 Algebra Postulates  Jaime Garmendia III; Interactive Mathematics Online (IMO)
Things you can do with equations and inequalities  the basic postulates of equality, inequality, and operations. Example: Postulates of Operation: Commutative Property of Addition: a+b=b+a; Commutative Property of Multiplication: a*b=b*a; Distributive
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 Algebra PowerPoint Lessons  James Wenk
A collection of PowerPoint lessons written by a teacher and currently used in his classroom. The lessons complement McDougal Littell's Algebra 1 Concepts and Skills by Larson, Boswell, Kanold, and Stiff. Preview the slides without animation. Purchase
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 Algebra PowerPoint Lessons  James Wenk
PowerPoint lessons to purchase, designed to help teachers integrate technology and improve student performance and interest in algebra. Plans meet state standards and can be modified to suit teachers' needs.
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 Algebra Problem of the Week  Math Forum
Algebra problems from a variety of sources, including textbooks, math contests, NCTM books, and puzzle books, and reallife situations, designed to reflect different levels of difficulty. The goal is to challenge students with nonroutine problems and
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 The Algebra Project  North Central Regional Educational Laboratory (NCREL)
An interactive curriculum designed to help innercity and rural students better understand mathematical concepts. Developed by Bob Moses, a mathematician and civil rights leader, the curriculum calls for students to follow a fivestep process in which
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 Algebra Reference Sheets (S.M.A.R.T.)  Math Share Shop
Combining signed numbers; Polynomials and fractional equations; Factoring trinomials; Quadratic equations; Graphing linear equations. By students at Theodore Roosevelt H.S., Bronx, & Edward R. Murrow High School, Brooklyn.
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 Algebra Review in Ten Lessons  D. P. Story; Mathematics & Computer Science, University of Akron
A tutorial written in TeX and converted to Adobe Portable Document Format (PDF). Features include verbose discussion of topics, typeset quality mathematics, user interactivity in the form of multiple choice quizzes, inline examples and exercises with
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 Algebra (Seeing is Believing)  De Silva, D'Andreti; ThinkQuest 1997
An algebra tutorial, comprising: mathematical numbers; real number system; numerical representations in algebra (algebraic expressions); algebraic techniques (factoring); quadratic equations and inequalities; graphing (coordinate systems, conic sections,
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 Algebra's Friend  Beth Ferguson
High school math teaching experiences blogged by Ferguson, who for decades has served as a classroom teacher, a district consultant, a school principal, and an online university instructor in curriculum, instruction, and gifted education. Posts, which
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 Algebra Software  Algebranet
Windows software that enables students to solve actual problems from algebra textbooks and not just a limited set of computer generated examples. Features, testimonials, and purchasing information available on the site.
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 Algebra (S.O.S. Mathematics)  Dept. of Mathematical Sciences, Univ. of Texas at El Paso
An online course: learning units presented in worksheet format review the most important results, techniques and formulas in college and precollege algebra. Sections include: Fractions; Units of Conversion; Complex Numbers; Quadratic Equations; Factorization
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 The Algebra Survival Kit  Josh Rappaport
A kit that includes a 520page handbook covering the main content areas of Algebra 1 in accordance with the NCTM Standards. Sections are tabbed, and pages are written in flash card format with questions on the front and answers on the back. Also, a poster,
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 Algebra Through Problem Solving  Hillman, Alexanderson
A nontraditional Algebra text (high school and early college levels) placed on the Web by the Science Education Team at Los Alamos National Laboratory. Browse it on the Web or download a PDF version. Chapter headings include: The Pascal Triangle; The
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 Algebrator
Key in mathematical expressions for this software to interpret and simplify or solve, one step at a time, with explanations along the way. Algebrator simplifies algebraic expressions; factors and expands expressions; finds LCM and GCF; rationalizes complex
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 Algebra Tutor  Softmath
Software designed to walk students through their own problems stepbystep. Moneyback guarantee.
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 Algebra Vision  Sean Berry
Algebra software that lets you visually interact with algebraic expressions. Watch demos on the site, or sign up for a free trial. Individual and schoollevel licenses available.
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 Algebra Worksheets  Ashley Nieves
Download free PDFs of worksheets for prealgebra, elementary algebra, algebra 1, algebra 2, intermediate algebra, and algebraic word problems.
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 Algorithmic Art  Fractal Art Gallery  Manfred W. Rupp
Unusual fractals with nonstandard algorithms  geometric patterns made using FRACTINT that rely on mathematical models.
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 Algorithmic Image Gallery  Giuseppe Zito
Each picture is the door of a room in the gallery, composed by taking a pixel for each picture in the room. All the pictures in a room are produced by the same algorithm, changing only one or more parameters. Click inside the door and you will get the
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 Algorithms and Ice Cream For All (MegaMath)  Nancy Casey; Los Alamos National Laboratory
Solve a city planning problem using mathematical graphs and algorithms. Students use algebraic methods to explore, model, and describe patterns and functions involving numbers, shapes, data, and graphs in problemsolving situations and communicate the
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 Algorithms  National University of Ireland
Web interfaces that provide steps for moving the disks of the Towers of Hanoi, calculate the Euclidean greatest common divisor (GCD) algorithm using recursion, and compute maximum profit from the knapsack problem using dynamic programming. Also, generate
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 Alice begegnet der 4. Dimension  Stefan Scheller
(Alice encounters the 4th dimension) Einige faszinierende 3DAnimationen hat diese Homepage zu bieten. "Alice begegnet der vierten Dimension" ist hauptsächlich eine umgeschriebene Kurzversion der bekannten skurilen Kindergeschichte aus England. Der
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 Alien Tiles Official Web Page  Pickover and Mckechnie
A difficult puzzle developed by Dr. Cliff Pickover and Cam Mckechnie. (Some have called it Rubik's cube for the new millennium.) The rules are simple, but the patterns soon become very complex. The authors look forward to hearing from artists, puzzle
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 Aligning and Articulating Standards Across the Curriculum (NCREL)  Cathy Cook; Pathways to School Improvement
Critical Issues in Mathematics. Students often do not see any connection between the mathematics they learn in school and the other subjects they study. As a result, many students do not see or understand the connection between mathematics and their daily
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 Alive Books  Sotirios Persidis
The site offers a free downloadable course on Calculus of a Single Variable, as well as a link to a modern new Mathematical Handbook is given. The Handbook is part printed matter and part online, and fully searchable even within mathematical expressions.
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 Alive Maths/Maths à Vivre  Nathalie Sinclair
Handson, interactive "microworlds," in which students investigate patterns and relationships, pose questions, play with the variables, and solve problems: Play with Lulu on a grid; practice triangle reflections; play with fractions and decimal patterns
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 All Educational Software: Math Software  Kimball & Wood Enterprises, LLC
Math learning games, math help and software for kindergarten through high school. Educational software to help kids learn addition, subtraction, algebra, geometry, calculus, statistics and more.
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 All Elementary Mathematics  The Mathematical Web High School
 Dr. Yury Berengard
An online Web high mathematical school, featuring all of the curriculum of elementary mathematics. Arithmetic, algebra, geometry, trigonometry, functions and graphs, analysis. Theory and solving problems. Versions of examination tests. Online consulting.
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 All Ivy Tutoring
Phoenixbased tutoring service providing oneonone, inhome tutoring, offering help in all math subjects from basic math through college level differential equations and linear algebra.
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 allmath.com  Arbor Media, Inc.
Math tools (flash cards, a metric converter); games (magic square), and reference pages: biographies, a glossary, the multiplication table, metric conversion factors, and an ask an expert service.
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 ALLREALS+BLOG  Marty Romero
Blog about "effective educational reforms/policies and empowering students through equitable pedagogical practices." Posts, which date back to September, 2012, have included "Procedural Knowledge vs. Conceptual Understanding (A Dad's dilemma)"; "Obesity
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 All Star Review
A review site designed to help teachers and parents find out about software, audio, video and other educational products before purchasing them. Search for software and other materials alphabetically, by level, or by subject (see Math Audio and Software.)
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 All Star Tutoring
Professional oneonone tutoring services in New York City's boroughs, including GED test preparation, citywide exams, and Regents exam preparation.
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 All the King's Digits  Terry Trotter
Challenge: Using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, and the operations of +, , x, ÷, sqrt (square root), cbrt (cube root), ^ (raise to a power), and ! (factorial), along with grouping symbols, write expressions for the counting number 100.
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 All the News That's Fit to Math
Blog of mathematical questions that arise from news headlines. Posted by an Australian teacher since January, 2014, entries have included "The decline of cancer rates in the USA," "The Royal Family's Spending Habits," and "Are Super Bowl ads worth it?"
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 Alphametics  Mike Keith
Alphametics (also known as alphametrics) are puzzles that combine mathematical and word play, the first modern example of which was Dudeney's SEND + MORE = MONEY. From the "alphamenu," choose traditional alphametics, the doublytrue genre, new literary
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 Alphametics  Torsten Sillke
Cryptarithms are puzzles in which letters or symbols are substituted for the digits in an arithmetical calculation. If a cryptarithm uses letters in place of digits, and the letters form words or phrases, the puzzle is an alphametic. J. A. H. Hunter coined
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 alt.algebra.help
A newsgroup for asking and answering to algebra questions.
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 alt.algebra.help  Math Forum
An unmoderated newsgroup focused on algebra. Read and search archived messages; and register to post to the discussions.
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 Alta Vista
A major Web search engine, also offering major categories to browse (Automotive; Business & Finance; Computers & Internet; Health & Fitness; Hobbies & Interests; Home & Family; Media & Amusements; People & Chat; Reference &
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 Alternative Instruction and Alternative, PerformanceBased Assessment  Jane Ehrenfeld; Math Forum
Two annotated bibliographies designed to present ways in which assessment can be altered without drastic restructuring of class and curriculum. Some of the articles and books referenced have links to portfoliobased instruction and assessment, and can
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 Alternative Math Club
Interactive practice with problems typically found in Japan: exams for junior high school math, high school math, and college math; and entrance exams for high shool and for university. Also available in Japanese.
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 Alternative or Block Scheduling  Mathematics Education at The Math Forum
The Math Forum's suggested sites on block scheduling, including Web resources, articles and reports, and discussions.
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 The Altitudes  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A collection of proofs of the concurrency of altitudes in triangles, featuring a Java applet with which one can see the various points, lines, triangles, and circles associated with any given triangle.
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 The Altitude Theorem for Equilateral Triangles  Web Feats Workshop II
Use the applet to intrigue students with a surprising property of equilateral triangles, stimulate their curiosity to wonder why the property is true, then lead them to understand how the property can be proven in an unexpected way. This workshop was
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 alt.math.recreational  Math Forum
An unmoderated newgroup focused on recreational mathematics. Read and search archived messages; and register to post to the discussions.
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 Al Zimmermann's Programming Contests  Al Zimmermann
An "arena where demented computer programmers compete for glory and for some cool prizes." Computationally intensive problems, often involving heuristics, have included "Point Packing," "Retaining Water" (based on magic squares), "Son of Darts," "Topswops"
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 AMATH  AMATH Systems, Inc.
Software for Building and Reinforcing Foundation Mathematics. AMATH is a simple, selfpaced, self grading, computeraided workbook created to combat the math literacy problem in the U.S. It covers 103 modules of foundation mathematics
including: arithmetic,
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 Amazeing Art  Christopher Berg
Free printable mazes of buildings, ships, ancient monuments, and more. The site features historical essays describing some of the mazes of ancient times, together with maze terminology and tips on drawing mazes. There are also maze products for purchase,
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 The Amazing Abacus  ThinkQuest 1996
An exploration of the abacus. Learn to use the abacus and what it is for, and to speak and write Chinese numerals and formulas.
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