 An Introduction to Estimation and Measurements (SMILE)  Christeen Brown, Robert Fulton Elementary
A lesson for grades 35 designed to teach students to convert ounces to pounds; measure liquids; describe measurements in sizes; measure volumes; understand the importance of knowing and using the measurements; observe shapes and sizes in measurements;
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 Judy's Applications
Various calculatortype programs, including: Judy's TenKey (calculator program which features an editable tape which automatically recalculates when you make changes among other features, and a free demo version is downloadable here), Judy's Conversions
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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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 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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 Making Ice Cream (SMILE)  Vickie Townsend, Crown Fine Arts Community Academy
A lesson for grades 58 designed to teach students to change a recipe to arrive at the amount of each ingredient needed to serve a given number of people; explore, observe, examine, measure and mix the ingredients provided; and convert metric units to
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 Mass and Weight in the Metric System (SMILE)  Janet L. Powe, Harold Washington Elementary School
A lesson designed to teach students to choose the most reasonable metric unit of mass; work in a group to weigh objects in the metric system; and solve problems using milligrams, grams, and kilograms. From the Practical and Applied Math section of a collection
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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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 Mathematical Tables and Formulas (S.O.S. Mathematics)  Dept. of Mathematical Sciences, Univ. of Texas at El Paso
A place for students and educators to access mathematical formulas. The tables are organized by topics: The First 1000 Prime Numbers; The Prime Factorization of the First 1000 Integers; Math for the Toolbox  SAE to Metric Conversion; Some Important Constants;
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 Math Fun and Educational Gifts and Specials  24Hours7Days
Purchase Clever Catch Balls, Fraction Bars, Decimal Squares, Math Chase, and other board games and manipulatives for practicing addition, algebra, decimals, division, fractions, money, multiplication, patterns, subtraction, and time.
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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 decisionmaking in this series of short articles
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 The Math League  Conrad, Flegler, Motyka; Math League Multimedia
Math contests for grades 4 through 12, contest problem books, and math educational software for grades 48. Contest results from math league competitions in the U.S. and Canada are posted here.
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 Mathletic
A Mathematics and Puzzles resource. Under mathematics there are sections on planes, solids, conversions, Greek letters, constants, and integration. Puzzles offered, with clues and answers, include: Add it Up; Seesaw; Cheque it out; Coins; Crop Circle;
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 Math Problems & Quiz Games  Syvum Technologies, Inc.
Illustrated preparation materials and selfscoring tests on counting money with US coins, values of Roman numerals, conversion to Roman numerals, composite and prime numbers, even numbers and odd numbers, and metric measurement.
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 Math software demos, freeware, shareware for IBM PCs  Math Forum
DYSyst, Euklid, Fractal Grafics, FractInt, IBP Math tools (unit conversions), Penrose, Polyray, Persistence of Vision (POVRay). Download zipped demos from the Math Forum archives. Read the Index for descriptions of these programs.
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 Measurement (cup, pt, qt, gal) (SMILE)  JoAnn Campbell, Leslie Lewis School
A 5th grade lesson designed to teach students to rename measurements with cups, pints, quarts, and gallons, and to choose appropriate units of capacity. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by
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 Measurements Converter  Sergey Gershtein
JavaScript conversions in the following categories: weight, capacity and volume, length, area, speed, pressure, temperature, circular measure, and time. [Do not use this converter if you need precision calculations.] You will need a Javacapable browser
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 Measurements In The Metric System (SMILE)  Christine Fair, Farragut Career Academy
A 3rd grade lesson designed to teach students to estimate and then measure to the nearest inch and centimeter. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for
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 Measurement Units Translation  Sergey Gershtein, UralRelcom, Ltd.
Javascript converters for weight, capacity and volume, length, area, speed, pressure, temperature, circular measure, and time.
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 Measuring America  Andro Linklater
Measuring America is the story of why America has ended up with its unique system of weights and measures — the American Customary System, unlike any other in the world — and how this has profoundly shaped our country and culture. In the process, the
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 Measuring Centimeters  NASA Lewis Learning Technologies Project
If a pencil were 7.5 centimeters long, where would its point end on this centimeter ruler? A diagram and a detailed answer are provided. From NASA's 9th Grade Math Proficiency Test.
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 Measuring in Inches and Centimeters (SMILE)  Debra Thomas, Douglass Math and Science Academy
A 6th grade lesson designed to teach students how to measure in inches and centimeters. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 megaConverter.com  BenCam InterMedia
megaConverter.com is an evergrowing set of weights, measures and unit conversion/calculation modules. Spin a dial to select the kind of unit to convert: ancient lengths, volume, weight; angles; area; astronomical distance; bases  dec/hex/oct/bin; density;
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 Meters Squared or Square Meters?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the difference between saying "units squared" and "square units," such as "What is the difference between 10 square miles and 10 miles square?"
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 Metric and English Unit Conversions  Science Made Simple, Inc.
Convert between different unit measurements, both English and metric: area, length, temperature, time, volume, weight, or fruit (apples to oranges).
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 Metric and Imperial Conversion Calculators  Conversion4u.com
Convert temperatures, weights, lengths, areas, volumes, speeds, and times from metric to imperial or vice versa.
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 METRICATION: Just say, NO!  Thought You Should Know (TYSK)
TYSK opposes the forced implementation of the metric system on the American populace on three basic levels: practicality, functionality, culturally. News, Articles, Links.
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 Metric conversion  Dejan Posedi
Convert units of length, weight, speed, temperature, time, volume, area, power and energy. Also available in German.
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 Metric Measurements  Math Forum, Ask Dr. Math Common Question
Tables of metric measurements for length, volume, mass, and weight, with equivalences, prefixes, and abbreviations.
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 Metric System and Unit Conversion  R. H. Logan, Dept. of Chemistry, Dallas Co. Community College, North Lake College
Advantages of the metric system: it was based on a decimal system (i.e.: powers of ten) and therefore simplifies calculations; it is used by most other nations of the world, and therefore has commercial and trade advantages. If an American manufacturer
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 Metric System: a WebQuest for 710 grade Science  Deborah L. Folis
A project that covers the history of the metric system, symbols, prefixes, and unit conversions. Comparisons are made using the history of the U.S. System and the Metric System. Common measurements and units used in Physics are also found, and a better
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 The Metric System (SI): A Concise Reference Guide  David Bartlett
Accurate but concise information intended to clarify the mysteries of the Système International d'Unités (SI), for both the layman and the expert. Introduction, a brief history, the base and supplementary units, derived units, SI prefixes,
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 Metric Unit Conversion  GlobeFeed.com
Online metric unit conversion calculators for the units of weight, length, temperature, volume and area.
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 A Million/Billion Seconds  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about millions and billions of seconds, such as "What is a million seconds in weeks, days, hours, minutes, and seconds?" and "How can I work out the number of seconds since 1980, taking leap years into account?"
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 Money Math  Education 4 Kids, Inc.
Three types of games at two levels of complexity: making change, spending money, and "Piggy Bank Breakin."
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 Money Skills (Early Learning Series)  Marblesoft Software
Four activities for the Mac that teach counting money and making change in American and Canadian money.
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 Motion Mountain Project  Christoph Schiller
A mountain hike along the concepts of modern physics  a free physics textbook in English and Dutch, in PDF format, intended for anybody with an indepth interest in physics and in nature. The aim is to write an exciting universitylevel textbook  if
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 Mr. Myers' Classroom  Nathan Myers
Read the puzzle of the week and then submit your answers online. Other "brain busters" include matrix logic puzzles, featuring readymade charts. Explore and identify fraction bars with JavaScript, or geometry with Java applets. Also, fact sheets and
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 Numericana.com  Gérard P. Michon
The online companion of Numericana, this site contains excerpts from Michon's book, including the entire glossary of scientific terms. Browse an index with pithy summaries, browse by popularity, or search nearly two hundred of his "final answers" of readers'
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 The Nursing Files  Math  The Wayfarer
Answers to nurses' questions about math, and formulas nurses are expected to know everyday. Learn about tables of equivalents, terms (measures of weight, volume, capacity, and length), dosages, ratio solutions, intravenous (IV) flow rates, percent solutions,
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 Online Chemistry Calculators  David Hsu
Convert units of energy, pressure, volume, temperature, mass, and power, or make calculations using the ideal gas law and different units.
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 Online Clinical Calculator  Division of General Internal Medicine, Medical College of Wisconsin
Includes a Bayesian Calculator (calculates test sensitivity, specificity, predictive values, and likelihood ratios) and numerous clinical formulas (Aa Gradient, Anion Gap, Estimated Blood Level, Body Surface Area, Body Mass Index, Estimated Creatinine
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 Online Conversion  Fogt
JavaScript for converting lengths and distances, temperatures, speed, volumes, weights and masses, computer memory, date and time, cooking, angles, area, power, energy, density, force, pressure, numbers, finance, light, torque, viscosity, frequency, flow
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 Onlineunitconversion.com
Oover 225,000 conversions, togethr with explanations of their history and use.
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 Page of Conversion (Convert It)  Ramsviks, Adler
Enter a number and press the tab key to convert among bases, tempreatures, and measures and weight.
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 Paul Trow's Math Page  Paul Trow
Trow's interactive web pages and perl software let you graph the LotkaVoltera equations and see interconnected predator and prey populations plotted over time; model the trajectory of a cannonball for different muzzle velocities and angles of elevation,
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 Physics 109N: Galileo and Einstein  Michael Fowler; Dept. of Physics, University of Virginia
A course that explores two revolutions in our perception of the universe. The first, in which Galileo played the leading role, was the realization that what we see in the heavens  the moon, the planets, the sun and stars  are physical objects. The second
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 Play Ball (SMILE)  Roslyn N. Matthews, South Shore High School
A baseball lesson designed to teach students to compute batting and earned run averages; given general dimensions of the playing field and some equipment, change the units to the metric system; find the diagonal distance from 3rd base to 1st base; and
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 Plumbing Statistics and Information  PlumbingSupply.com
Conversions, formulas, and tables about water weights, pressures, flows, volumes, horse power, pump efficiency, the weight of 100 yards of pipe filled with water, and flow rate to velocity comparisons. Also, a water flow rate guide and abbreviations.
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 Power Conversion  MedCalc.com
Convert to and from watts, btus, cals, ergs, ftlbs, horsepower, kilowatt.
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 Powers of Ten  Bruce Bryson
A series of images based on the book Powers of Ten, by Philip and Phyllis Morrison and the Office of Charles and Ray Eames. Each picture's subject is ten times wider or narrower than the next. Images range from quarks at 1016 meters to groups of galaxies
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