 The Feeling of Power  Isaac Asimov
Science fiction that explores a time when only computers know how to multiply. "...seven times three is twentyone." "And how do you know that?" asked the congressman. "I just remember it. It's always twentyone on the computer. I've checked it any number
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 Fickled Fractions (SMILE)  Elizabeth Chambers, Keller Gifted Magnet Center
A lesson designed to review the ways in which fractions are made real in our world; to show the relation of cross multiplication and equivalent fractions; and to reinforce fraction skills. From the Arithmetic section of a collection of almost 200 single
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 Figure This! Math Challenges for Families  National Council of Teachers of Mathematics (NCTM)
Elementarylevel 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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 Filling the Glass (Water, Air, and Fractions) (SMILE)  William R. Colson, Morgan Park High School
A lesson appropriate for elementary students who have a beginning knowledge of
fractions and measuring. Students associate the physical act of measuring a
fraction of a given amount of water with the arithmetic operations involved. Each
group uses
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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 a Percentage  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about finding a percentage, such as "What percentage of 76 is 27?" and "What number increased by 30% = 260?" and "What number is 25 percent of 24? 24 is what percentage of 25? 24 is 25 percent of what number?"
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 Five Triangles mathematics blog
This blog, which dates back to April, 2012, posts problems for middle and junior high school students. Topics have ranged from ratios and fractions to area and paths to quadratic equations and linear equations.
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 Flashcards (A+ Math)
Java and nonJava homeworkhelper flashcards for practicing: Java (with answers and with or without sound): addition, subtraction, multiplication, division, square roots, and rounding; nonJava: addition, subtraction, multiplication, division, order of
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 Fraction Calculator  Luke Palder
A free online fraction calculator that includes written stepbystep guides to adding, subtracting, multiplying and dividing fractions.
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 Fraction Message (SMILE)  Charles Harper, Goldblatt Elementary School
A lesson designed to teach students to find pictorial representations of fractions and to decode messages. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 Fractions and Corresponding Percents  NASA Lewis Learning Technologies Project
Which statement is correct? 27 percent < 1/4; 12 percent = 1/8; 3 3/5 = 335 percent; 2/3 > 66 percent. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Fractions and Decimals (Highline Advanced Math Program)  Don and Jerre McQuinn; Highline Council PTSA, Seattle, WA
Introductions to fractions and decimals, for grades 56. Addition, subtraction, division, factoring; mixed numbers.
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 Fractions and Infinite Series  Don Cohen (The Mathman)
Young children (ages 67) learn to add fractions through graphing and partial sums, and about infinite series. A sample problem with answers from Chapter 1 of Don Cohen's worksheet book.
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 Fractions and Paper Folding (SMILE)  Bill Wagner, Hyde Park Career Academy
A lesson that develops the concept and properties of fractions using paper folding (origami). From the Recreational and Creative Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 Fractions and Repeating Decimals  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about fractions and repeating decimals, such as how to convert a recurring decimal to a fraction, why this work, and how to tell whether a fraction will be a repeating or a terminating decimal.
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 Fractions & Mixed Numbers  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about improper fractions and mixed numbers, such as how to multiply and divide mixed numbers, and how to order improper fractions.
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 Fractions n Decimals  David E. Giordano
Two programs in one for Win95/98/ME/NT4/2000/XP: one program converts fractions to decimals and decimals to fractions; the other adds, subtracts, multiplies, and divides fractions. Free trial download available; shareware program.
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 Fractions: Parts is Parts  Energy Conservation Enhancement Project
Incandescent & fluorescent lighting. Math objectives: 1. Describe the two parts that make up a fraction. 2. Explain mixed numbers and improper fractions. 3. Find the least common denominator. 4. Reduce fractions to lowest terms. Energy objectives:
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 Fractions, Simplifying Parts of Shapes: 1/2, 1/3, 1/4 (SMILE)  Sarah Austin, Mary Bethune School
A lesson designed to teach students that parts are equal to their counterparts; that combined parts equal a whole; that any shape can be divided equally into parts; and to draw shapes, separate them into equal parts and write them in fractional form.
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 Fractions Worksheets
Worksheets and lessons on fractions: equivalent fractions, comparing fractions, adding fractions, subtracting fractions, reducing fractions, multiplying fractions, and dividing fractions. See also the blog at http://fractionsworksheets.com/.
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 Fraperdec* (SMILE)  Connie Taylor, Holy Angels School
A lesson that uses playing cards to enrich and develop skills in conversion and sequencing of fractions, decimals and percentages, both in each individual set and in cross sets. From the Recreational and Creative Math section of a collection of almost
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 Free Math Tutoring  Doug Simms
Online instructional videos, many accompanied by example and exercise sheets. Use of the site is free.
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 Free Math Worksheets
Free math worksheets to download, print, and practice addition and subtraction; multiplying; divisibility and factors; greatest common factor (GCF); least common multiple (LCM); simplifying numerical fractions; converting percents, decimals, and fractions;
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 FTL
An online magazine with articles about space, science, and science fiction. Features include a series of humorous articles by Ian Stewart, with topics ranging from lattice polyhedra (and conceptual art) to Diophantine equations (and camels).
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 Fuel the Brain  Dynamics of Design
Educational games, interactives, printables, teacher guides, articles and tutorials, and seasonal resources. The "inevitable" product of an elementary teacher and her graphic/web designer spouse, Fuel the Brain's most popular Flash games include Jelly
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 Fundamental Concepts of Fractions  Goalfinder
Commercial interactive fraction animation in Flash format; covers types of fractions, mathematical operations with fractions. Intended to use stories and entertainment to make learning fractions fun.
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 FUNdamentally MATH  Chip Publications
A commercial DOS/Windows program covering kindergarten through grade 12 math topics (Basic skills: Addition, subtraction, multiplication, division, negative numbers; Fractions: ordinary and decimal; Middle school geometry; Exponents: powers, roots, number
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 funmaths  Fundamental Software
Download mathrelated games for Windows (the Rocky's Bouncer algebra game is free; others are shareware.) Teachers can trade worksheets online: everyone may see the measurement worksheets, but the other categories require that you submit your own worksheet
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 Future School
Developer of educational software, online tutoring, and home schooling courses. Video tutorials. Sample lessons and ordering information available.
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 Gamco Education Materials: Educational Software for K12
Programs for Macintosh and Windows, with downloadable demo versions. Math programs include: Skillbuilders (perimeter, area, volume, whole numbers, fractions); Paws and Pyramids (perimeter/area/volume game); Word Problem Square Off Series; Touchdown Math
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 The Generation Of Fractions (SMILE)  June Muhammad, Park Manor School
A lesson that uses a unique multiplication grid to help students realize that simple fractions (reduced fractions) may have many appearances but the same value; and which is designed to help students learn how to factor each denominator completely. From
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 Gene's Corner: A Play on Numbers  Eugene Maier, Math Learning Center (MLC)
A series of mathematical vignettes that use visual models to illuminate elementary math topics. The scenes include: The Counting Numbers; Adding Counting Numbers; Subtracting Counting Numbers; Multiplying Counting Numbers; Dividing Counting Numbers; The
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 Gepeto Software  Joe Tompkins
MathMaker:Skills and MathMaker:Fractions  programs to purchase for creating instant worksheets, tests, and math games.
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 The Golden Rectangle (SMILE)  Edwina R. Justice, Gunsaulus Academy
A lesson for grades 68 designed to teach students to measure using metric units;
to calculate averages; to compare and round decimals; to use calculators; to examine the relation between the Fibonacci Sequence and the Golden Ratio; and to relate mathematics
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 Gordon's Games, Simple Math, Not So Simple Math, Not Just Math  Gordon Scott
Booklets intended to be a resource for those who teach Primary Math, K3, ages 48: beginning teachers, home schooling parents, teachers of teachers, and teachers wishing to supplement a text. Over 25 simple and inexpensive math games; basic math with
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 Hamilton's Math to Build On  Johnny & Margaret Hamilton
Simple, straightforward explanations, drawings, questions and answers from the book Math to Build On by Johnny & Margaret Hamilton (copyright 1993). Excerpts offer pages on: Angles, Degrees, Variables & Constants; Squaring Numbers; Square Roots;
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 Having Fun working With Fractions (SMILE)  Brian Cagle, John W. Cook School
A lesson for elementary students designed to model addition and subtraction by shading parts of regions; divide a word into appropriate fractional parts; pay attention to details in instruction relating to "first," " last," "second," etc.; analyze clues
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 HelpingWithMath.com  David Burns, HelpingWithMath.com
Worksheets, printable tables and charts, and online tools. Browse by subject or grade.
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 Help With Fractions  Uriel "Skip" Akers
Provides stepbystep instructions for adding, subtracting , multiplying and dividing fractions. Includes a fraction calculator.
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 High School Tutoring in Math  Roger Frye
A computer consultant interested in computational mathematics and tutoring. The site includes a demonstration of a prime number sieve and a calculator that adds and multiplies fractions.
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 Homework for Kids  hwforkids.com
More than 275 pages of math worksheets and word problems. Most pages are dynamic and will provide a different set of exercises when reloaded. Print out worksheets at several levels for learning numbers, addition and subtraction, multiplication and division,
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 Hope's Mathematics Books for Teachers  Hope Martin
A collection of math activity books to order for elementary, middle school, and high school students, written by Hope Martin: What Year am I?: A Math Warmup a Day, Multiple Intelligences in the Mathematics Classroom, 730 Daily Math Warmups, Integrating
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 HoweTwo Software  Leslie Howe
Over 70 interactive Windows programs that target specific concepts in secondary mathematics, written by a classroom teacher/programmer. Many free sample downloads are available. The programs are written in Microsoft Visual Basic. Site includes HTML generators,
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 Identification of Equivalent Fractions (SMILE)  Bette B. Jarrow, Gaudy School
A modified rummy card game designed to teach students the meaning of a fraction; to identify the fractional representation for "one whole"; and to recognize the renamed fraction after it has been increased or reduced. From the Arithmetic section of a
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 IMSA Math Journal  Michele Micetich; Illinois Mathematics and Science Academy
A journal published annually since 1993; each issue contains articles, problems, and activities spanning a wide variety of topics of interest to high school mathematics teachers and students. Articles are available in both online and downloadable versions.
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 Interactive Excel Spreadsheets  Scott A. Sinex, Prince George's Community College
"Excelets are interactive Excel spreadsheets or simulations of mathematical models. The user changes a variable and the spreadsheet changes in numerical, graphical, and/or even symbolic form (equations).... with no use of programming, no macros or Visual
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 Interactive Games  Cathleen J. Chamberlain and Mark Cogan, Oswego City School District
Design matching games and quizzes. Premade games include Ghost Blasters and Sum Sense, for practicing arithmetic; Banana Hunt, for estimating angle measures; Bang on Time, Class Clock, and Stop the Clock; Billy Bug, for learning coordinates; Fraction
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 InterMath Dictionary  The University of Georgia
A searchable dictionary for middle schoollevel mathematics students, teachers, and parents. The dictionary provides related terms, everyday examples, interactive checkpoints, and challenges. Funded by the National Science Foundation, InterMath is a collaborative
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 InterMath  The University of Georgia
InterMath is a professional development effort designed to support teachers in becoming better mathematics educators. InterMath workshops provide an ongoing support community, a lesson plan database, and a discussion board. The site provides mathematical
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 Introduction To Equivalent Fractions (SMILE)  Rose Cartwright, Lyman Trumbull School
A lesson designed to examine the partwhole relation of numbers and to compare one fraction to another in order to discover their equalities. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics
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