- 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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- 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 under-served 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, cris-cross 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 item-banks for secondary school teachers. Math assessment databases cover curricula from 7-8th 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 auto-scoring, 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 open-community 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 Urbana-Champaign (UIUC)
Problem (by Hans-Georg 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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- Exploring Geometric Solids and Their Properties (i-Math 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 three-dimensional shapes is important for students in grades 3-5 as they continue to develop understanding about geometry
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- Exploring Histograms (i-Math 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 i-Math 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 (i-Math 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 two-child 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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- Fast Arithmetic Tips - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Specific tips for three broad categories of rapid math: offensive (for the purpose of getting a result fast), defensive (for the purpose of discounting a result fast), or entertaining (for stunning your friends with math magic!). The entertaining category
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- Fermi Questions - Sheila Talamo
Fermi questions emphasize estimation, numerical reasoning, communicating in mathematics, and questioning skills. Students often believe that "word problems" have one exact answer and that the answer is derived in a unique manner. Fermi questions encourage
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- Fibonacci Numbers and Nature - Ron Knott
Fibonacci and his original problem about rabbits that gave the series its name; the family trees of bees; the golden ratio and the Fibonacci series; the Fibonacci Spiral and sea shell shapes; branching plants; flower petal and seed-heads; and the leaf
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- The Fibonacci Numbers, Pineapples, Sunflowers, and the Golden Mean - Don Cohen (The Mathman)
Mathematics from a Pineapple: Infinite sequences, limit of a sequence, ratios, fractions, and decimals. Also Looking at a Regular Pentagon. Sample problems with some answers from Chapter 7 of Don Cohen's worksheet book.
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- The Fibonacci Series - Matt Anderson, Jeffrey Frazier, and Kris Popendorf; ThinkQuest 1999
The Fibonacci Series is deceptively simple, but its ramifications and applications are many. Learn more about the Fibonacci Series itself: an introduction, the rabbit problem, Binet's formula, the successor formula (given only one term in the Fibonacci
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- Fido Dido Puzzle - Digital Creative Communications
"Want to let me read your mind?" A Flash game in which Fido Dido asks you for clues as he figures out the random number you have chosen.
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- Figure This! Math Challenges for Families - National Council of Teachers of Mathematics (NCTM)
Elementary-level problems with hints, information about when and why answers matter in the real world, suggestions for getting started, and answers with explanations. A Challenge Index lists problems by topic. Examples include: Line Up! (How long do you
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- Fill-It-In Outline Mathematics - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A collection of outline solutions to various problems: word and logic problems, problems from arithmetic, number theory and geometry. Solutions are practically complete with a few essential pieces omitted and to be filled in by the student.
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- Financial Literacy Math Quizzes - HowToSaveMoney.me
Quizzes for practicing addition and subtraction of dollar and coin amounts, presented with pictures of US currency or as numerical expressions. "Grade My Quiz" or generate new problems with the click of a button. The site also offers finance calculators,
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- Finding the Value of Pi - Isaac Reed
Throughout the history of civilization various mathematicians have been concerned with discovering the value of and different expressions for the ratio of the circumference of a circle to its diameter.
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- Finding Ways to Nguyen Students Over - Fawn Nguyen
Nguyen blogs mostly about her teaching middle school math. Posts, which date back to November, 2011, have included "Teaching 101 -- How I Got Like This," "Puzzles and Brainteasers, Set 11," "Pi Day Activities," "Always Sometimes Never," "Using Excel for
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- First Grade (AAA Math) - John Banfill
Interactive math exercises, lessons, and games covering basic arithmetic concepts and methods, for first grade.
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- Fisica Legal (Cool Physics) - Professor Ricardo
Download several educational programs for teaching and learning Physics, Math, Chemistry and Astronomy. Presently this page is in Portuguese although most of programs are in English. All of the software is freeware. Also features tutoring, chats, discussion
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- Flashcards (A+ Math)
Java and non-Java homework-helper flashcards for practicing: Java (with answers and with or without sound): addition, subtraction, multiplication, division, square roots, and rounding; non-Java: addition, subtraction, multiplication, division, order of
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