 Math HowTo's  FindHow: the HowTo Search Engine
HowTos from wellrecognized brand names, governmental, and educational institutions, with a particular focus on academic topicsin this case, mathematics.
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 Math I Can Do  Math I Can Do Solutions, Inc.
An online interactive equation editor for writing math expressions. Different account levels provide options for storing your math documents and — with mathicando.com's "Math I Can Share" feature — embedding links to images of them online.
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 Mathie x Pensive  Gregory Taylor
Musings on mathematics, teaching, and more by an Ottawa (Canada) high school math teacher who majored in computer science and graduated from the mathematics program at the University of Waterloo before receiving his B. Ed from Queen's University. Posts,
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 Math in a Box: math help and advice for parents and students  Susan Johnsey
Author and designer of the site offers help and advice to parents and students with math problems, and also offers online algebra classes and a free placement test. Math in a Box is an actual box, with manipulatives similar to Cuisinaire rods.
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 Math Index  George Mason University
A glossary of math terms with illustrated examples of problems and tips for understanding concepts, from addition of positive and negative numbers to the definition of the derivative. Part of the DAU (Defense Acquisition University) Math Refresher course.
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 Math Is Everywhere: A Problem Solving Teaching Unit  Joseph A. Montagna; YaleNew Haven Teachers Institute
A discussion of a variety of strategies for math problem solving, with examples of how to use them and why the development of problemsolving skills is important. The unit is accompanied by a kit of materials available through the YaleNew Haven Teachers
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 Math Kangaroo  Maria Omelanczuk
Math Kangaroo's international "notselective competition" recognizes all students who participate in its 75 minutelong multiple choice test: "Each participant is seen as a winner and receives recognition and gifts on the test day in March." Open to any
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 The Math League  Conrad, Flegler, Motyka; Math League Multimedia
Math contests for grades 4 through 12, contest problem books, and math educational software for grades 48. Contest results from math league competitions in the U.S. and Canada are posted here.
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 Math Lessons  Cynthia Lanius
A variety of algebraic and geometric projects and puzzles that help students find mathematical patterns and formulas. The Million $ Mission explores exponential growth, a Fractal Geometry Unit teaches the secrets of fractals, the Mathematics of Cartography
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 Math Lessons for Math Teachers  Henri Picciotto
Lessons Picciotto has used to help middle and highschool teachers develop more depth of understanding of precollege math. Most are based on ideas that are accessible to students, though not at the same depth. Included are concept analysis (function
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 Math Lessons in PowerPoint: Algebra 1, Geometry, Algebra 2  Simon Perez
Download PowerPoint presentations from Perez's bilingual classes on topics in geometry, algebra I, algebra II, and CAHSEE (basic math preparation). Some of the topics also feature online quizzes; written compositions and posters by students; and digital
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 Mathletics (Question Mark Perception)  Martin Greenhow; Brunel and Portsmouth Universities, UK
Submit answers, and receive automated evaluations with comments, on arithmetic, fractions and percentages, algebra diagnostic tests (GCSE level); elementary probability and statistics; complex numbers and number bases other than 10; handling brackets,
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 Mathlets: Java Applets for Math Explorations  Tom Leathrum
Applets for precalculus topics such as lines and slopes, parabolas, periodic functions, roots of polynomials, exponential functions, conic sections, and systems of linear equations; for basic calculator and graphing calculators such as an expressionbased
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 Math Listings (Online Schoolyard)  Comcast Online Communications
Links to selected math sites in the following categories: About Math in the Real World; Add, Subtract, Multiply and Divide; Algebra Avenue; Counting Corner; General Topics; Geometry; History of Mathematics; Measurements; PreCalculus/Calculus; Probability/Statistics/
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 Math = Love  Sarah Hagan
Blog by an algebra teacher in Oklahoma "inspired to become a math teacher by a math teacher blog I happened upon in high school." Planning her lessons with foldables and graphic organizers in mind, Hagan describes herself as "obsessed with making math
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 Math.ly
Multiple choice arithmetic, algebra, and calculus questions. Click the correct answer, and it instantly highlights in green; incorrect, in red. Adjust the difficulty of questions, rendered in MathJax, with the slider bar.
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 Math Machines  Math Machines, Ltd.
Workshops for building control devices and performing classroom activities with calculator programs in order to explore relationships between math and science. Simple devices that give an immediate, physical, dynamic expression to abstract mathematical
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 Math Made Easy  MultiMedia Tutorial Services, Inc.
Video tutorials for preschool math through college calculus, probability, statistics. A typical series costs $200.
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 Math Made Interesting  ThinkQuest 1996
Interesting interdisciplinary problems and proofs: Algebra: Chemistry, Business, Finance. Geometry: Angles, Triangles, Polygons (proofs provided). Calculus.
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 Math Made Simple  Tom Henry
Videos that explain math concepts and then provide stepbystep solutions to example questions. Lessons cover prealgebra, algebra, trigonometry, exponents and logarithms, permutations and combinations, sequences and series, coordinate geometry. Each
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 MathMagic on the Web  Alan A. Hodson; The Math Forum
MathMagic was a K12 telecommunications project developed in El Paso, Texas. The intent of the project was to provide motivation for students to use computer technology while increasing problemsolving strategies and communications skills. MathMagic posted
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 The Mathman  Don Cohen
Materials for sale for K12 students, teachers and parents; precalculus. Materials include Get Ready for Calculus (Calculus By and For Young People book, CDROM, worksheet book, videotapes and map) and Changing Shapes with Matrices. Patterns, visualization,
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 Math Match It!  Professor Martin Weissman
Students must match 8 pairs in these Powerpointbased games for Windows. Topics to be matched include: fractions with their percents, decimals and percents, and translating from English to algebra.
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 Mathémathiques au Collège  Jerome Burgard
Site pédagogique qui propose des cours de maths complets pour les élèves de niveau collège ainsi qu'un lexique des notions essentielles de mathématiques qui permet de rattacher facilement chaque chapitre du programmes
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 MathMedia  MathMedia Educational Software, Inc.
Macintosh and Windows software for math education. Curriculum based, interactive, programs with instruction from which students can selfteach and practice math. Software offers vocabulary sections, reviews of appropriate prerequisites, printable flashcards
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 Math Mediator  Glen Cotant
With an emphasis on relevant applications to motivate students, these lesson plans bridge the gap between classic Algebra 2 and real life. Cotant's goal is "to give high school math teachers a readytouse lesson plan as well as help students with their
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 Math Meet  Alex Kasman
Samples of the Annual College of Charleston Math Meet include PDFs of recent written tests; "AllDay Sprints" such as coded quotes, scramble, polymath, grids sprint, and "Blatant Propaganda Sprint"; math team relay; math brainstorm; and "marathons" 
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 MathMeeting  Chris Seber
Free instructional narrated screencast videos on algebra and calculus; live tutoring and homework help for hire. Seber, a civil engineering graduate whose "passion is to teach math," also offers clips on geometry, linear algebra, SAT practice problems,
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 MathMem  Jim Guinness, Wachusett Regional High School, Massachusetts
A list of mnemonics and similar memory aids that math teachers have found useful for helping students remember math conventions, algorithms, definitions, techniques, and formulas. "Most high school math teachers are familiar with using PEMDAS, FOIL, and
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 Math Mentor Take the Test  Santa Clara County Office of Education
For students preparing to take the California High School Exit Examination (CAHSEE) in math: answer a sample question on your own; watch a math mentor solve the same problem; and review a stepbystep solution. The movies of Englishspeaking and Spanishspeaking
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 Math Message Board  David Manura
A searchable Webbased discussion area for questions, answers, and talk on any math topic that allows for input of mathematical notation, diagrams, and HTML into message postings. Subject areas include General Questions; Elementary Math; Algebra/Geometry/Trig;
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 Math Mistakes  Michael Pershan, editor
Compilation, analysis, and discussion of the mathematical errors that students make. Pershan, who teaches high school math in New York City, has posted a new error on this blog every day since June, 2012.
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 Math Motivation  Michael Sakowski
Answers to the question "Where will I ever use algebra?" Examples of how "the process of learning higher mathematics provides valuable skills in deductive reasoning and symbolic reasoning, in addition to math skills used directly in science and engineering
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 Math Movie Network  Shawn Avery
This collection of studentmade videos stars kids explaining math procedures and concepts. Formerly known as "the Student Made Math Movie" wiki, the selfproclaimed "Home of Student Made Math Movies" features a section labeled "practice" embedded with
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 Math Mutation  Erik Seligman
These "show notes" accompany a short podcast of the same name that explores "fun, interesting, or just plain weird corners of mathematics that you probably didn't hear in school." Posts, which date back to December, 2011, have included "Flat People Give
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 MathNotations  David Marain
Math investigations, challenges, problems of the day, and standardized test practice that emphasize the development of conceptual understanding in mathematics. Marain's blog, which dates back December of 2006, also features dialogue on issues in mathematics
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 MathNotes.com  Addison Wesley Longman, Inc.
An online resource for instructors and student users of the Lial/Hornsby/Miller
Paperback Series. Teachers can find materials to enhance their courses, while students can strengthen their understanding through interactive tutorials and study aids or
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 Mathochism  AK Whitney
"One woman's attempt to revisit the math that plagued her." Whitney enrolled in the subject 25 years after high school, where she "barely passed algebra and actually flunked geometry and calculus." Writing with candor and selfdoubt ("This is the beginning
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 Math Online  SalemKeiser Public Schools, Oregon
SalemKeizer Public Schools of Salem, Oregon, designed this collection of daily math problems to help students in the third, fifth, and eighth grades prepare for the State of Oregon CIM Benchmark exams. Student exercises are organized by grade level,
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 Mathops  Twining Mathematics, LLC
Online prealgebra and algebra lessons to supplement the classroom experience. Free resources include hundreds of narrated slides and coded worksheets on integers; factoring and fractions; properties; expressions and equations; measures of central tendency;
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 MathPARTNERS  Education Development Center, Inc.
MathPARTNERS is an EDC project funded by the National Science Foundation in Spring 1999 to develop mathematics tutoring materials in support of the America Counts Federal WorkStudy Program. MathPARTNERS supports tutors of students from kindergarten through
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 Math Pentagon
Hundreds of worksheets for practicing math on the iPad. The Math Pentagon app lets teachers create assignments, grade students, monitor progress, and remotely assist students. Subscriptions run 30 days, 90 days or 1 year.
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 Math  PhET Simulations  University of Colorado
Dozens of free interactive, researchbased simulations of mathematical phenomena, from arithmetic, estimation, graphing lines, and Plinko probability, to projectile motion, wave on a string, Fourier (making waves), and blackbody spectrum. PhET's Java
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 MathPickle  Gordon Hamilton
Free videos that pose "rich math gems": Fibonacci Mutant Bunnies, Amoeba Squares, Kajitsu, Locker Room Prank, Area and Perimeter of Animals, Ballast Puzzles, and more. Select a grade band for PDF solutions, presentations in PowerPoint and Keynote formats,
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 Math Planet
Hundreds of free video lessons, exercises, and examples to solve. Get help with prealgebra, algebra, or geometry by posting questions to Math Planet's forums. See also the downloads of SAT and ACT sample tests. The Swedish nonprofit organization behind
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 Math Planet  ThinkQuest 1998
A site for high school students featuring algebra, geometry, and geometry concepts glossaries; crash courses on basic Algebra and Geometry; an advanced course on Algebra and Trigonometry; a customizable lesson plan based on individual level; an SAT and
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 Math Practice Tests  Mathematics Department, Oregon Institute of Technology
Practice tests for prospective students, in Elementary, Intermediate, and College Algebra; and Trigonometry. Solutions are provided.
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 Math Problems Collection  Peter Chrenko
Solve math word problems and computational exercises in algebra, arithmetic, basic functions, combinatorics, geometry (3D), planimetry (twodimensional geometry), statistics, and units. Drag the slider bars to increase or decrease the difficulty, range
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 Math Problem Solving  Rakiya Rahman
Techniques for doing algebra, multiplication, and long division, with examples and worksheets.
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 Math Problem Solving  Rakiya Rahman
Prealgebra and algebra tutorial articles, worksheets, and tips, including "how to do long multiplication using five different methods"; a mathematical glossary; funny mathematics videos, jokes, and tricks.
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