. The main site, the Learning Site, also offers parent and teacher
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 Math Adventures  George Gadanidis
Site for MathMania magazine, published four times yearly. It was originally published from 19891992, and was revived in 1999. February and April issues from 1999 are available free. The site also offers activity books, games, software, and a book on
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 Mathagogy  Peps Mccrea
"Two minute mathematics education" videos posted by teachers on how they teach particular concepts. Pedagogy clips outline approaches to teaching proportion, proof, prime numbers, probability, sine and cosine graphs, and algebraic literacy; or with Cuisenaire
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 Math and ProblemSolving  Dan Rosard
This site offers help with procedures, particularly in areas which have been observed to cause problems to some students; and unstructured problems with clues and questions. The first problem attempts to emulate the thinking used in the development of
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 Math and Science: Recommended Books (Natural Math)  Maria Droujkova and Dmitri Droujkov
An annotated list of books in alphabetical order by author, selected because they are pleasant to read, have valuable math or math education content, are respectful to students, and are accessible to a broad audience. Books may be purchased online through
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 Math and Soccer Video  Sharp Tack Productions
A video revealing the role played by numbers, graphs, geometry, algebra, angles, area, surveys, and chance data in the game of soccer; for example, how a goalie relies on the properties of angles to know where to stand when defending the goals, and on
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 Math Applets  Tristan de Frondeville, Educational Object Economy (EOE)
The author, a math teacher in San Franscisco, describes how he has begun to use Java Applets in his classes and the results he has been getting. The applets are linked at their descriptions in the text.
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 MathApplications  Cathleen V. Sanders
An interactive mathematics course offered via the Internet to students throughout the Hawaiian islands. Cathi Sanders, a teacher at Punahou School in Honolulu, teaches this course through ESchool, a pilot project of the Hawaii Department of Education
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 MathArguments180.com
Subtitled "180 Days of Ideas for Discussion in Math Class," this blog of prompts dates back to January, 2014 with posts such as "Improperly Canceling Fractions," "Order of Operations is Wrong," and "Why 360?"
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 MathAssist  Bernd Schultheiss
Math shareware from Germany (English, French, and German versions are available) for secondary level or high school students and teachers. MathAssist helps in solving most of the tasks of algebra, geometry, analysis, stochastics, and linear algebra.
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 Math A Tube
A collection of short instructional math videos, gathered from around the web, on addition; algebra (elementary); base ten blocks; compare and order; counting numbers; decimals; division; Everyday Math methods; estimation; exponents; factors; fractions;
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 MathBits.com  Frederick and Donna Roberts
Devoted to offering fun, yet challenging, lessons and activities in high school/college level mathematics and computer programming to students and teachers. Includes Teacher Resources for Algebra, Geometry, Algebra 2, and Statistics; Finding Your Way
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 Math Blaster  Knowledge Adventure, Inc.
Hub for the Math Blaster outer spacebased Massively Multiplayer Online (MMO) game. Free math resources include activities, practice, worksheets, and problems.
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 MathBlues.com  Rafiq Ladhani
Stepbystep explanations and worked problems "all about the new SAT." Browse the weekly articles by topics such as algebra, trigonometry, geometry, statistics, and "math art." This SAT preparation site for students also includes message boards, weekly
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 Math  Brightstorm  Brightstorm, Inc.
Search and browse this online learning network's hundreds of free algebra, geometry, precalculus, and trigonometry videos. Produced to complement inschool learning in "personalized formats that map to the way teens consume digital content," Brightstorm
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 Math Calculators and Solvers Online  ACalculator
Online calculators for calculating or solving areas of rectangles, triangles, squares, circles, and more; volumes of rectangular prisms, pyramids, spheres, cylinders, conical frustrums, cones, capsules, and more; binary operations; fraction operations;
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 MathCaptain  mathcaptain.com, Inc.
Chat tutoring services in algebra, geometry, trigonometry, calculus, number systems, and statistics. With free online primers and solved examples.
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 Math Celebrity  Don Sevcik
Free online calculators and instructional screencasts in actuarial science, accounting and taxes, algebra, basic math, calculus, capital budgeting, conversions, discrete math, economics, engineering, finance, gaming, geometry, linear algebra, physics,
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 Math Club  Mary Kathryn Eisemann, Tomasz Jan Klosowski, Micjal Andrzej ZabickiThinkQuest 2000
Brief tutorials, puzzles, and brain teasers for students aged 1217. Some topics include: equations, trigonometry, geometry, set theory, logic, and induction. The games range from mazes to magic squares to Victorian parlor games. Students may log in
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 mathcoachblog.com  Bob Lochel
Blog by a math teacher "interested in effective technology integration in math classrooms, and developing lessons which challenge all learners to think mathematically." Posts, which date back to January, 2012, have included "What to do Before a Hurricane,"
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 Math.com
Links to Internet math resources for students, teachers, and others, and to products from the Math.com store. Solutions include assessment, ondemand modular courses that target key math concepts, 24/7 live online tutoring, and expert answers to math
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 Math Community of Interest  TeacherVision; The Learning Network
Lesson plans by grade level, lesson features, printable worksheets, online student activities, references and research aids, teaching tips, and parental advice.
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 Math Concepts Explained
Blog featuring "lessons" to explain several math concepts that traditionally give students trouble.
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 MATH Connections: A Secondary Mathematics Core Curriculum  Mathconx, LLC
A secondary math core curriculum that blends algebra, geometry, trigonometry, statistics, probability, and discrete mathematics to emphasize the interconnectedness among mathematical ideas. It incorporates graphing calculators and computers to solve real
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 MATHCOUNTS  MATHCOUNTS Foundation
A national math coaching and competition program that promotes 7th and 8th grade math achievement through grassroots involvement in every U.S. state and several territories. At the beginning of each school year, the MATHCOUNTS Foundation distributes,
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 Math Course Reviews  Mathematics Dept., Triton College, River Grove, IL
Math course reviews for courses given at Triton College: Whole Numbers; Fractions and Decimals; Algebra I; Geometry; Algebra II; College Algebra; Trigonometry; Finite Math; Calculus I and II; Business Calculus; Calculus III; and Elementary Statistics.
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 MathCracker.com
Online solvers and graphing tools to create scatter plots, calculate mean and standard deviation, and draw pie charts on the web. MathCracker.com also provides statistics tutorials, lessons, and worked math problems, solved step by step. See, in particular,
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 MathDEN: Mathematics Resource for the Home and Classroom  ACT360 Media Ltd.
To explore this site, use guest as username and password. MathDEN presents a new set of competitionlevel questions every Thursday. From the MathDEN homepage, click on the Stage that best matches your math abilities: Stage 1 (Grades 78); Stage 2 (Grades
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 Math Department Problem Sets  Phillips Exeter Academy, Exeter NH
Six problem sets, with glossaries, by the Phillips Exeter Mathematics Department. See also a description and student testimonial of the Harkness method.
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 Math  Don Potter
Links and resources include the 1878 publication First Lessons in Arithmetic, a family heirloom that this teacher at Odessa Christian School (Texas) has scanned chapter by chapter, complete with woodblock illustrations and "slate exercises." From the
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 Math Dork Interactive Math
Animated algebra tutorials, online quizzes, and games. Animations require Flash 3. Full access to this site involves a monthly fee; free lessons include graphing points in the coordinate plane and "The Golden Rule of Algebra."
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 The Math Dude  Mike DeGraba
Mike DeGraba is the Math Dude, bringing engaging explanations to Algebra I students in this series of videos. The 5 to 7minute episodes are available via Flash on the web, podcast, RSS feed, and if you live in Montgomery County, MD, cable TV. Episodes
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 MathEclipse  Axel Kramer
Evaluate math expressions symbolically or numerically. MathEclipse plots two and threedimensional functions; checks primality; recognizes constants; accepts integers, rational numbers, complex numbers, real numbers, complex real numbers, vectors, matrices,
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 Math Education Page  Henri Picciotto
Math education articles by the author, with an emphasis on algebra. A New Algebra: Tools, Themes, Concepts, an article that summarizes the pedagogical and curricular thinking behind ATTC; Early Mathematics: A Proposal for New Directions, a chapter in
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 Mathemagica  The JASON Academy
Tools and professional development materials include: a districtbased professional development program; a set of 5week inquiry based courses offered through the JASON Academy; and a library of Interactive Math Tools. Mathemagica has created online professional
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 Mathematica Courseware Catalog  Wolfram Research, Inc.
Developed as a resource for the academic community, the Mathematica Courseware Catalog is an evergrowing and broadranging collection of course materials that make significant use of Mathematica. Search by keyword or browse by subject: see, in particular,
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 Mathematical Calculations
Primers and JavaScript calculators for calculating continued fractions, triangle parameters, complex numbers, roots and the degree of complex numbers, the determinant of a complex matrix, and more. In Russian, with translations.
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 Mathematical Concepts, Inc.  Agnes Azzolino
Games, calculators, jokes, books, and tools to help the student, teacher, parent, and the public to see the world mathematically. Read Math Spoken Here, featuring the essays "Most Operations Are Not Distributive," "So, What's A Fraction?" "A Graph Is
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 Mathematical Connections  Brian R. Sears
A collection of more than 20 wellknown problems (with solutions), and Sine Wave, a set of essays on "the aesthetic aspects of mathematics."
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 Mathematical Interactivities  David Hellam
Interactive mathematical challenges, mostly written in Flash, covering number, algebra, data, shape, and space for K12 students. Site also includes a forum for teachers to discuss this sort of resource, its development, and its use in the classroom.
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 Mathematical Models for the Classroom  Foster Manufacturing Company
Manipulatives handcrafted for use in the furthering of mathematics education. The catalog of wood products includes solids generated by crosssections on a circular base, solids of revolution (to illustrate integration by cylindrical shells, by washers,
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 The Mathematical Puzzles of Benjamin Banneker  John F. Mahoney
"I am able to reproduce, for the first time, three of Banneker's puzzles in his actual handwriting...." See those and more challenging colonialera problems recovered by Mahoney, who teaches AP Statistics at a Washington, DC, high school named in honor
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 Mathematical Ratio & Proportion  Henry Gurr
An experimental attempt to increase student understanding of topics in physics that involve mathematical proportion encountered an unexpected result: Students showed higher than normal difficulty learning the higherorder generalization that the physics
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 Mathematical Sciences Institute  Andrew Talmadge
Technologydriven professional development for middle and secondary level mathematics teachers. Weeklong summer courses led by Nils Ahbel, Karen Bryant, Doug Kuhlmann, Ron Lancaster, Ira Nirenberg, and others have included Using the iPad to Enrich and
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 Mathematics
This blog of instructional posts, which dates back to January, 2011, has included articles that introduce concepts of scale factor, logarithms, calculus, surds, and more.
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