 Math Videos  James Sousa
Thousands of screencast lessons (look for a yellow background) and examples (grid paper), most ten minutes or shorter, all enlivened with a narration and a highlighting pointer: arithmetic, algebra, geometry, trigonometry, calculus, linear algebra, differential
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 Math Videos Online  Doina Popovici
Use free online math videos to learn a variety of prealgebra and algebra topics.
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 Math Vids  SchoolVids, LLC
Free educational videos on mathematical topics. Choose the teacher who most fits your learning style. A premium service is available that offers an adfree website, lesson resources, fullscreen videos, and NCTM standards indexing.
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 Math Warriors: The Webseries  Kristina Harris Productions
A comedic webseries "of love, betrayal and ... calculus?" Watch ten minutelong clips on Blip that feature adolescent "math nerds like you've never seen 'em before," striving to win a fictitous National Collegiate MathaThon.
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 Math with Ms. Evans  Jill Jacobs
For her YouTube channel of videos, Jacobs plays  and dresses  the part of fictional high school personalities in a math class that she teaches in front of a whiteboard. Each episode lasts about twelve minutes.
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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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 MathZapper  Russel Timmins
Libraries of smartboard video tutorials for the student of mathematics, organized into GCSE, IGCSE, A Level, and International Baccalaureate (IB).
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 Meddling in the Affairs of Infinity  Shohdy Nagib
How to use feedback between your video camera and your television set to produce "hypnotizing video effects" related to fractals. Site also available in Russian.
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 Media4Math
Free algebra and geometry videos, PowerPoint presentations, Promethean Flipcharts, critical thinking activities, workedout examples, and other media resources. An initiative of Emmy awardwinner Edward de Leon, executive producer of "Greatest Inventions
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 Michael Serra
From the author of Discovering Geometry: An Investigative Approach and Smart Moves: the Games and Puzzles series; videos such as DG Investigations and "How to Teach Math Anxiety"; articles and handouts on cooperative learning; speaking engagements and
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 Microsoft Math Partnership
Through partnerships with eight area school districts and the Puget Sound Educational Service District, the Microsoft Math Partnership (MMP) provides support to schools to help students become critical thinkers and proficient in mathematical skills and
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 Midnight Tutor  MidnightTutor.com
Free videos of solved calculus problems. We will also generate new videos and send out hints to anyone who emails a problem to solve@midnighttutor.com.
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 mikesmathpage  Mike Lawler
Blog by a former math professor "writing about math with my kids." Posts, many with videos of Lawler and his children at a whiteboard, date back to November, 2013: "Day in the life of a home school dad," "Family Math and paper folding," "Fun with James
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 Minimal Surfaces and Soap Bubbles  J. A. Sethian
Level Set Methods for Minimal Surfaces. A paper and movie about soap bubbles. Given a wire frame, how can one find a minimal surface that spans the frame? Motion under curvature provides an appealing way to find the surface. To illustrate the idea, what
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 MinutePhysics  Henry Reich
"Cool physics and other sweet science" instructional videos, most shorter than four minutes long. Reich narrates while sketching stick figures and other simple line drawings on a whiteboard that sometimes also incorporates photos or video clips: "Proof
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 MIT+K12  Massachusetts Institute of Technology
An open platform for K12 educators and Massachusetts Institute of Technology (MIT) to work together to make and crowdcurate videos about science, technology, and math. This collaboration of MIT and Khan Academy invites primary and secondary teachers
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 ModuMath Online Video  Wisconsin Technical College System Foundation, Inc.
Individualized, selfpaced tutorials for college readiness courses, adult basic education programs, GED preparation, alternative high schools, corrections settings, and workplace training. Offering dozens of lessons on basic math and algebra, ModuMath
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 Motion of Fluid Interfaces  J. A. Sethian
A paper and movie about a rising bubble. Imagine an air bubble rising in water, a thermal of hot air rising on a cold day, or smoke rising out of smokestack. In each case, the interface between the two fluids will change dramatically as the fluids move.
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 Motion under Curvature  J. A. Sethian
A paper and movie of a curvature collapse. A famous theorem in differential geometry, proved less than ten years ago, says that any simple closed curve moving under its curvature collapses nicely to a circle and then disappears. That is, no matter how
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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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 Mozaik Kiadó  András Ringler
Computer animations for teaching mathematics include geometrical solutions of quadratic equations. Also available in Hungarian.
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 mrbaskerville84  Chris Baskerville
Recitations of times tables, set to R&B music and sung with autotuning.
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 MSRI: Mathematical Sciences Research Institute
Located in Berkeley, California, the Institute offers information about programs, conferences, library facilities, lecture notes, and archives of books and preprints. Many Internet sources of mathematics information are linked to this searchable site.
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 Multimedia Documents  The Geometry Center
Conference proceedings; research papers that use hypertext to present information in a nonlinear fashion, many including movies or interactive pictures; expository papers that use hypertext to present information about mathematics or the Geometry Center
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 Multiplication Table/ Girandola delle Tabelline  Renato Montemurro
In Italian: Video of the use of a patented Pythagorean windmill for learning multiplication tables. In Italian.
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 Musemath  Bob O'Rourke
Videos on the mathematics and physics of the Western Traditional Music Scale.
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 Museums in the Classroom  Illinois State Museum and Brookfield Zoo
Students from 25 partner schools throughout Illinois are developing online curriculum projects that explore the diversity of Illinois and world ecosystems, integrating collections, data, images, video, audio, text, and exhibitions and using skills from
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 My NMSI Story
Watch clips of U.S. students and teachers speaking about their participation in the National Math and Science Initiative's Advanced Placement Training and Incentive Program (APTIP). Upload your own video narrative about APTIP, which has expanded American
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 NASA Smart Skies FlyBy Math  NASA Airspace Systems: Ames Research Center
DistanceRateTime Problems in Air Traffic Control for Grades 59. Six rich, standardslinked problems, each with student worksheets and teacher guides and related materials. Each features a guided experiment for students to carry out. Worksheets provide
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 NASA Spacelink  National Aeronautics and Space Administration
An aeronautics and space resource for educators. Math curriculum support instructional materials range from exploring meteorite mysteries and the mathematics of microgravity to the mathematics of space and rocketry; and also list related NASA Internet
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 National Center for Research on Teacher Learning (NCRTL)  National Center for Research on Teacher Learning (NCRTL)
Based in the College of Education at Michigan State University, NCRTL conducts research in teacher education. Brochures and publications (special reports, craft papers, research reports, technical series, issue papers, conference series, and video packages)
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 National Center to Improve Practice (NCIP)  Education Development Center, Inc. (EDC)
The National Center to Improve Practice in Special Education Through Technology, Media and Materials promotes the effective use of technology to enhance educational outcomes for students with sensory, cognitive, physical and social/emotional disabilities.
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 Nature by Numbers  Cristóbal Vila
Cristóbal Vila gives us this short video inspired by numbers, geometry, and nature. Vila's site has more information on Fibonacci, the Golden Ratio, and the Voronoi tessellation that makes up his dragonfly wings, as well as information about the making
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 NewMedia Project: Integers  MathStar, Los Angeles County Office of Education
The NewMedia Project area of MathStar offers resources in mathematics for middle school teachers and students. The Integers unit is comprised of three lessons: Introducing Integers, Adding/Multiplying Integers, and Subtracting Integers. Each of the three
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 New York City HOLD National  Elizabeth Carson
This advocacy organization's mission begins: "The performance of American students in mathematics is mediocre at best. Reform efforts over the past two decades have only made matters worse. We are advocates for school mathematics education reforms that
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 Next Generation Preschool Math  WGBH Educational Foundation
"Can engagement with activities in a mediarich curriculum supplement improve lowincome children's early learning of number and equipartitioning?" By developing and evaluating iPad apps for preschoolers, tools for tracking their progress, and guides
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 Noise Removal from Images  J. A. Sethian
A paper and movie on noise removal. Level Set Methods exploit the fact that curves moving under their curvature smooth out and disappear. The idea is to view the pixel values as a topographic map; the intensity (somewhere between white and black) at each
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 Nonlinear Physics Group  Technical University, Darmstadt, Germany
A research group whose research areas include sonoluminescence, levitated drops, and acoustic and optically induced cavitation (view MPEG movies of bubbles!) A Java applet, Nonlinear Dynamics Online, provides visualizations of data sets: you may use
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 Nonlinear Systems Laboratory  Massachusetts Institute of Technology
A group dedicated to the analysis of nonlinear systems: list of publications (some abstracts are available online) and animations of a robot arm catching a ball and a paper airplane.
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 NOVA Online: Hunting the Hidden Dimension  Public Broadcasting System (PBS)
The PBS television series NOVA has produced a program about fractals, their impact on the world of mathematics, and the way they're shaping our understanding of nature. In addition to the program itself (in five chapters), the website offers a program
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 NOVA Online: The Proof  WGBH, Public Broadcasting System (PBS)
For over 350 years, some of the greatest minds of science struggled to prove what was known as Fermat's Last Theorem  the idea that a certain simple equation had no solutions. This site includes an interview with Andrew Wiles (the man who spent seven
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 NOVA Teachers: Featured Teacher  PBS
Teachers' featured stories of a lesson plan using one of the NOVA films. Lesson titles include: Students Inclined to Study Galileo, Exploring Research Bias, Placing Value on Maya Math, Teaching with Trebuchets, Bridges Form Foundation for Geometry Unit,
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 The Novel Polyhedra of Albert P. Carpenter  Albert P. Carpenter
A series of videos of slides exploring Exploded, Crown, Open and Lattice Polyhedra.
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 NUMB3RS  CBS Broadcasting Inc.
NUMB3RS depicts how the confluence of police work and mathematics helps solve criminal questions. Watch video clips of actors Rob Morrow and David Krumholtz on the set, as well as trailers of the television show and previews of upcoming episodes.
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 Numbercrunch  Simon Pampena
Through school assemblies and other shared learning experiences, Numbercrunch "inspires students by combining energetic standup comedy with mathematics." Believing that "doing maths takes a lot of heart (and a sense of humour)," writer and performer
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 Number Loving  Laura ReesHughes and Sharon Derbyshire
Freely downloadable PDFs, Microsoft Word documents, and PowerPoint presentations, organized by UK key stages, strands, and topics. The Number Loving blog offers new approaches for teaching maths and tips for classroom makeovers. Posts, which date back
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 Numeracy Works  David Hartmann, Numeracy Works LLC
Numeracy Works is a commercial software company which sells Tabula, a new tool for math education. Use Tabula to create, construct, cut, tape, fold, and transform. Make fold patterns, tiling patterns, tessellations, and perspective drawings. Also on
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 OberPrima Mathematik  Olaf Hinrichsen
Instructional German language math videos, browseable by klasse or searchable by keyword.
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 Off The Hypotenuse  Glenn Kenyon
Kenyon started this blog in pursuit of "a good discussion of resources, ideas, and innovative ideas for teachers of Algebra." Humorous videos, comic strips, and posts, which date back to March of 2007, have included "Math Lessons learned from Karate,"
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 Online Lessons Using Streaming Video  Your Other Teacher.com
Tutoring via streaming video and online tutors (using whiteboards). Free samples available. The math section includes arithmetic, prealgebra, factoring for algebra students, algebra 1 and 2, word problems, CAHSEE (California High School Exit Exam), introduction
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