 Ejercicios Resueltos de Matematicas  GuiaMath
Ejercicios Resueltos de Matematicas, Atencion Personalizada Para Estudiantes de Ingenieria y Licenciaturas. Material En formatos Jpg y Videos Mpg, Tratamos todo tipo de Asignaturas de Algebra y Calculo desde Basico a Superior. Logica, Conjuntos, Funciones,
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 Ejercicios y Problemas de Matemática  Pablo Mateus
Ejercicios y problemas de números (natural, entero, racional, real), estadística, ecuaciones, funciones, análisis combinatorio, probabilidad, trigonometria, geometria, y más. También, um glosario y consejo sobre pruebas
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 Electronic Bookshelf (Mathematics Across the Curriculum)  Dartmouth College
Materials produced by the MATC project are listed on the Electronic Bookshelf. Topics include: Algebra; Calculus and Differential Equations; Engineering; Physical Sciences; Art; Computer Science; History and Geography; PreAlgebra; Biology, Medicine,
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 The Electronic Encyclopedia of Statistical Exercises and Examples
Supplementing introductory textbooks, the Electronic Encyclopedia of Statistical Exercises and Examples (EESEE) comprises over 80 "realworld" stories, or examples, about the uses and abuses of statistics and statistical inference, drawn from published
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 Electronic Games for Education in Math and Science (EGEMS)  British Columbia, Canada
Archives of a collaborative effort by scientists, educators, and professional video game and educational software developers to do research on and develop teaching materials that integrate video games and computerbased explorations with existing classroom
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 Elementary Computer Mathematics  Kenneth R. Koehler
An introduction to the mathematics used in the design of computer and network hardware and software. This hypertextbook's goal is to prepare the student for further coursework in such areas as hardware architecture, operating systems internals, application
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 Elementary Math Enrichment  Beth Schaubroeck
Free mathematics enrichment materials for accelerated 4th and 5th graders. The 70 lessons, grouped into 12 different units, include solutions and teacher guides: Ancient Mathematics (Mayan math, in base 20; and Egyptian math, which lacks zero), Baseball
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 Elementary Math Games  Elementary Math Games
Free educational math games and printable math worksheets.
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 Elementary Math Worksheet Generator  Eduvelop
A web based math generator that creates printer friendly worksheets and worksheets that can be completed online. From Eduvelop, a company that also produces courseware and testpreparation software.
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 Elementary Problem of the Week  Math Forum
A project designed to challenge elementary students with nonroutine problems and to encourage them to verbalize their solutions. From 1995 to 2002, solutions submitted from students for the Elementary Problem of the Week were answered by Visiting Math
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 Elevated Math  Elevated Lab Press
Instructional math videos, aligned to the Common Core State Standards (CCSS), enlivened with multiple voices as well as graphic and cartoon animation. This iPad app, which includes a whiteboard for working out math problems, comes with two lessons and
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 Eli's Math and Logic Puzzles and Other Interesting Things  Eli Karplus
A mixed bag of problems, some geared toward the 6th grade level, others to challenge college folk, with answers for a few. Three Men in a Hotel/The Missing Dollar; The Boatman Crossing the River with Fox, Chicken, and Cabbage; Benardete's Paradox; The
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 Ellipsis Math  Dr. Valerie J. Henry
A curriculum for basic math facts that "incorporates research on best practices from countries around the world as well as cognitive research on memory and retrieval." Sample algebra word "wall cards"; browse and subscribe to the Math Motivator newsletter;
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 El Paraíso de las Matemáticas  www.matematicas.net
Una página en castellano que pretende cubrir los múltiples aspectos de las Matemáticas, con apuntes, ejercicios, exámenes, enlaces, diccionario, etc. Orientada a la enseñanza media y superior. In Spanish: a page that
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 The Elverson Puzzle Co., Inc.
The creators of Jacob's Revenge, the classic wine bottle puzzle. Elverson Puzzle also makes a Tangram Puzzle, the eleven tiles of which form a 6 inch diameter circle; Farkle, a game played with extra large wooden dice or online, with the dice roller that
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 eMathHelp
View worked solutions to problems, or submit your own to WyzAnt.com tutors. See also eMathHelp's notes on prealgebra, algebra, calculus, differential equations, and more.
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 Emaths
Free resources for maths teachers, organized into courses such as "Investigations / Rich Tasks / Puzzles," schemes of work, grade boundaries for key stages 2 and 3 of the SATs (UK National Curriculum Tests), jokes and funnies, and more. "Very old exam
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 The EMPower Project  TERC
Extending Mathematical Power: A Math Curriculum for Adults, extends school mathematics reform to currently underserved populations so that they more effectively engage mathematical demands at work, at home as parents and caregivers, in the community,
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 The Endeavour  John D. Cook
Cook's blog posts, which date back to January, 2008, have included "A Ramanujan series for calculating pi," "Limerick primes," "Twin prime conjecture and the Pentium division bug," "Three surprises with the trapezoid rule," "Where to wait for an elevator,"
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 Enigmalia. El país de los enigmas
In Spanish or Catalan: Web donde podrás resolver cada semana un nuevo problema matemático/lógico. Estos problemas versarán sobre los enigmalianos, habitantes de un país donde el motor que todo lo mueve es la curiosidad por los enigmas. La publicación
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 Enigmatum, Centre des Énigmes
In French: A tous ceux qui aiment se creuser la tête, de nombreuses énigmes classées
par thèmes: logique, mathématiques, paradoxes etc.. Toutes les énigmes sont
accompagnées de leurs solutions. Des plus petits au plus grands venez
travailler votre
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 Enlaces en español para la matemática / Spanish language math resources  Math Forum
Mathematics and math education resources available online in Spanish, collected by the Math Forum. Categories: Juegos de ingenio/Problems and Puzzles (Brainteasers, games, and competitions); Lecciones y actividades/Lessons and activities (Lesson plans
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 Equipalindromic Numbers  Len Smiley
A description of the expansion of square root of natural numbers into continued fractions, and the strings of palindromes that can emerge from them. With a table of the first 100 natural numbers and their equipalindromic quadratic polynomials.
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 Erich's Combinatorial Geometry Page  Erich Friedman
Famous and infamous problems with diagrams and some solutions and proofs. Includes: tree planting problems; circles through points; maximizing squares; triangulating squares; triangulating triangles; lines avoiding squares; lines avoiding points; points
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 Erich's Packing Center  Erich Friedman
A huge collection of packing problems, each explained with graphics. 2D examples include Triangles in Squares, Circles in Squares, Squares in Squares, Triangles in Triangles, Circles in Triangles, Squares in Triangles, Triangles in Circles, Circles in
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 Erich's Puzzle Palace  Erich Friedman
Mathematical puzzles, with solutions, in the following categories: mirror puzzles, number puzzles, hex loop puzzles, path puzzles, battleship puzzles, triangulation puzzles, grid puzzles, criscross puzzles, weight puzzles, and logic puzzles. In particular,
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 Estimation 180  Andrew Stadel
A new estimation challenge every day of the school year, with accompanying video answers. Join the number sense challenge online by submitting your own estimates, explaining your reasoning ("What context clues did you use?") and rating your accuracy ("How
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 e Teaching Assistance Program  eTAP, Inc.
Lesson plans, examples and exercises, review checks, and other instructional materials, including audio downloads, on the language of mathematics; basic operations; order of operations and combining terms; fractions; multiplying and dividing fractions;
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 Evolutionary Dynamics  Daniel Rosenbloom
Problem sets and links to reference books for modeling dynamical systems in evolutionary biology. Course Assistant Rosenbloom's Mathematica tutorials and examples include two HIV scenarios (simple virus dynamics, and virus dynamics for multiple strains)
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 The Evolution of the Real Numbers  Lawrence Spector
An introduction to real numbers, including such topics as: the ratio of natural numbers; continuous versus discrete; fractions; unit fractions; rational numbers; measurement: geometry and arithmetic; common measure; squares and their sides; incommensurable
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 Exambot  Exambot Educational Services
A free database (requires registration) of math and physics questions with fully worked solutions; also an exam set generator that will produce customized practice exams to match the profile of any course.
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 EXAMgen
Computerized test itembanks for secondary school teachers. Math assessment databases cover curricula from 78th grade: Basic Math, Integrated Math, High School Exit Level, Algebra modules and Geometry modules. The databases have multiple choice, short
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 ExamHelp  Anamika Sinha
Log in to generate math worksheets to print out or solve online with autoscoring, and to participate in web contests. ExamHelp has also blogged since October, 2010.
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 Examination Papers  University of Cambridge
Download PDF and PostScript files of Cambridge's mathematical tripos examination papers from the past decade. See also the exam papers from Natural Sciences Tripos (NST) and Part III (postgraduate).
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 Examinations Home Page  Department of Education and Science, Government of Ireland
Leaving Certificate Examination Papers, Junior Certificate Examination Papers, marking schemes, annual results and statistics, brochure, timetables, Chief Examiner's Reports, and other material documenting Ireland's "leaving certs." Mathematics (Matamaitic)
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 Example Problems.com  Todd Smith
This site is an opencommunity collection of math problems and full solutions for every area of math from Algebra through graduate level partial differential equations, optics, and special functions. The code used on the site's wiki is the same as TeX.
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 ExamSolutions
ExamSolutions.co.uk is designed to help revision for maths A level. It contains questions, answers and worked solutions to past exam papers from Edexcel, OCR and AQA exam boards, all in PDF format. Some are free.
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 Excel Traffic Problem (MSTE)  Kocinski, Clark; University of Illinois at UrbanaChampaign (UIUC)
Problem (by HansGeorg Weigand): there is a traffic jam on the highway when cars pass a building site. A model of this situation shows that cars drive with the same speed v and all have the same length l. For the distance d between two cars there are
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 Exercices de Géometrie en Troisième  T. Touré
Révisions de vacances: de nombreux exercices de géométrie. Thalès/Droite des milieux; Pythagore; Sinus, cosinus, et tangente; Cercle et triangle rectangle; Droites remarquables; Distance et aire; Volume; Symétrie, rotation
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 Exercises in Math Readiness for University (EMR)  Dept. of Mathematics and Statistics, University of Saskatchewan
A collection of exercises with solutions/tutorials for high school mathematics topics important for university study in mathematics, sciences, engineering and commerce. Exercises at three degrees of difficulty, covering graphing, solving inequalities,
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 Exit 10A  Joe Schwartz
"Trying to make math meaningful in an elementary school somewhere off the New Jersey Turnpike." Posts, enlivened by classroom photos, date back to December, 2013: "A Mathematician's Lament," "Building Number Sense," "Fun and Games in Fifth Grade," and
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 Exploring Geometric Solids and Their Properties (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation. Investigating and then reasoning about the relationships within and between threedimensional shapes is important for students in grades 35 as they continue to develop understanding about geometry
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 Exploring Histograms (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation. A histogram is a standard way of representing a collection of data. The interactive tool contained in this iMath investigation allows students to create their own sets of data and examine how various
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 The Exponential Curve  Dan Greene
A blog by a math teacher at Downtown College Prep charter high school (San Jose, California), where the students "... are primarily Latino, are far below grade level in their math and reading skills, and will be the first in their families to go to college.
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 Eye Opener Series  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A collection of Java applets that illustrate and thus help to solve or prove various math problems: Euclid's Proof of the Pythagorean Theorem; Construction problem; Disappearing Lines puzzle; Sam Loyd's fifteen; Sliders puzzle; Lucky 7 puzzle; Happy 8
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 The Factor Game (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation. The Factor Game engages students in a friendly contest in which winning strategies involve distinguishing between numbers with many factors and numbers with few factors. Students are then guided through
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 Family or Child First?  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
In a twochild family, one child is a boy. What is the probability that the other child is a girl? Discusses the difference between choosing the child first and choosing the family first, and why they're mathematically different.
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 The Family Photo and Counting on One Hand (Math Chat)  Frank Morgan; Christian Science Monitor
From Norman Goodwin: A photographer wants to line up the 11 members of the Goodwin family from shortest to tallest (left to right), starting with anyone, adding someone else on either side, and continuing by always adding someone next to those already
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 Famous Paradoxes  Isaac Reed
Zeno's Paradox and Cantor's Infinities.
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 Famous Problems in the History of Mathematics  Isaac Reed
History of mathematics presented through some famous problems, with exercises and solutions. The problems include The Bridges of Königsburg; The Value of Pi; Puzzling Primes; Famous Paradoxes; The Problem of Points; A Proof of the Pythagorean Theorem;
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