- Algebra.Help - John Traker
Algebra.help is an online resource designed to help people learn algebra. It offers lessons to teach or refresh old skills, calculators that show how to solve problems step-by-step, and interactive worksheets for testing skills. To be notified of updates
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- All About Ratios - Cynthia Lanius
Activities designed to help students understand the concept of ratios, using the Internet. Activities may also be printed out if computer access is not available. Students are expected to: use multiplication and division of whole numbers to solve problems,
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- Analyzing Numeric and Geometric Patterns of Paper Pool (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation. The interactive paper pool game in this i-Math investigation provides an opportunity for students to further develop their understanding of ratio, proportion and least common multiple. Students develop
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- A Bibliography of Mathematics Education - Paul Ernest, University of Exeter, U.K.
A 1994 electronic bibliography prepared for students at the University of Exeter, U.K. Contents: Society, Diversity And Mathematics Education; The Learning Of Mathematical Topics; The Psychology Of Learning Mathematics; Teaching Approaches And Resources
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- Buying My First Car - Bruce Hills, Jennifer Mendes; SCORE Mathematics
You will soon be in the position of getting your driver's license and looking for a car. In all of the excitement, you are faced with a number of decisions which need to be made before you actually purchase your car. Through this unit you will research
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- Cancer & Mathematics (MSTE) - Dildine, Silver; University of Illinois at Urbana-Champaign (UIUC)
An Internet Adventure into Cancer, Pattern Recognition & Image Analysis, and Geometry. Cancer is a group of diseases in which some body cells change their nature, start to divide uncontrollably, and may revert to an undifferentiated type. This lesson
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- Center for Technology and Teacher Education - Curry School of Education, University of Virginia
An interdisciplinary group that develops materials to prepare teachers to use technology to enhance and extend students' learning of mathematics. This site offers activities using graphing calculators, The Geometer's Sketchpad, Microsoft Excel, the ExploreMath.com
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- Circles of Dissonance - Ivars Peterson (MathTrek)
Much of today's music rests upon ancient tradition going back thousands of years to the time of the Greek mathematician and mystic Pythagoras. The Pythagoreans observed that tones an octave apart are pleasing to the ear. In modern terms,
one can say
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- Coaster Connections - Matt Gehrett, Leon Ryder; SCORE Mathematics
What science and math exist in a roller coaster? Enter the world of roller coasters via hands-on activities, Internet information, online experts, and computer simulations. Aligned to the California State Standards. From the Schools of California Online
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- Co-op City - Peter Barricelli
A classroom project involving the construction of scale models of buildings and towns. In addition to teaching ratio and proportion, the process introduces the students to blueprint and CAD (Computer Aided Design) programs.
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- Cost-Of-Living Calculator, Percent Change Calculator - NewsEngin Inc.
The cost of living utility converts dollar values, adjusting for inflation. Find the buying power of dollar amounts dating back to 1957, according to a national U.S. city average, urban regions, or metropolitan areas, as based on the historical Consumer
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- CPO Online - Cambridge Physics Outlet
A company founded by teachers and scientists that creates hands-on equipment and curriculum for teaching science, math, and technology from grades 4-12 and beyond, and provides effective professional development in science and math that is both content
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- Design Ideas - Julie Coghill
A series of articles that discuss quilt design using proportion, asymmetry, and Pythagorean triples.
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- Does More Wins Mean More Fans at the Ballpark? - Kent Anderson; SCORE Mathematics
After getting information from the past baseball season off the Internet, students will calculate an attendance-to-win ratio for each of the 28 major league teams and then study the results to see if winning always leads to good attendance. Aligned to
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- Domebook - Tom Camilli
Cardboard and transparent plastic geodesic domes built by children. Students start by constructing paper models, then apply scale factors to construct domes of any size using cardboard or wooden dowels and plastic sheeting. See pictures of classroom projects;
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- Doubling Pennies - Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Which is more, a million dollars or a penny doubled every day?
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- EduWare - EduWare, Inc.
Eduware Software lets teachers create exams for any subject or from test banks of Regents questions for Science, Social Studies, Foreign Languages, and Math, using the Wizard Test Maker program. Math subjects include logic, algebra, geometry, the coordinate
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- Effective Use of Living Space (SMILE) - William L. Brown, Parkside Community Academy
A lesson designed to teach students to measure the area of a room and various objects in this room; place scale model furniture in a room and determine the area occupied; and calculate the percentage of space used. From the Practical and Applied Math
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- Eighth Grade (AAA Math) - John Banfill
Interactive math exercises, lessons, and games covering basic arithmetic concepts and methods, for eighth grade.
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- Energy Efficient Architectural Design and Model Building - Stephen Kass - Yale-New Haven Teachers Institute
A unit designed for middle to high school level math teachers who want to illustrate the principles of scaling, ratio, and proportion in a concrete way through model building, and for science teachers who want to teach practical energy efficient design
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- The Evolution of the Real Numbers - Lawrence Spector
An introduction to real numbers, including such topics as: the ratio of natural numbers; continuous versus discrete; fractions; unit fractions; rational numbers; measurement: geometry and arithmetic; common measure; squares and their sides; incommensurable
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- Exploratorium's Science of Cycling - The Exploratorium
Organized into seven sections. Introduction: What is the Science of Cycling? The wheel: Why do road bikes have thin tires, while mountain bikes have fat tires? Drives and gears: What is a gear ratio? And how do gears help make the bicycle so efficient?
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- Exploratorium's Science of Hockey - The Exploratorium
This site takes you inside the game: you'll hear from National Hockey League players and coaches, as well as leading physicists and chemists. Divided into seven main sections: the ice (why is ice slippery?), skating (what are the mechanics involved in
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- Fractions, Cycles, and Time - Ivars Peterson (MathTrek)
In ancient times, people had to confront awkward numbers in astronomical contexts when they compared the motions of the sun and moon. The unfailing, daily passages of the sun across the sky and the corresponding movements of the stars at night represented
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- Getsmarter.org - Council on Competitiveness
An animated and interactive testing and learning site. "The Real Challenge" is a timed test, in either math or science at various grade levels, comparable to that used in the Third International Math and Science Study (TIMSS). After completing the assessment,
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- Graphing Game (SMILE) - Thomas Lalagos, Hyde Park Career Academy
A lesson that introduces the graphing of ordered pairs on the cartesian plane. 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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- 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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- A Hen and a Half - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the rate of eggs laid by chickens: "If a chicken and a half lays an egg and a half in a day and a half ..."
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- History Of Our Solar System on a Time Line (SMILE) - Richard Murray, Gage Park High School
A lesson designed to teach students how to use ratios to make scale models. 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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- 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 on-line and downloadable versions.
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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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- 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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- 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 pre-algebra
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- Learning about Ratios: A Sandwich Study (CEC) - Sheryl Weinberg; Southeast Island School, District, Ketchikan, AK
Learning about ratio using peanut butter and jelly sandwiches (grades 4-6). Ratios can be a difficult idea for elementary students to grasp. Spending time manipulating "real" objects provides a tangible reference when later dealing with the concept in
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- Learning ratios and proportions through scale drawings (SMILE) - Erwin Laskey, Eugene Field School
A lesson designed to teach students that a ratio is a comparison between two numbers; that a proportion is an equivalent relation between two ratios; and that scale drawings are ratios; so that they will be able to make a scale drawing of
the classroom.
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- Lunar Eclipse: Fact and Myth - Sheryl A. Decaprio - Yale-New Haven Teachers Institute
Lunar Eclipse: Fact and Myth consists of three major parts: 1) a description of the physical occurrence of an eclipse, 2) a method of computing the time a specific eclipse will occur, and 3) a survey of various folklore interpretations of the moon and
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- Making Math Easy
Home-based 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. Pre-Algebra topics include
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- Math and Problem-Solving - 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 Club - Sunny Hills Elementary School, Issaquah, WA
A voluntary math enrichment program for students in grades 4 and 5, developed by interested parents, working in collaboration with educators. The program is similar to programs at other Washington schools that compete in the state Math Olympiad. Online
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- Mathematical Ratio & Proportion - Henry Gurr
An experimental attempt to increase student understanding of topics in physics that involve mathematical proportion encountered an unexpected result: Students showed higher than normal difficulty learning the higherorder generalization that the physics
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- Mathematics and Architecture Design - Winnifred Morgan - Yale-New Haven Teachers Institute
A unit about architecture and its unique relation to mathematics, incorporating
the study of such mathematical concepts as ratio, proportion, scales, symmetry, and similarity, and providing definitions and explanations of the mathematical concepts of
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- Mathematics: Developmental/Related Activity Guides - Louisiana Energy Conservation Enhancement Project
Activity guides originally created for Louisiana vocational technical schools for their Energy Conservation Enhancement Project, to increase the knowledge of energy conservation/efficiency techniques of those who will work in building trades and enhance
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- Mathematics in Architecture - Lauretta J. Fox - Yale-New Haven Teachers Institute
To produce structures that are functional as well as models of architectural beauty, designers must apply principles of mathematics in their work. Scale drawings, commonly known as plans, are used as patterns in the construction of buildings. Proper ratios
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- Mathematics in You - Michael Conte, Jr. - Yale-New Haven Teachers Institute
The human skeleton presents an unusual opportunity to teach mathematical skills and concepts. This unit shows the interactions of the science of anatomy with methods of teaching mathematics, using the skeletal system as the basis for teaching: scale,
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- Mathematics Lesson Plans: Math - Elementary (K-5) - Columbia Education Center (CEC)
K-5 math mini-lessons, listing author, grade level, subject, overview and purpose, objectives, materials needed, and activities and procedures, including materials for learning basic operations, using manipulatives, and studying fractions, place value,
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- Mathematics of Cartography - Cynthia Lanius
A map is a set of points, lines, and areas all defined both by position with reference to a coordinate system and by non-spatial attributes. These pages discuss how maps are used, give examples of different kinds of maps, and cover map history and math
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- Math Exercises
Interactive exercises, lessons, and worksheets to practice knowledge of whole numbers, integers, divisibility, fractions, exponents and powers, percentages, proportional reasoning, linear equations, quadratic equations, monomials, polynomials, special
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- Math in Daily Life - Annenberg Media
Students often question how they will use basic mathematical concepts, algebra, and geometry throughout their lives - but the average person uses math at least three times a day. Read how math affects daily decision-making in this series of short articles
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- Math Problems: Integers - Michael Thompson
A simple program that allows pre-algebra level students to select problems to practice, then provides a series of problems while a grade (percent and letter) is tabulated. See also Thompson's Worksheet Generator.
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The Math Forum is a research and educational enterprise of the Goodwin College of Professional Studies.