 True Learning  Jinhee and Joseph Kim, TrueLearning LLC
Early learning curriculum, worksheets and lesson plans. The True Math activities provide an advanced foundation in math for your child with visually intuitive and engaging exercises. Free samples.
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 Tumblehome Learning
Makers of educational products such as Lost in Tangrams and  through a partnership with TERC, with funding from the National Science Foundation (NSF)  Mixing in Math (MiM) cards, gameboards, and books.
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 TutaPoint.com  TutaPoint.com
Tutapoint.com provides online math, science, and language tutoring. Math subjects include basic math and high school topics.
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 The Tutor House: math  Adrianne Meldrum
Tutoring elementary and middle school students, Meldrum would often "hunt the Internet for tips and helps on teaching concepts to my students. I find great stuff, but I wanted somewhere central that other tutors like me could find them...." Every Wednesday
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 Tutorial World  Strategic Thinking Business P/L Singapore
Provides two sample printable worksheets covering a variety of topics for
preschool and primary grades from 1 to 6. Registered users (approximately
US $11.10) have access to more worksheets and also answer sheets.
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 Tutor Pace  Tutorpace Inc.
Online homework help tutoring. Free math resources include descriptions of and primers for prealgebra, algebra, geometry, trigonometry, statistics, and calculus.
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 TutorTeddy.com
Online tutoring sessions across grades in arithmetic, algebra, statistics, probability, calculus, geometry, and trigonometry. The TutorTeddy.com site also freely offers more than a hundred chalkboard video lectures and worked problems.
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 TutorVista  TutorVista.com
Interactive lessons, worksheets, and homework help for math students grades 312 from this online education company.
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 Tutor World Online
This online tutoring service sells homework help and SAT preparation packages. The Tutor World Online journal posts free primers in math.
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 UBUYACAR  Maricopa Center for Learning and Instruction
An online problembased learning manual for students that poses the question: "You are interested in purchasing a new vehicle. What should your annual salary be to afford the car you want?" Students move through a problemsolving process. A Tutor's Manual
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 Understanding 'Rate' Word Problems  Rick Garlikov
A conceptual explanation of doing various kinds of math "rate" problems (e.g., "distance/speed/time" problems, problems involving combining work done by different agents working at different rates of speed, quantity/proportion problems, etc.).
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 The University of Chicago School Mathematics Program (UCSMP)
A K12 curriculum begun in 1983, with educational materials designed to bring the real world into the classroom, emphasizing reading, problemsolving, everyday applications, and the use of calculators, computers, and other technologies. Unnecessary repetition
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 Usenet FAQ Archive : Recreation : Puzzles  Netmeg Internet
Problems and puzzles, with solutions, from the rec.puzzles archives, in the categories: analysis, arithmetic, combinatorics, competition, decision, geometry, group, induction, instructions, language, logic, physics, pickover, probability, real life, references,
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 Using Children's Literature in Mathematics  Elaine Young
A list of children's books (with authors) that can be used in math lessons.
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 Utah Elementary Mathematics  David A. Smith
Blog of conceptual frameworks and other classroom resources for Utah educators implementing the Utah Core State Standards. Smith, the Elementary Mathematics Specialist at the Utah State Office of Education (USOE), has posted since October, 2013; and also
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 Valgetal (Falling Numbers)  Rinze Joustra
A PC (Windows 3.x/95/98/NT/Msdos) game that challenges players to complete basic math equations by controlling the placement of numbers falling into a container. (To make a column of 3 blocks, the number above must be the sum of the 2 numbers beneath.)
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 vectorkids: math flashards and learning tools  Rick Larson, vectorkids.com
This site is dedicated to providing learning tools for elementary and middle school students. Enjoy math flashcards to strengthen basic skills, increase proficiency, and increase test scores. Subjects include geometry, fractions, divisibility rules,
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 The Verbal Math Lesson  Michael Levin, Charan Langton
Books for teaching math topics verbally through word problemsno worksheets, no writing. The approach is intended to be fun for children and to develop mental short cuts.
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 Video Lectures in Mathematics  Jerry Farlow
An online pinboard gathering thousands of visual links to a broad range of math videos. Categories include applications of math; famous mathematicians; math education; math humor; math on TV, movies; STEM math initiatives; and "instructional: K12." Farlow
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 The Video Math Tutor  Luis Anthony Ast
The Video Math Tutor web site provides students from 7th grade through college with free and premium ($$$) math videos and printable notes created by a tutor with 23 years of tutoring experience. Topics covered include arithmetic and algebra. TI84 graphing
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 VidéoMaths  Sylvain Maniez
Vidéos gratuites d'exercices de maths. Inscriptez pour rajouter des vidéos favoris et poster des commentaires sur les vidéos.
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 Waldomaths  Ron Barrow
Original applets on number, algebra and graphs; shape, space and measure; probability and data handling, including histograms; investigative tools (quadratic and cubic sequences); core (pure) mathematics; decision mathematics (network graphs and linear
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 Walking Randomly  Michael Croucher
Croucher's blog, which dates back to August of 2007, has included posts such as "Logo Programming on the pocket PC," "Christmas gifts for math geeks (like me!)," "Martial Mathematics," "R Compared to MATLAB (or 'learning a thing or two from your students'),"
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 Washington MESA
Washington MESA (Mathematics, Engineering and Science Achievement) is developing middle and high school curriculum units and middle school modules/books available through Cuisenaire Dale Seymour Publications that integrate concepts within mathematics
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 WASL Math Prompts  Port Angeles School District, Washington state
Sample questions for the WASL, Washington State Assessment of Student Learning. Most questions have answers printed above the questions. Sample questions are offered for kindergarten through high school levels, organized by mathematical content, and accompanied
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 WatchKnowLearn  Community Foundation of Northwest Mississippi
Thousands of free online math educational videos, categorized into topics such as mathematics for young learners, number operations, math in the real world, precalculus, math study skills and test prep, and history of math.
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 WebBased Mathematics Activities for the Early Years  Instituto de Informática Educativa (IIE), Universidad de la Frontera, Temuco, Chile
These materials are a translation of the Spanish materials created by the Instituto de Informática Educativa (IIE), Universidad de la Frontera, Temuco, Chile. The first and second units have been translated into English, and the third unit is available
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 West Contra Costa Unified School District Mathematics Center  Kennedy High School
Common Core mathematics resources, presentations, instructional videos, lessons, mathematics applets, parent guides, and other materials developed by the Richmond (California) school district.
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 The Western Reserve Reading Project  The Ohio State University
With over four hundred pairs of twins participating in annual data collection sessions over the past ten years, the Western Reserve Reading Project (WRRP) explores how the environment affects children's ability to learn "by evaluating how genes and environmental
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 What2Learn  John Rutherford
For free, a range of fun, interactive games and puzzles. Math topics covered include algebra, times tables, fractions, decimals, percentages, ratios and probability. Feebased service includes more activities, the option for teachers to add their own
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 What Good is Math?  Peck, Rosser, Pifer; University of Richmond
A site designed to show middle school students how math is useful. Examples are drawn from everyday experience; topics include art, finance, grades, sports, planning a party or a trip, and cooking. Created by preservice math teachers.
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 What is Mathematics?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about what mathematics is, such as "Is math a science, an art, or some other anomaly?" and "Is there a difference between arithmetic and mathematics, and what is it?" and "Is math a science or an art?"
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 What's New at the Zoo?  Suzanne Slade, Joan Waites (ill.)
A picture book featuring counting and animal facts. Book available in hardcover, paperback, and eBook. Free educational resources on the Sylvan Dell website include Teaching Activities, Math/Reading Comprehension Quizzes, Related Website Links, and English
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 What Works Better than Traditional Math Instruction  Alfie Kohn
Chapter 9 from Kohn's 1999 book The Schools Our Children Deserve contains the subsections "Why the Basics Just Don’t Add Up," "Math Worth Doing," and "Inventing Facts," as well as an appendix entitled "The Hard Evidence: Math Results."
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 When Am I Going to Use This?  Column Five Media
This graphic plots popular career choices on axes of "number of math concepts" and "median average salary" to illustrate the basic math, algebra, geometry, or trigonometry required of athletes, cosmetologists, carpenters, pilots, psychologists, lawyers,
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 William's Home Page  William Gibbs
A collection of activities that use simple materials to help students explore mathematical concepts. Topics include: shapes and patterns made from paper circles; geometrical activities with magic paper; window patterns from geometrical shapes; where there
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 window into a math classroom  Sadie Estrella
A snapshotdriven blog subtitled "a glimpse into a math classroom once a day." Estrella's posts, enlivened with pictures of her students and of their work on classroom dryerase whiteboards, have included "Trying Math MetaCognition," "More Arguing about
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 The Wolfram Demonstrations Project  Wolfram Research, Inc.
A web collection of freely available demonstrations in math, science, and many other areas. Interact with the demonstrations directly in your browser. Each Demonstration contains a set of related links to sites such as MathWorld, The Wolfram Functions
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 Woodlands Math Zone  Woodlands Junior School, Kent, U.K.
Pages aimed at 711 year olds. Interactive games for math practice are organized under the following topics: Number Skills; Shape & Space Skills; Mental Maths; Preparing for Sats; Educational Games; Times Tables; Measures/Time; Worksheets; Understanding
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 Worksheet Genius  Simon Currigan
A free website full of printable worksheets, puzzles, and activities that can be differentiated and randomized at the touch of a button. Designed for those working with children at primary or elementary school.
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 Worksheet Library  Worksheet Library
Standardsbased worksheets. Five hundred available free for trial purposes, across all subject areas. Membership required for access to other worksheets. All in PDF format, with answer keys.
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 Worksheets  RHL School
Worksheets for teaching and reinforcement, with answer keys where appropriate, for: English Basics, Mathematics Computation, Mathematics Problem Solving (most appropriate for 4th and 5th grades), Reading Comprehension, and Reference Skills, plus a section
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 Worksheet Works  WorksheetWorks.com
This site generates high quality PDFs of worksheets with the flick of a few checkboxes. Just specify level of difficulty, range of numbers, font size, or other parameters.
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 Write Math with the Math Forum  Math Forum
A standardsaligned, gradespecific program to improve math problem solving. Engaging problems adapted from the Problems of the Week program have been correlated to state standards, math topics, and widelyused textbooks. A trial membership gives you
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 WWW Virtual School: PreAlgebra  Highview; ThinkQuest 1997
In Highview's 1997 Math program the 7th graders were either in PreAlgebra or PreAlgebra Challenge; the supervising teacher for this page was Mr. Larson. Short essays on: Metric Takeover; Goldbach's Conjecture; Factor Game; and WS: Super Bowl Ad Costs.
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 XP Math  Tak L. Hui
Features include free materials designed to excite learners in mathematics and technology, a free eBooks
library, a collection of math sites, a database of mathematical careers, an interactive math games league and an active forum.
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 XPress Formula Editor & Problem Solver  HALOMDA Educational Software
A formula editor and symbolic calculator that enables Graphical WYSIWYG editing of math expressions, drawing graphs, and performing algebraic transformations. Expressions can be copied into Word and solved numerically/symbolically step by
step. For
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 XtraMath
A free web program for students, teachers, and parents that helps kids master basic math facts. XtraMath offers students its adaptive supplemental math activities for use in class or at home, along with a progress reporting system for teachers and parents.
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 Yahoo! Science: Mathematics  Yahoo! Inc.
All the best on the Web in math including Indices, alphabetically listed by category: Academic Papers; Algebra; Applied Mathematics; Books; Calculus; Chaos; Combinatorics; Complex Systems; Conferences; Education; Employment; Entropy; Equations; Ethnomathematics;
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 Young Engineers  The Decade Group
Enrichment courses for children and teenagers using LEGO and K'nex. Sessions such as Big Builders, LEGO Challenge, and GaliLEGO teach basic and complex mathematics, introduce famous scientists, and demonstrate powers and principles of physics. Based in
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