Selected Sites   (see also All Sites in this category)

Constants, Units, and Uncertainty - National Institute of Standards and Technology (NIST) A reference with three sections: Fundamental Physical Constants (values of the constants and related information, and a searchable bibliography on the constants); the International System of Units (in-depth information on the SI, the modern metric system), and guidelines for the expression of uncertainty in measurement. more>> A Dictionary of Units - Centre for Innovation in Mathematics Teaching, University of Exeter, UK A summary of units of measurement world-wide (current units and a few of historical interest); conversion factors to the SI (Systeme International); an outline of the SI; its basic defining standards and some of its derived units; all the SI prefixes and some notes on conventions of usage; a short historical note on measures generally; descriptions of the Metric system, the UK (Imperial) system with a statement on the implementation of 'metrication' in the UK, and the US system; and a list of other resources (including other Web sites). From the Centre for Innovation in Mathematics Teaching. more>> How Many? A Dictionary of Units of Measurement - Russ Rowlett; University of North Carolina at Chapel Hill A dictionary of both metric (SI) and English measurement units, with history, links to related sites, and a bibliography. more>> Measure 4 Measure: Sites That Do the Work For You - Judy Wolinsky A collection of interactive sites on the Web that estimate, calculate, evaluate, translate, etc. - just about everything you can think of. Topics include: Science/Math; Health; Finance; and Everything Else. A fun site to integrate into your math and science classes. more>> Measurement Converter - Entisoft Units; ConvertIt.com, Inc. Many online calculators require a Java-capable browser. Here's one that doesn't, and will perform over 500 different unit conversions for distance, area, volume, mass, speed, temperature, pressure, energy, power, force, etc. And when you convert, say, 5 kilometers to miles, you not only get the conversion result, but a wealth of related measurements and sample conversions. more>> Metrics Matter - ThinkQuest Junior A simple introduction to the metric system, starting with a basic explanation of how the metric system works. Read about the metric system in relation to other methods of measuring, and learn how to measure time, length, volume, mass, and temperature. Unit conversion calculators show instant results for converting between units, and except for the unit on time, sections give the prefix, abbreviation, and multiplier for the metric measuring units. more>> Metric System Table of Contents - John L. Park; ChemTeam From a tutorial for high school chemistry: pages on Metric Units; Metric Prefixes; Converting One Metric Unit to Another; and Converting Metric Square and Cube Units to Another. Includes practice problems with answers. more>> Metric Week - Math Forum, Teacher2Teacher FAQ Answers to a frequently asked question: What are some activities I can use for Metric Week? more>> Tables of Roman Measurement - Mike Neill Tables of Roman measurement on this site (Calender, Capacity, Length, Money, Surface, Weight) are taken from A Smaller Latin-English Dictionary, by William Smith LLD, a Classical Examiner in the University of London, John Murray, Albemarle Street, 1865. Tables are generally unaltered except for Neill's conversions from Imperial to metric. more>> The United States and the Metric System - Office of Information Services, National Institute of Standards and Technology (NIST) A capsule history, with questions and answers, a metric chocolate chip cookie recipe, and some sample size relations (kilogram of butter to pound, etc.). more>> Weights and Measures - Jacques J. Proot A reference work, with history and equivalencies for standard and unusual units. Contains: systems (metric); basic units (length, weight, time, temperature, and others); secondary units (area and volume); Physics (force, pressure, work & energy, power); about the author; and separate pages on Anglo-Saxon units, Antiquity and Bible units, and Special problems (misc.). more>>

All Sites - 150 items found, showing 1 to 50

Active Worksheets - David Womersley, Active Maths Limited Formerly known as the Worksheet Factory, you can create worksheets online for an annual subscription fee: click on the "change" button and watch the numbers, angles, shapes or equations change; click on the "print" button to print a pupil worksheet and ...more>> Adding Feet and Inches - NASA Lewis Learning Technologies Project If Sally places a 3 feet 6 inch tall rocket atop a 1 foot 8 inch tall launch pad, how tall will the entire unit (rocket and launch pad) be when she is done? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Adding Integers (SMILE) - John Charles Thomas, N. F. Simeon Vocational High School A lesson designed to teach students to add and subtract integers, and define terms (additive inverse, identity element of addition, associative property of addition, addend, sum, magnitude). From the Arithmetic section of a collection of almost 200 single ...more>> 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. ...more>> Area and Volume (CEC) - Timothy Welch, Greenwood Elementary School, LaGrande, OR Students learn to describe the difference between area and volume and to understand how various units of measure relate to one another. A hands-on activity for grade 3 that provides a break from pencil and paper math problems. From the Columbia Education ...more>> Babylonian Mathematics - Dennis J. Ramsey Unlike the Greeks 1000 years later, 3900 years ago the Babylonians thought in terms of algebra and trigonometry instead of geometry. They used cuneiform symbols on clay tablets and divided the day into 24 hours, each hour into 60 minutes, each minute ...more>> Basic Math Concepts and Fundamentals - R. H. Logan A series of readings and practice problem activities designed to alleviate "math anxiety," for those planning to take a science course but uncertain about the math preparation. Includes lessons and practice problems. The topics covered are especially ...more>> Beyond Extra Large (and Ultra Small) - Ivars Peterson (MathTrek) Metric prefixes come in handy for expressing both large and small quantities. So we have megawatt power systems and gigabyte hard drives at the high end, and we have nanoscale electronics and femtosecond lasers at the low end. Advances in scientific research ...more>> Biopolymer Calculator - Schepartz Lab Calculate the molecular weight, the extinction coefficient, the concentration, and the melting temperature of a single stranded nucleic acid. Additionally, you can enter a protein sequence and calculate the molecular weight (using average isotopic mass), ...more>> Body Surface Area Calculator - Evelio Perez-Albuerne Calculate the surface area of your body (in square meters) from height and mass. ...more>> Break-Tru Software - David Giordano Math shareware and freeware downloads for the PC include Quick Conversion, which converts distance measures such as inches, feet, yards, rods, furlongs, miles, and leagues to and from metric units such as meters; Fractions n Decimals, which converts mixed ...more>> British Weights and Measures Association - Mr. Vivian Linacre, Edinburgh, UK Views and aims; press releases; the association's publications and some articles from them; a list of patrons and officers; subscription details; an invitation to help; and contact information. "The British Weights and Measures Association opposes wanton ...more>> Calchemy Live! - Calchemy Software Inc. Express the parameters of an equation in any convenient units of measure. Calchemy then checks the equation and parameters for dimensional consistency and makes all the necessary units conversions automatically. Categories include acceleration, angle, ...more>> Calculations and Formulas for Gemstones - Dendritics Incorporated Calculate the carat weight or specific gravity of a gemstone or the value of precious metals in various currencies, or convert weights among grams, carats, pennyweights, and ounces. ...more>> calculator.org - Flow Simulation Ltd. A collection of calculator-related resources, including an online scientific calculator, recommendations for hardware calculators, books about calculators, links to other online resources, and a free download of Calc98, a scientific, engineering, ...more>> Calculators On-Line Center: Part II - Mathematics - Martindale's Reference Desk Over 7,420 calculators for: Unit Conversion (Time, Distance, Length, Speed, Weight, etc.); Abacus; Basic Math; Complex Mathematics; Complex Math Education; Complex Math Calculators by Specialty: Algebra and Linear Algebra; Algorithms; Calculus; Central ...more>> Celsius to/from Fahrenheit - Math Forum, Ask Dr. Math Common Question A selection of answers to questions about converting Celsius to and from Fahrenheit, such as "Is there a temperature that is the same on both the Celsius and Fahrenheit scales?" ...more>> Centre for Innovation in Mathematics Teaching - University of Plymouth A focus for research and curriculum development in mathematics teaching and learning with the unifying aim of enhancing mathematical progress in schools and colleges. The site includes: The Mathematics Enhancement Programme; Resources: worksheets in HTML ...more>> Children's Shareware, Java Applets, Nature Wallpaper, and more - Lawrence Goetz Shareware programs for kids, for Windows 3.1 and 95, including: Paddle Battle (a pong clone), Larry's Learning Math Machine (unregistered version has addition and subtraction; registered includes multiplication and division practice), Larry's Learning ...more>> CLK-Calculator - Lars Kobarg Reverse Polish notation Calcualtor is a calculator program for Windows with unit conversion and matrix calculator, functions for vectors and complex numbers, and a function plotter. ...more>> Common Equivalent Weights and Measures - U.S. Army Engineer Waterways Experiment Station Research Library A chart of units with metric and US equivalents. ...more>> Common Weights And Measures - College of Chemistry, Univ. of California at Berkeley Tables of Mathematical Notation for Orders of Magnitude; Metric prefixes; and Common U.S. and Metric equivalents. ...more>> The Constants and Equations Pages - Jonathan Stott A growing reference resource providing alphabetically listed categories of some of the more important and useful aspects of maths and special sections on numbers, algebra, trigonometry, integration, differentiation, and SI units and symbols, with in addition ...more>> Conversion Factors - Washington State Department of Transportation Conversion tables between U.S. customary units and SI (International System) units. The proper conversion procedure is to multiply the specified value on the left (primarily U.S. customary values) by the conversion factor exactly as given below and then ...more>> Conversion Page - Keith Hooker Convert to and from U.S. fluid/dry and metric measures: quarts, cups, teaspoons, gallons, fluid ounces, tablespoons, liters, milliliters; pounds, ounces, grams, kilograms. ...more>> Conversion Program - Lawrence Goetz A page that uses JavaScript to convert temperature between Fahrenheit and Celsius, length among inches, centimeters, feet, yards, meters, miles, and kilometers; weight among grams, ounces, pounds, and kilograms; and volume among fluid ounces, cups, pints, ...more>> The Converter Site - Alastair Hazell A user friendly metric and imperial converter tool. Converts length, area, weight, speed, temperature, time, energy, force, length, mass, power and currency. ...more>> Convert for Windows Configurable units conversion calculator. Downloadable shareware. Windows only. ...more>> Converting Inches to Miles - NASA Lewis Learning Technologies Project The scale on a road map is 1 inch = 250 miles, how many inches would represent 1250 miles? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Converting Tons to Pounds - NASA Lewis Learning Technologies Project A loaded moving van weighs 5 tons. How many pounds would 10 loaded moving vans weigh? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Convert It! for Windows Divides the unit conversions into 35 groups with up to 30 units per group. (The trial version has 15 groups.) Convert metric to customary (or standard) and from customary to metric. The groups are: temperature, distance, mass, volume, angle, area, power, ...more>> Convert It! - Micro Images Internet Services Conversion tables: enter a number and convert from one unit to another: acceleration, area, energy/work, power, length, mass, metrology, pressure, temperature, volume, U.S. fluid/liquid, and velocity conversions are all possible. ...more>> Convert-me.com - Mariya Voznesenskaya and Sergey Gershtein Online converter of areas, capacities and volumes, circular measures, computer storage, currencies, distances and lengths, energy and work, fuel consumption, power, pressure, speed, temperatures, time, torque, weights and masses. Convert-me.com offers ...more>> Countdown! - Objective Consulting Inc. (OCI) Calculate the number of seconds between any two events: find out how long it will be until the millennium, until your birthday, or simply how long you have been alive. Answers are also expressed in days, hours, and minutes. ...more>> Decimal Coins of the UK - Tony Clayton The change to decimal coinage: Decimalisation Day. D-Day was February 15th 1971. On that day the United Kingdom changed from the centuries old tradition of using 12 pence to the shilling and 20 shillings to the pound to a new decimal 100 new pence to ...more>> Digital Generation Unit Conversions - Digital Generation Choose from 26 different categories of engineering and scientific units. Also available at http://www.webcom.com/legacysy/convert2/convert2.html and http://www.legacysy.com/~legacysy/convert2/convert2.html. ...more>> Eighth Grade (AAA Math) - John Banfill Interactive math exercises, lessons, and games covering basic arithmetic concepts and methods, for eighth grade. ...more>> Equivalent Measurements - Math Forum, Ask Dr. Math Common Question A table of equivalent measurements for units such as teaspoons, tablespoons, cups, pints, quarts, gallons, ounces, and pounds. ...more>> Fahrenheit to Celsius - Jim Loy Ways to convert: two equations, two unknowns. ...more>> Figure This! Math Challenges for Families - National Council of Teachers of Mathematics (NCTM) Elementary-level 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 ...more>> Fish Calculators - Fish Link Central Java calculators for owners of pet fish. Convert between units of length, volume, temperature, or flow rate, determine the concentration of nitrogen and oxygen and the hardness of water, or check the current phase of the moon. ...more>> 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 ...more>> Frink, a Calculating Tool and Programming Language - Alan Eliasen A calculating tool designed to solve practical problems. It performs calculations and conversions of units of measurement, dates and times, timezones, currency values, historical values of currencies, and translation between languages. Frink is also a ...more>> From Starting Line to Ancient Angle - Ivars Peterson (MathTrek) The ruins of ancient Corinth include a stadium that featured several courses for foot races. In 1980, archaeologists found and excavated the curved starting line for one such racecourse, dating from about 500 B.C. Curved to allow a staggered start, the ...more>> General Tables of Units of Measurement - Office of Information Services, National Institute of Standards and Technology (NIST) Tables of metric units of measurement; tables of U.S. units of measurement; notes on British units of measurement; tables of units of length (international and survey), area (international and survey), capacity (dry and liquid volume measure), mass not ...more>> Geometrical Dimensional Analysis: Map of Physics - John Aikman A text article and a tutorial, with references and links. Familiar equations and formulas of physics arranged into 3D structures create concept maps of the system of units and a potential for super-formulas: more powerful formats for use of existing mathematical ...more>> Go the Distance - Francie Caraker; SCORE Mathematics Who needs math? Pilots do. This lesson applies math functions to convert kilometers to miles and calculate travel time for different aircraft. Aligned to the California State Standards. From the Schools of California Online Resources for Educators SCORE ...more>> A Guide to Metric Time - Lyle Zapato Metric Time, or MT, is an attempt to create a base-10 friendly time system similar to the measuring system based on 10 for weight, distance, volume, etc. A description, history, and conversion charts for metric time, with a discussion of time zones and ...more>> Highline Advanced Math Program - Don and Jerre McQuinn; Highline Council PTSA, Seattle, WA A math enrichment program for students in grades 5-7. Lessons (first and second year) and a homework helper; Math Quizzer; definitions, and unit conversions. Also practice quizzes for the Olympiads. ...more>> High School Learning Units - Mathematics Education Partnership Program (MEPP) Lesson plan subject areas: Pre-Algebra, Algebra, Geometry, Trigonometry, Statistics, Pre-Calculus, Calculus, the Internet, and Science, downloadable in PDF Format. The National Security Agency (NSA) sponsors local-area teacher workshops designed to encourage ...more>>

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