 Introduction to Fractions on the Numberline (SMILE)  Claudia R. Jones, Crane High School
A lesson designed to teach students to read fractional parts of an inch on a ruler, and to deal meaningfully with the typical number line. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 Introduction to Fractions Using Cuisenaire Rods (SMILE)  Gwendolyn M. Manson, Benjamin Banneker School
A lesson for grade 5 designed to teach students to develop concept and fractional relations; learn numerical values of rods and relate them to color and length; use varied approaches to discovering new fractional relations; write a problemsolving story;
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 An Introduction to Percent (SMILE)  Kenneth Surdell, Lewis School
A lesson for grade 5 designed to develop a basic understanding that percent is a
comparison of some number to 100; and to teach students to convert fractions to percent, percent to decimals, and vice versa, with a minimum of 90 percent accuracy. From
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 Investing for Kids  Leung, Ngai, & Mirza, ThinkQuest 1998
A site designed by kids for kids. It examines stocks, bonds, mutual funds etc. to teach the principles of saving and investing to beginners and seasoned investors, and includes a stock market game for learning how to invest, with concepts of investing
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 Investing in your Future  ThinkQuest 1996
A searchable site for learning the basics of investing. Four financial calculators are available so investors can see how much different investments will return. Follow additional links to the nation's great financial institutions and other exciting places.
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 Jamit Fractions  JAMIT Software
Software for learning fractions, for students from 8 years old to adults. Topics are presented in short lessons, each with references, examples, and a practice game that generates problems to be solved. A free version is on the Web; Part One may be purchased
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 Javascript School Math Toolkit  Jeff LeMieux
JavaScript Pythagorean solver, proportion problem solver, percent proportion problem solver, chord to circumference calculator, denominator to repeating decimal checker, subtraction worksheet generator, addition worksheet generator, multiplication worksheet
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 Jeffrey C. Lagarias
A member of the University of Michigan Department of Mathematics. List of publications, with many available for download in PostScript format; Lagarias' research interests include Number Theory, also Computational Complexity Theory, Cryptography, Discrete
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 John and Betty's Journey into Complex Numbers  Matt Bower
A children's bookontheWeb from Australia, designed to introduce complex numbers in story form in a way that is intuitive and enjoyable for students. John, Betty, and their dog Trevor solve a series of problems designed to introduce integers, fractions,
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 John Olive's Home Page  John Olive, Department of Mathematics Education, The University of Georgia
Course descriptions and requirements for Computers in Mathematics Education and Investigations into the Teaching of Mathematics Grades 712. Recent articles, available online, include Computer Tools for Interactive Mathematical Activity in the Elementary
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 Junk Food Math (SMILE)  Sharon Ross, DeWitt Clinton School
A lesson for grades 34 designed to teach students estimation and to introduce percentage. From the Graphs and Visuals section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 K12 Multimedia Math Education  Sparkle Productions
Software and research: reports and articles are available, with print and web references and resources, in the Motivation and Learning Center, which provides suggestions for parents on increasing their child's intrinsic desire to learn. Their math materials
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 K5 Stars  Sierra Vista Software
Subscription based Flash activities in reading and elementary mathematics. Free trial and moneyback guarantee available.
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 Kids Math
Elementary and intermediate drill exercises/games (timed, with answers shown correct or incorrect) for learning addition, subtraction, multiplication, division, fractions, decimals, measurement, graphs. In English, Spanish, and Chinese. Also prealgebra
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 Kids Math Games Online  Rene Smith
Free interactive games on addition, counting, division, geometry, money, multiplication, number (including mean median mode), problem solving (bridge crossing, hourglass time, wolf and sheep), and subtraction. Logic games include a 3D puzzle cube, Mastermind,
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 KidsNumbers  The KidsKnowIt Network
KidsNumbers' most popular singleplayer games count down against a clock: Add It Up, Lake Mathatobie (addition), Turkey Terminator (fractions), Number Drop (basic operations set to a Tetrislike challenge), St. Pat's Math Adventure (basic operations).
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 Kid's Page Archive: Free Printable Math Worksheets  Tracey Smith
Free printable math worksheets for prek through 5th graders.
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 Kids SyvumBook Series  Syvum Technologies, Inc.
Interactive educational software for English, Knowledge, and Math, targeted for kids ages 612. Each Kids SyvumBook offers multimedia strips and main activity frames. Four levels of Math SyvumBooks help improve arithmetic, algebra, and basic number skills
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 KitchenMath.com  MotionNET.com
Submit fraction or decimal amounts for conversion into pinches, dashes, teaspoons, tablespoons, fluid ounces, cups, pints, quarts, and liters. Scale quantities using the "multiply values by" field.
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 Knowledge Adventure
A developer and publisher of interactive multimedia products for kids and educators. Products include the Blaster Series (Math, Spelling, Writing, Reading), FisherPrice Ready for School, JumpStart activities for elementary grades, and Kaplan Higher Scores
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 Komodo Math  Komodo Learning Ltd
Adaptive learning software for maths fluency through home practice on the iPad. Children start Komodo by taking a diagnostic test; then a UKqualified maths teacher assigns a personal learning plan. During "little and often" sessions of animated lessons
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 KS3 Maths Homework Series  Stafford Burndred; Pearson Publishing (U.K.)
A series of 6 homework packs providing 180 different homework sheets covering levels 38 of the UK National Curriculum (ages 1114). Each pack addresses a separate level, and exercises use a speed marking system so that a full class can be marked in about
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 Learn Fractions with Cuisenaire Rods  Molly Silha
Pages that teach fractions using manipulatives: Cuisenaire Rods, a collection of rectangular rods, each of a different color and size, the smallest 1 centimeter long and the longest 10 centimeters long, help students visualize problems, making them easier
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 The Learning Box: K5 Math Software
Developer of elementary mathematics software for students in grades K5. Featured titles include The Manipulative Math Series: Logic Blocks, Base Ten Blocks, and the Peg Board (learning about sets). Shockwave Flash activities include Flowering Fractions
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 Learning Fractions (Learning and Mathematics)  Nancy K. Mack; Math Forum
In this 1990 article, Nancy K. Mack of the University of Pittsburgh considers how informal knowledge (such as dividing a pizza) can be used to enhance formal knowledge (such as one's understanding of fractions). Informal knowledge in this context means
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 Learning Game Finder  Media Match, LLC
Subscribe to search peerreviewed lists of learning games along with the rules for play and the technical requirements to run the game.
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 Learning Games and Activities for K12  Creative Teaching Associates
Over 200 nonelectronic learning games and activities for ages 4 through adult. Math products include flash cards, activity cards, board games, math chips, cards, books, cassettes for basic math facts drill, and many more. Products are also listed by
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 Learning Games Lab  New Mexico State University Board of Regents
Designers of educational games such as MathSnacks, Ratio Rumble, Gate, Game Over Gopher, Monster School Bus, and several on food preparation, water conservation, kitchen safety, and health science.
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 Learning Planet  Michael Schipper
A site that offers online interactive learning games, in Shockwave, stressing basic math (and other) skills for preschool to sixth grade. Games include Number Train, 123 Order, Count Your Chickens (all number learning games); Spacey Math (four basic operations);
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 Learn Math 3D on Orbital One  Peter Richards
A software math course set within a real time 3D environment. Topics covered include counting, the number system, addition, subtraction, multiplication, division, 2D and 3D shapes, simple fractions, and telling the time.
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 Least Common Denominator  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about least common denominators, with three different ways to find them.
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 Lesson for Multiplying and Dividing Fractions with Post It Notes (SMILE)  Robert Foote, Disney Magnet School
A 7th grade lesson designed to teach students to measure various dimensions of rectangles to the nearest fraction of an inch, dividing fractions to predict the number of Postits needed to meet the length and width of the rectangles. From the Arithmetic
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 Lesson Plan For PartWhole Meaning For Rational Numbers  Michele Gahala
Students use the Geometer's Sketchpad and work as a class to represent parts of a whole using fractional parts of a triangle, and to determine the relation among parts of a whole that are unequalsized pieces.
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 Lesson Plan Search  Google
Free math lesson plans that make use of Google Earth, Google Calendar, Exploring Computational Thinking, and other products and projects of the search engine company: Telling time & Google Calendar; Human Dimensions Project; Median of Latitude Data;
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 Let's Have a Field Day! (ITDC Webquest)  Noelle Kreider, Rialto Unified School District
A lesson plan in which sixth grade students are asked to plan a field day for their class. Some of the integrated skills include using an almanac to assist in decision making, using and interpreting weather sources, and reading and drawing maps, and basic
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 Library Video Company
Library Video Company offers a searchable, browseable catalog of video and CDROM products for mathematics instruction on the K12 level, from addition to variables. This resource for primary and high school math educators looking for curriculum enhancers
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 Locating Rational Numbers On the Number Line (SMILE)  William Winebrenner, Dunbar Vocational School
A lesson designed to teach students about rational numbers using the number line; to write rational numbers as the ratio of two integers; to convert each rational number to a mixed number; and to divide any given length into n equal parts. From the Arithmetic
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 Lois Terms's Home Page  Rebecca S. Lindsay
"Lois lives in a condo with her mixedbreed dog, G.C.F., and a goldfish named L.C.M. She dedicates her time and efforts to the task of making the world of math understandable and exciting to middle grade students..." Lois Terms answers emailed math
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 Lure of the Labyrinth  Learning Games to Go (LG2G)
In this free online adventure game, middleschool prealgebra students rescue their pets, combat mysterious monsters, and embark on whimsical math missions to gain a better understanding of proportions, fractions, and ratios, variables and equations,
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 Magako  Samuel Le
Practice simplifying fractions, adding and subtracting them, expanding and simplifying expressions, and solving linear equations.
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 Making Math Easy
Homebased math workbooks to purchase that teach the math topics found in the new math standards. Every lesson covers a specific topic that the California State Board of Education expects a child to know in the upcoming year. PreAlgebra topics include
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 Making of America Books  University of Michigan
This digital library of primary sources in American social history includes dozens of schoolbooks on arithmetic and other mathematical subjects that date to the antebellum period through reconstruction. Search or browse scanned graphics or transcribed
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 Mangahigh.com Math Games  Blue Duck Education Ltd
A gamesbased math learning environment built around the UK's national curriculum. Mangahigh.com's online quiz game, Prodigi, adaptively coaches students aged 1016 with worked examples, full hints, and solutions. Other interactive games include "Save
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 MAT 476: Teaching Mathematics in the Middle and Secondary Schools  Prof. Carol A. Marinas; Mathematics & Computer Science, Barry University, FL
Forty lesson plans created by teachers from Florida, for grades 412 and requiring 12 days to complete, with fairly simple preparation. The lessons contain detailed explanations and directions and many lessons are interdisciplinary. NCTM standards are
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 Matemática Sem Palavras  Jorge Picado et al.
Diagramas visuais (Java) que conduzem à descoberta de áreas, multiplicação, equações completas de segundo grau, somas com um numero finito de parcelas, somas com um numero infinito de parcelas, desigualdades,
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 Matemáticas en Egipto  Carlos Maza
Economía, Aritmética, Superficies, Fracciones, El Recto; Repartos, Proporcionalidad, Volúmenes, Bibliografía, Enlaces, Opiniones.
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 Materials for using projector in math teaching  Antonija Horvatek
Geometer's Sketchpad and PowerPoint files for presenting fractions, decimals, integers, rational numbers, equations, functions, perimeter and area, plane transformations, the Pythagorean Theorem, threedimensional geometry, and statistics. Also available
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 Math500.com  Joe Cunningham
Selfguided problems to solve with automated feedback based on the strategy you select from among the multiple choices presented at each step, or upon the intermediate calculation you enter. Worked examples provide additional stepbystep support. Choose
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 Math and ProblemSolving  Dan Rosard
This site offers help with procedures, particularly in areas which have been observed to cause problems to some students; and unstructured problems with clues and questions. The first problem attempts to emulate the thinking used in the development of
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 Math Applets  Jake Enfield
Java applets for basic math, decimals, integers, fractions, geometry, and graphing. The author especially recommends 'Speed Multiplying', 'Finding Hurkle', and 'Graphing Linear Equations'.
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