 Powell's Books
Located in Portland, Oregon, USA; the largest independent bookseller in the United States, specializing in technical books and new, used, hardtofind, and antiquarian titles. An extensive subject and keyword list is available  search database of titles,
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 Power Maths  A precalculus project  Sidney Schuman
A precalculus investigation designed to enable students to discover each calculus power rule independently (albeit in simplified form), and hence their inverse relationship. Students are required only to do simple arithmetic and some elementary algebra,
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 Praktick  Praktick Learning private Ltd.
Autoscoring practice problems aligned to the UK's Central Board of Secondary Education (CBSE) Standards, from prekindergarten to grade seven. Questions adjust dynamically based on performance, while a timer counts up response time; incorrect answers
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 PreCalc/Calculus (Math for Morons Like Us)  ThinkQuest 1998
Lists of important concepts, a quick reference sheet with key calculus formulas, and a calculus message board.
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 The Precalculus Algebra TI83 Tutorial  Mark Turner
An online tutorial for using the TI83 graphing calculator to solve the
kinds of problems typically encountered in a college algebra or
precalculus algebra course. Stepbystep instructions with full key
sequences and animated screen images. Includes
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 PreCalculus: A Teacher Quality Grant Project  State of Texas, Texas Higher Education Coordinating Board
A precalculus "courseinabox" for all teachers, particularly those new to teaching precalculus under the guidelines of the Texas Essential Knowledge & Skills (TEKS). It includes content information, activity sheets, videos of best teaching practices,
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 The Precalculus Page
Lesson plans and staff development activities with a problemsolving approach to precalculus, with materials on logarithms, the binomial theorem, and the law of sines, and problems (without answers) on algebra, exponential and logarithmic functions, other
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 Precalculus  Preparing Students for Calculus  Warren Esty, Montana State University
A text designed to prepare students for calculus, with chapters on functions, powers, polynomials, logs, exponentials, and trigonometry. Models a new approach to learning through nontraditional homework (explanatory rather than computational); an emphasis
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 PreCalculus Problem of the Week  Math Forum
Math problems for students who had finished studying topics commonly covered in firstyear algebra and high school geometry. From 2002 to 2003, problems involved probability, statistics, discrete math, and trigonometry. The goal was to challenge students
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 Precalculus Tutorial  John W. Bales
A tutorial for students enrolled in a precalculus, college algebra, or trigonometry course. Bates explains, "It does not, and cannot, replace the textbook or other class resources or assignments. At the instructor's discretion, all or part of this tutorial
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 The Precalculus Weblet  Dynamic Educational Materials
A partially online precalculus course with the following centers: Instruction (extending the instructional opportunities beyond the textbook; see Explore the Concepts and Starred Exercises), Reference (technology, glossary, history, sites that complement
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 Preparing for University Calculus  Mathematics and Statistics Committee of the Atlantic Provinces Council on the Sciences (APICS)
Answers frequently asked questions about university level calculus courses, such as "What math will I need in university?" and "What is calculus?" Also download the booklet, which offers sample questions and hints of the sort often found on calculus placement
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 Productive Struggle
Group blog, with most contributions by secondary math and science teachers, that aims to "push teachers to learn in the same way that we push our students to learn" and "work together to make our struggles productive." Posts, which date back to March,
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 Professional Homework Help
Solutions to your mathematics and statistics homework problems. Request a free quote.
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 Professor Geek  Jardel de Paula Pereira
Blog educacional com atividades, vestibulares, simulados, jogos, dicas para estudantes, e mais. Antigamente conhecido como Aprendaki.tk.
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 Professor Weissman's Software  Martin Weissman
Stepbystep algebra and precalculus tutorial software for all ages, middle school through college. Weissman also sells dozens of algebra tutorials on a USB drive.
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 The Progress Report  Dan Lemay
A web log where the author shares successes, concerns, and commentary about teaching math to high school students.
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 Project Based Learning Pathways  David Graser
A blog about real life projects suitable for college math courses such as algebra, finite math, and business calculus. Most of these applied math projects include handouts, videos, and other resources for students, as well as a project letter. Graser,
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 Public Domain Materials  Mike Jones
A collection of public domain instructional and expository materials from a USborn math teacher who teaches in China. Microsoft Word and PDF downloads include a monthly circular consisting of short problems, "The BowandArrow Problem," and "Twinkle
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 Pure Maths, Impure Thoughts  David A. Santos, Community College of Philadelphia
Includes lecture notes in elementary algebra, linear algebra, number
theory, probability, a problem seminar, plus review material in
precalculus and multivariable calculus. Selections available en castellano.
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 Quadrivium  Dennis, David; Addington, Susan
"Dedicated to the reform of mathematics education and curriculum through a modern reinvention of the medieval quadrivium" — the upper four liberal arts of geometry, astronomy, arithmetic, and music. The secondary curriculum "Mathematical Intentions"
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 Quandaries and Queries (Math Central)  Dept. of Mathematics and Statistics, University of Regina, Saskatchewan, Canada
A math Question and Answer area for K12 students and teachers, with searchable archives of past questions and answers.
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 rawsonmath  Pamela Rawson
Blog by a math teacher at STEMfocused public charter high school. Rawson, who worked for 25 years in traditional public high schools in and around southern Maine, describes herself as "still learning." Posts, which date back to August, 2012, have included
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 Reason and Wonder  Michael Fenton
Blog by a Fresno (California) junior high and high school mathematics teacher. Posts, which date back to March, 2013, have included "Estimation 180 Rocks"; "Quadratics Matching Activity, Take 2"; "Solved the Student Engagement Problem Yet? Me Neither";
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 Recipes for Pi  Anna Weltman
Blog born partly "out of a mixture of enthusiasm and anger about the ways that the world learns and shares math." Posts, which date back to February, 2012, have included "Tinker, Tinker, Algebra Student"; "Beauty Is a Math Art Class"; "The Mathematics
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 A Recursive Process  Dan Anderson
Anderson's blog, which dates back to June of 2010, has included posts such as "Robocode & Math," "Standards Based Grading," "Cake:Frosting (A look into a proper ratio of real math:cool tech)," "Paper Towels WCYDWT (What Can You Do With This?)," "Two
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 Reflections in the Why  Chris Hunter
Blog by a K–12 numeracy helping teacher in Vancouver. Posts, which date back to September, 2010, have included "Linear Functions — Concretely, Pictorially, Symbolically"; "Math Manipulative of the Month — Base Ten Blocks"; "A Linear Functions
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 Reflections of a High School Math Teacher  Dave Sladkey
Blog by a teacher at Naperville (Illinois) Central High School. Posts, which date back to March, 2008, have included "Thinking Blocks," "School is a Place to Learn from your Mistakes," "More on When Students Teach," "Pop Goes the Weasel and the Quadratic
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 Reflections on Holes in Graphs and Reasoning  Zach Cresswell
Blog by a Michigan teacher of AP Calculus, Precalculus, and Algebra II who has taken graduate courses such as "Creativity in Teaching & Learning." Posts, which date back to May, 2013, have included "Trying a bit of '3 Act Math'"; "Multiple Methods for
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 Reliable Expert: Math and Statistics Homework Help
Homework help service: send your question, with a fee offer and deadline, and if Reliable Expert accepts your offer, you'll get your answer when you need it.
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 Resourceaholic  Joanne Morgan
Blog of teaching ideas and resources recommended by a Key Stage 5 Coordinator in a Greater London (UK) girls' grammar school. Posts, which date back to April, 2014, have included a recurring series of "math gems" as well as "Highest Common Factor and
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 Revision Universe  Arnav Rawat
Downloadable worksheets with questions on cumulative frequency; line graphs; mean, mode, median and range; pie charts; curved graphs; expanding brackets; graphical solution of equations; ratio; trial and improvement; area and perimeter; density, mass
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 Rich Starting Points for ALevel Core Mathematics  Jonny Griffiths
Download PDF task files of 40 openended investigative activities for the A Level Pure Mathematics classroom: basic algebra, coordinate geometry, polynomials, curve sketching, uncertainty and inequalities, indices and surds, sequences and series, differentiation,
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 Rincón Matemático Tests interactivos  Mario A. Bunge
Exámenes multiple choice de Precálculo, Matemática, Análisis Matemático y
Álgebra lineal. Cada examen se presenta en dos formatos: PDF y HTML.
El PDF se imprime y se utiliza como una hoja de examen. Realizada la
prueba, se recurre al HTML (quiz
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 Robert Kaplinsky  Glenrock Consulting  Robert Kaplinsky
Lessons consist of "The Challenge(s)," "Question(s) To Ask," "Consider This," and alignments to Common Core State Standards (CCSS): "How Can We Water All Of The Grass?" and "How Much Money Should Dr. Evil Demand?" and "How Did They Make Ms. PacMan?"
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 The Roman Press, Inc.  Steven Roman
Home page of a California mathematics professor, including research articles, books and textbooks, and software.
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 The Roots of the Equation  James Cleveland
Blog by a high school algebra teacher in New York City "trying to figure out how it all fits together ... [and] creating interdisciplinary problems, projects, and thinking." A Math for America (MfA) fellow, Cleveland has blogged since June, 2011, with
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 San Diego Tutor
A San Diegobased inhome tutoring company, San Diego Tutor offers a Scholarship program for clients who can't afford high school math and science tutoring.
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 SAT Free Math Practice  Roland Mfondoum
Download free SAT prep math worksheets, take autoscoring quizzes online, and watch videos on algebra and functions, factorization, polynomial expression expansion, linear equations and inequalities, quadratic equation solving, numbers and operations,
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 Saturday Academy
Saturday Academy (SA) "gives kids learning experiences that get them excited about school, help them explore potential careers, discover their intellectual possibilities, and teach them to be lifelong learners." Targeting the youth and profesionals of
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 SCIMS Academy  S.Sivaram
SCientific Ideas Made Simple (SCIMS) Academy offers online courses to prepare students for the Indian Institutes of Technology (IITs) All India Engineering Entrance Exam (AIEEE) and Joint Entrance Examination (JEE). Sample free lessons that introduce
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 Search Ask Dr. Math Archives  The Math Forum
Search by keyword K12 math questions answered by volunteer 'math doctors' in the U.S. and abroad.
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 Search for Math on the Internet  The Math Forum
Keyword search of all searchable archives, Newsgroup archives, Dr. Math archives, Problems of the Week, Internet Math Library, or any combination thereof.
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 Seedbed  Tom O'Brien, ed.
Throughout the 1980s, Seedbed published articles on "the intellectual growth of children, and teachers' participation therein." Editor Tom O'Brien described the publication as a practical one, "where teachers are the principal authors and where teachers'
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 SHAREWARE.COM  CNET, Inc.
Search more than 250,000 files in the former Virtual Software Library: first select the platform of your choice, then enter the word or filename to search for. You may also search for files in a specific archive here by first selecting the archive of
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 Shelley Walsh
Syllabi and notes for math courses from arithmetic review to beginning calculus. Download MathHelp a tutorial program with problem sets for Mac or PC, or learn how to use MathHelp to create your own tutorials. Brief Mathematics Articles present concepts
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 Sites with Problems Administered by Others  Math Forum
Problems of the week or month: a page of annotated links to weekly/monthly problem challenges and archives hosted at the Math Forum but administered by others, and to problems and archives elsewhere on the Web, colorcoded for the level(s) of the problems
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 Sketch Exchange  Key Curriculum Press
Share Sketchpad activities, tips, questions, and ideas in this online community dedicated to the dynamic geometry software. Browse sketches by grade level, topic, or tags.
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 Softmath  Neven Jurkovic
Developers of Algebrator, an automated tutor based on Maxima CAS that provides stepbystep solutions to algebra, trigonometry, and statistics problems, and exports answers to MathML. Demo and purchase Algebrator; use Softmath's free online software to
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 Software Development  Dept. of Mathematics, University of Arizona
A page with links to mathematical and graphics packages developed within the University of Arizona Mathematics Department. Researchrelated and instructional software, with packages related to computer algebra and raster graphics; vector graphics and
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