 EasyCalculation.com
Free online mathematics converter, calculators, and other tools for numbers, unit conversions, hexa conversions, decimal conversions, binary conversions, area, trigonometry, analytical geometry, algebra (e.g., group work, Bernoulli inequality, Venn diagrams
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 Education by Design
Publishers of educational software, focusing on special needs software for Windows and Macintosh that can be accessed with keyboard, mouse, and especially with IntelliKeys, Touch Windows or with switches. Math titles include MathPad, an arithmetic tutorial
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 Edutest: Online Assessment Resource
Assessment testing based on nationally recognized standards in Math and Language Arts for grades 28. Scoring is instant and both parents and teachers can review the tests and the correct answers with their students. The site has some information for
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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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 Elementary Math Games and Activities  Math Lessons, Belmont Education
Games, newsletters, articles, and worksheets. Games are for sale, other items free with registration. The authors also post new ideas and receive feedback on the Teaching Math Blog, where past articles and videos have included "30 Tips for teaching Elementary
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 Elementary Resources: Math  Iram Khan and James Horner, CanTeach
CanTeach was created to assist teachers in finding and using resources online. The authors have emphasized lesson plans, resources, and links which have a Canadian focus. The elementary math resources are organized into these categories: numbers, patterns
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 Elementary Thoughts: A Collection of Gail's Responses  Gail Englert
A collection of Gail Englert's responses to questions from elementary and middle school teachers, parents, and students, in the Teacher2Teacher service. Covers a wide range of elementary mathematics topics, as well as teaching points.
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 The EMPower Project  TERC
Extending Mathematical Power: A Math Curriculum for Adults, extends school mathematics reform to currently underserved populations so that they more effectively engage mathematical demands at work, at home as parents and caregivers, in the community,
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 Encarta Online  Microsoft Corporation
Browse or search for math lessons and activities for K12 students and teachers, from problem solving to probability and more.
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 Eratosthenes Finds Diameter of Earth!  Mary Kay Hemenway, University of Texas at Austin
Students learn to estimate the diameter and circumference of the Earth by repeating Eratosthenes' experiment, exchange measured data and results, and use the Internet to research the mathematical and scientific contributions of Eratosthenes. Hemenway
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 Escape Velocity Calculator  Brian Martin
This minimal javascript tool calculates the escape velocity of a body given the body's mass and radius (sample data are provided for the Earth, the Moon, Jupiter, and the Sun).
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 The Event Inventor  Kye Ewing
Science, math, and technology explorations with no experience necessary. (Explorations can often be done by older children with no help.) Make your own quadrant and cross staff and explore the world around you  measuring heights of buildings or trees
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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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 Excel Math  AnsMar Publishers, Inc.
Excel Math is a mathematics curriculum for Kindergarten through Sixth grade students. Students are repeatedly given practice in the use of the concepts, following their introduction, so that they retain them and develop a solid foundation on which to
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 Exclusive Educational Products  Exclusive Educational Products
Order math resources and manipulatives for the curriculum of Ontario, Canada, as listed by grade or by the strands of number sense, measurement, patterning and algebra, geometry, data management, and assessment. Virtual workshops include samples from
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 FactMonster: Math  FactMonster.com; the Learning Network
Almanac of information on numbers, measurement, tables and formulas, and money; with special features and online games and quizzes.
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 FifthGrade Empathy ... For Plants  William E. Ray; Kodak
Children were introduced to this project by taking them outside Pinoak Elementary School, Oil City, PA, in March and having each pair of them select a living
plant specimen. Buds were noticed as being a part of each plant and were the plant parts which
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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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 Finding Area and Perimeter in a Miniature House Using Standardized Units (SMILE)  June Muhammad, Park Manor
A lesson designed to teach students to find area and perimeter in a miniature house using standardized units of measure; to understand that the length of an object remains the same regardless of changes that occur in its position; and to experience handson
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 Finding the Sum of the Exterior and Interior Angles of a Polygon (SMILE)  David Drymiller, Morgan Park High School
A geometry lesson designed to teach students to find the sum of the interior angles and the sum of the exterior angles of any polygon; review linear measurement to the nearest sixteenth of an inch and angle measurement to the nearest degree; and construct
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 First Curriculum  Patricia Simis Lundy
A first grade early literacy curriculum. In the Discovery Zone introduces the scientific method; Weather or Not uses grids, mapping, measurement, and number sense; see Our Big Backyard, showing the integration in the various lessons of literature and
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 Flight Angles Of Inclination (SMILE)  Marie C. Smith, Anthony Overton Elementary School
A lesson designed to teach students to observe the flight of a glider; measure the distance flown from a given point; analyze the effect of a change of angle of inclination on the launch/flight of slinglaunched gliders; collect data on distance flown
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 Forming, Measuring and Labeling Angles (SMILE)  Essie Lee May, May Community Academy
A geometry lesson designed to teach students to form, measure, and label angles. 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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 Formula Conversion  Mike Krone
Convert distances, lengths, areas, volumes, weights, masses, speeds, fuel economies, grade point averages (GPAs), and more, each with a formula showing unit changes and dimensional analysis.
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 Free Puzzles  Jimmie Dean
A collection of puzzles and brainteasers, divided into geometry, logic, math, weight, moves, and miscellaneous. Each puzzle includes a hint, and solutions are available through email. Online games and puzzles include a chess knight game and Hangman.
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 Free Ruler  Pascal
Free Ruler is a free screen ruler for Mac OS X with the following features: a horizontal and vertical ruler which can be used independently or simultaneously; measurement in pixels, inches, picas, or centimeters; automatic alignment of rulers; the ability
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 From Galaxies to Electrons (Math Chat)  Frank Morgan, MAA Online
What are the largest and smallest objects anyone has ever seen with the naked eye? heard? felt? (For the first part, the whole object must be seen, though not necessarily in full detail or from every side.)
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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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 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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 GEM: Gateway to Educational Materials  National Library of Education (NLE)
A database for education links, intended to be more useful for teachers than a search engine. It records the resources of its consortium members (information on joining the consortium is available onsite). Users are able to: browse through lists organized
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 Geometry and the Geoboard (SMILE)  Jacqueline Darling, Simmye Anderson Community Academy
A 6th grade lesson designed to teach students to use geoboards: visualizing the concepts of squares, rectangles, triangles and polygons; exploring line segments, areas, and perimeters; demonstrating the phenomenological approach in learning geometry;
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 Geometry Distance of Triangles using a Protractor (SMILE)  Eileen Lally, A. Philip Randolph Magnet School
Students in the 7th grade learn how to use the protractor to measure angles, and use this ability to solve a problem involving distance. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and
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 Getting To Know You (SMILE)  Kathy Koval, Randolph School
A lesson for any grade designed to teach students to use a ruler and measure accurately to the nearest inch; draw and label properly different graphs (line, pie, bar, pictograph); estimate/record measurement on a number line using intervals; and collect
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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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 Google Calculator
Google's calculator feature evaluates math expressions. The google.com and the Google Toolbar search boxes now handle queries such as: 56*78, half a cup in teaspoons, (G * mass of earth)/(radius of earth ^ 2), and 1.21 GW / 88 mph. Google provides instructions
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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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 Hands Across America (TEAMS)  Jeannie Toshima; TEAMS Distance Learning, Los Angeles County Office of Education
How far can we get across the United States if we all join hands and measure the length of the line? In 199495 7,164 participants yielded a total of 19,546.22 feet. Your students might want to put the information into a database, creating fields to compare
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 HandsOn Math Activities for Grades 46  Wendy Sawatzky
Designed for a grade 5 class, but adaptable for grades 4 or 6. Teacher notes and readymade task cards are available for each activity. Topics include numbers and operations, geometry, problem solving, measurement, data management and analysis.
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 HandsOn Universe (HOU)  Lawrence Berkeley National Laboratory
An education program that helps high school students perform astronomical research in the classroom. Students around the world can request observations from an automated telescope, download images from a large image archive, and and analyze them with
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 HOT Math  Pauline Vos
Handson tasks in the mathematics classroom, a resource site for teachers of students around 14 years of age. Among the topics are angles, symmetry, scale drawing, balance algebra, tables, combinations, statistics, probability, reasoning, finding rules
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 How Big?  Marsquest Online
Want some perspective on the sizes of things on the Red Planet? MarsQuest Online has developed interactive JavaScript for positioning familiar objects onto images taken by the Mars Global Surveyor spacecraft. The Links & Resources page features activities
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 How do You Stack Up? Revisited (SMILE)  Robert Foote, Walt Disney Magnet School
A lesson designed to teach students to estimate the number of pennies, nickels, dimes and quarters in plastic bags; build stacks of each type of coin; find the thickness of a penny, nickel, dime and quarter after measuring their stacks; measure to the
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 How Far Is It?  Bali Online
This service uses data from the U.S. Census and a supplementary list of cities around the world to find the latitude and longitude of two places, and then calculates the distance between them (as the crow flies). It also provides a map showing the two
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 How Much is a Million? (SMILE)  Sharon Simmons, Joseph Stockton Elementary School
A lesson for grades 78 designed to teach students to estimate how much a
million of something weighs. From the Recreational and Creative Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for
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 How To Measure Area (SMILE)  Levi Johnson, James Otis
A 7th grade lesson designed to help students gain an understanding of square units. 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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 Hypermedia Textbook for Elementary School Kids (MathMol)  Sheila M. Estacio
For Grades 35. Grade 3  Water (What is Water? Solid, Liquid, Gas, Water in the Air); Grade 4  Matter and Energy (What is Matter?, States of Matter, Fun Stuff with Matter, Energy, Measuring Energy); Grade 5  Atoms and Molecules (Atoms  Elements. Compounds,
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