 National Space Science Data Center (NSSDC)  NASA Goddard Space Flight Center
NSSDC provides access to a wide variety of astrophysics, space physics, solar physics, lunar and planetary data from NASA space flight missions, in addition to selected other data and some models and software, and in addition online information bases
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 NationMaster.com  Luke Metcalfe
A website for generating graphs and correlations based on numerical data extracted from the CIA World Factbook, United Nations, World Health Organization, World Bank, World Resources Institute, UNESCO, UNICEF, OECD, and other sources of indicators that
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 The Nation's Report Card  National Assessment of Educational Progress (NAEP)
A project designed to assess what America's students know and can do in various subject areas. Since 1969, NAEP has periodically and across the country conducted assessments in mathematics, science, reading, writing, history, geography, the arts, and
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 Native American Geometry  Chris Hardaker
A physical, proportional geometry that originates from the simple circle. A growing body of architectural and iconographic evidence suggests this geometry was a relatively common tradition and has been practiced for at least 2000 years. The site is divided
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 Native American Homeschool Association Web Site
Information, support and legal assistance for those who want to home school, with links to more about Native Americans and about homeschooling.
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 NativeNet
Public discussions designed to promote dialogue and understanding regarding indigenous peoples of all parts of the world. NativeNet hosts a number of conversations on education; one topic discussed in October, 1996 was Teaching Mathematics and Native
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 Natural Math  Maria Droujkova
Read about Natural Math research projects, publications, conference presentations, seminars, classes, workshops, and consultations. Download Word documents of research articles such as "Girls on track with information technology," "Using XP with children
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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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 Nature's Numbers (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
The most common number of petals on a flower is five. Five also shows up in arrangements of seeds. Pineapples have eight rows of scales, seen as roughly diamondshaped markings, sloping in one direction and 13 sloping in the other. Pine cones show the
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 NAWEB '95, Educational Opportunities on the World Wide Web
Schedule and abstracts from an international conference held in Fredricton, New Brunswick, Canada, on October 2527, 1995, which included a presentation by David Weksler of the Geometry Forum.
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 NBA Math Hoops  Big Picture Learning
A card game that leverages the influence that National Basketball Association (NBA) and Women's National Basketball Association (WNBA) stars have on American youth. Gameplay simulates a regulation basketball game, with pairs of students racing against
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 NCTM San Diego Sessions on Assessment  Math Forum
A selection of presentations from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 NCTM San Diego Sessions on Constructivism  Mathematics Education at the Math Forum
A selection of presentations from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 NCTM San Diego Sessions on Humanistic Math  Mathematics Education at the Math Forum
A selection of presentations from the 74th Annual NCTM Meeting, April 1996, San Diego, CA.
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 NCTM San Diego Sessions on Interdisciplinary Math  Mathematics Education at the Math Forum
A selection of presentations from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 NCTM San Diego Sessions on Math Ed Reform  Mathematics Education at the Math Forum
A selection of presentations from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 NCTM San Diego Sessions on Multicultural Issues  Mathematics Education at the Math Forum
A selection of presentation summaries from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 NCTM San Diego Sessions on the WWW and Pedagogy  Mathematics Education at the Math Forum
Summaries of three presentations from the 74th Annual NCTM Meeting, 2528 April 1996, San Diego, CA.
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 NCTM Standards 2000 Discussion Area  NCTM/Math Forum
Discussions devoted to public input on the NCTM Standards 2000 project. Questions posted by the moderator include such concerns as areas of mathematics deserving of emphasis, mathematical thinking skills, philosophies and practices, basic skills and conceptual
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 The NCTM Standards  Mathematics Education at The Math Forum
The publication of the National Council of Teachers of Mathematics Standards in 1989 was a milestone for mathematics education. While not universally acclaimed, the Standards have by and large have met with great acceptance if not full comprehension.
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 NCTM Standards (Standards 2000)  National Council of Teachers of Mathematics (NCTM)
NCTM's Principles and Standards for School Mathematics is the compilation of the lessons learned and experiences gained over the years since the 1989 Standards were released. The site features include: an online version of the Standards (including illustrations,
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 Neat Math and Programs  Robert Simms, Clemson University
A Map of All Triangles (and see the Introduction to a Euclidean Model of Hyperbolic Geometry; Porch Things (the underlying structure is a cube); generating Pythagorean Triples (includes a JavaScript calculator and a way to generate them from one number);
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 NebraskaMATH  Center for Science, Mathematics & Computer Education
This statewide partnership educates and supports Nebraska's K12 students and teachers to improve achievement in mathematics for all students and narrow achievement gaps of atrisk populations. Programs include Math in the Middle, Primarily Math, Nebraska
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 NECTAR Foundation: New Era Classroom, Technology and Research
A nonprofit foundation specialising in the development and marketing of educational software in the kindergarten to grade 12 program with a focus on mathematics software programs. It also develops and markets print, video, and audio materials for students
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 The Need For Statistical Literacy In Australian Society  Robyn Williams, Jane Watson; Australian Broadcasting Corporation
The Need For Statistical Literacy In Australian Society, a transcript from Ockham's Razor, a weekly radio program. Some misconceptions about statistics, including: the way Australian children interpreted "average" after seeing a Ford Motor Co. ad on TV
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 Negative Exponents  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about negative exponents, from simplifying nested negative exponents to whether multiplying by 10 to the negative 3rd power is the same as dividing by 10 to the positive 3rd power.
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 Negative Numbers (Middle School Math)  Homeworkhelp.com, Inc.
What is a negative number? The number line: definitions and terminology; What do "greater than" and "less than" mean when some of your numbers are negative? Addition, subtraction, multiplication, and division involving negative numbers.
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 Negative Times a Negative  Math Forum, Ask Dr. Math FAQ
Why does a negative times a negative equal a positive? Does this ever happen in the real world?
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 NetDay
NetDay promotes the effective use of technology for education, providing direct assistance to underserved schools, and general assistance to decisionmakers. Its programs include original research, national surveys, and articles and resources resulting
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 Network Montana Project (NMP)  Churchill, Thomas
K12 Earth System Science Curricular Materials that integrate mathematics, science, and technology. Atmosphere: Weather and Climate; Geosphere: Structure and Dynamics of the Solid Earth; Hydrosphere: Water Cycle and Sea Surface Temperature and Phytoplankton;
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 Network Tutors
Provide online worksheets and learning plans for elementary and middle school students. Provide tutors in all areas up to college level courses. Various plans available.
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 Neufeld Learning Systems, Inc.
Mathematics programs designed to facilitate learning in destreamed classes as well as in home study and distance learning. Interactive programs for: algebra, equations, exponents, fractions, geometry, and integers. Understanding exponents and algebra
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 New Classrooms  New Classrooms Innovation Partners
From the advocates of the "Teach to One: Math" curriculum, individualized instruction that "reimagines the role of educators, the use of time, the configuration of physical space, and the use of data and technology within traditional public, charter,
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 New Directions in Pedagogy in Other Courses  Mathematics Education at the Math Forum
Examples of mathematics courses being revised in the light of new approaches to pedagogy: articles and presentations at conferences in probability and statistics; precollege algebra; linear algebra; abstract algebra, and differential equations.
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 New Geometric Tilings  Adrian Fisher Maze Design
A page that celebrates the beauty of 4, 5, 6, and 7fold geometric tilings, grouped according to the regular polygons that they fill. Where possible, actual dates and designers are stated. Nearly all these tiling examples are based on sides of the
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 The New Jersey Mathematics Coalition
The New Jersey Mathematics Coalition (like the other 50 such state Coalitions) was created to facilitate and encourage improvement in the teaching and learning of mathematics as recommended in the national reports. The Coalition serves as a catalyst for
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 New Jersey Mathematics Curriculum Framework  New Jersey Mathematics Coalition
Online copy (in PDF format) of the Curriculum Framework presented to the NJ State Board of Education in January, 1997. The Framework was developed to provide information, guidance, and assistance to teachers and curriculum developers in implementing
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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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 NewPath Learning
Publishers of handson print and interactive digital learning resources for reinforcement and review. See, in particular, NewPath Learning products for math, browseable by grade and national or state standards. Shop for and purchase Curriculum Mastery®
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 New Standards  Beauregard Parish (Louisiana) Public Library
Links to sites with information about and discussions of standards, both countrywide and particular to Louisiana.
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 The New Teacher's Guide to the U.S. Department of Education  Richard W. Riley, Secretary of Education
Archived information as of September 2000. See the current Teachers page for uptodate information. This site contains information on teachinga national priority; voluntary national tests in reading and math; raising academic standards; grants and
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 Newton's Castle  Steve Feld
Learn about color, optical illusions, how cars appear to roll uphill on "magnetic mountains," why dogs chase cars, and more; then test your learning with the online quiz. Also, see quotations and a timeline of Newton's life. With a bibliography and webliography.
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 NewtonsWindow.com  Suzanne Sutton
For students, families, teachers, and homeschoolers as they learn and teach math. NewtownsWindow.com offers math challenge excursions online, summer learning activities, and educational gifts and ideas. With suggestions for reinforcing concepts at home,
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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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 New Zealand Mathematics  Ministry of Education, New Zealand
Units and lesson plans organised by level and curriculum strand, in Maori and English, focusing on solving problems. Topics address levels 16 of the New Zealand mathematics curriculum and include probability, statistics, measurement, and geometry.
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 Next in Line  Ivars Peterson (MathLand)
Number sequences present all sorts of intriguing puzzles and patterns. Consider the sequence of counting numbers: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 .... Now, take out every second number, leaving: 1 3 5 7 9 11 13 15 ...; form the cumulative totals
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 NFL Stats & Research Articles  Roland Beech
Indepth statistical coverage and analysis of the National Football League (NFL). See player stats and ratings by position, and regular season team stats such as drive charts, play call by down, and red zone performance. "Classic" articles include correlation
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 Nice Guys Finish First (Sometimes) (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
There's trouble in the schoolyard. A kid has accused you and your pals of doing something you shouldn't have. You have to decide whether to stick with the gang or go your own way. You're not completely sure you can trust your friends, so you face a tough
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 NICSI Mountain  Kay Emerson, Evan McKenna Foundation
NICSI (Now I Can See It) Mountain is a 3D math manipulative that allows students to visualize and kinesthetically explore abstract concepts such as rates of change, fractions, ratios, commmon multiples, factoring, graphing, and linear equations. It consists
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 Nifty Ideas: HandsOn Math Lab  Fran Endicott Armstrong
Rationales, lesson plans, notes, and sample materials for first quadrant graph games (graph hide and seek and collinear game) and skip counting and multiples activities (counting people and hands and fingers, and arithmetic calculator). The triangular
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