 Evil Mad Science  Evil Mad Science LLC
Producers of doityourself (DIY) and opensource hardware designs in support of art, education, and accessibility. See, in particular, the d20 and d12 Handbags of Holding Kits (zippered bags in the shape of dodecahedra and icosahedra) and the kit for
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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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 Exploring Data  Math Forum/USI
Pages for finding and displaying data sets, designed to support workshops on statistics given by the Math Forum for the Urban Systemic Initiative in Philadephia and San Diego. Included are: links by level to relevant statistics Standards (NCTM, California,
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 Exploring Geometric Solids and Their Properties (iMath Investigations)  Illuminations; National Council of Teachers of Mathematics (NCTM)
An online, interactive, multimedia math investigation. Investigating and then reasoning about the relationships within and between threedimensional shapes is important for students in grades 35 as they continue to develop understanding about geometry
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 Fair Shares (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
The birthday party is over, and one chunk of thickly frosted, richly decorated cake is uneaten. Your mother insists that you and your sister slice the cake into two equal pieces, so that she doesn't have to listen to you fight over which is bigger. What
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 Farmer and Wife to Catch Rooster and Hen: Sam Loyd's Puzzle  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
An entertaining Java implementation of a puzzle by Sam Loyd. A farmer and his wife try to catch a hen and a rooster. A good exercise in taxicab geometry.
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 Federal Resources for Educational Excellence (FREE)
A site for finding federallysupported educational resources. There are subject listings (including Mathematics) and a search engine, favorite sites (reviewed by users), more sites for students, comments and feedback forms, and the opportunity to be a
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 FermiEffect.com  Alice Caton
Links to biographies of Enrico Fermi and his granddaughters, computers and chaos theory, Fermi questions, and the Fermi paradox.
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 Fickled Fractions (SMILE)  Elizabeth Chambers, Keller Gifted Magnet Center
A lesson designed to review the ways in which fractions are made real in our world; to show the relation of cross multiplication and equivalent fractions; and to reinforce fraction skills. From the Arithmetic section of a collection of almost 200 single
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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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 Financial Education  EverFi
Makers of interactive financial literacy learning and gaming platforms such as Vault, Everfi, and Buttonwood.
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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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 FirstGov for Kids  Federal Citizen Information Center, U.S. General Services Administration
Links to Federal kids' sites, along with some of the best kids' sites from other organizations, all grouped by subjects such as money, space, geography, and fun stuff. The page of science and math links to government sites about rockets, weather, the
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 The Fizz & Martina Math Series (Grades 16)  Tom Snyder Software
Each of the 4 titles of Fizz & Martina Math teaches students the process of "talking math." There are cooperative learning activities, student materials, and followup activities. Students work in teams to solve the problems, sifting through numbers
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 Flash Cards for Kids  Donovan Follette
Currently, Flash Cards (shareware for Windows) supports addition, subtraction, and multiplication. The addition facts are enabled in the download file. The subtraction and multiplication facts can be enabled with a registration fee of $12.00. (Washington
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 Flash Games  ATK Solutions, Inc.
Flash applets and games include rotating 3d cube; mind boggle square, which challenges you to slide a square across a surface by sliding other quadrilaterals into the unoccupied spaces; Futoshiki, which involves positioning counting numbers on a grid
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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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 Food Counts (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
You tear open a package of M&M's chocolate candies. Fiftyseven little candies spill out. You notice that certain colors are more common than others. You might count 7 brown, 17 red, 18 yellow, 6 green, 5 orange, and 4 blue candies in this bag. Does
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 Foundation for Advancements in Science and Education
Since its inception, the mission of this independent nonprofit public charity has "evolved continuously, encompassing challenging new issues and exploring innovative applications of information technology." In particular, FASE sells The Eddie Files,
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 Four Corners, Four Faces (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
To Arthur Silverman, a sculptor in New Orleans, tetrahedrons, or triangular pyramids, are very special. He's been creating sculptures based on the tetrahedron for more than 20 years. You might see examples on display in plazas and office buildings in
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 The Four Seasons  KRT  Kentucky Connect
Pages on Understanding Equinox and Solstice, and The Changing Seasons.
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 Fractals  Cynthia Lanius
This lesson plan for exploring fractals is designed so 4th through 8th grade students can work independently and be assessed innovatively. It conforms to the 1989 NCTM standards, and provides links to other fractal sites. Contents: Why study fractals?
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 Fraction Help  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How do I help students learn about fractions?
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 Fraction Message (SMILE)  Charles Harper, Goldblatt Elementary School
A lesson designed to teach students to find pictorial representations of fractions and to decode messages. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
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 Fractions, Simplifying Parts of Shapes: 1/2, 1/3, 1/4 (SMILE)  Sarah Austin, Mary Bethune School
A lesson designed to teach students that parts are equal to their counterparts; that combined parts equal a whole; that any shape can be divided equally into parts; and to draw shapes, separate them into equal parts and write them in fractional form.
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 Franklin's Mathematics  Paul C. Pasles, Villanova University
From the author of Benjamin Franklin's Numbers: articles on the founding father's "littleknown role as a mathematician," and examples of Franklin's magic squares and magic circle.
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 Free Math Education Online Tutorials  Kirti Sharma
Free math primers, lessons, and practice problems  with mouseover and clickable solutions  on adding and subtracting algebraic expressions, properties of operations, the absolute value function, the number system, solving quadratic equations, intercept
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 freemathtexts.org  Alain Schremmer
Original texts that emphasize a very few but very powerful ideas; appeal to common sense and make no assumption of any kind about the students; and focus on helping readers convince themselves about mathematics. Written for use in developmental mathematics
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 Free Online Unit Converter
Convert quantities of mass, area, angle, length, volume, pressure, temperature, and data storage by selecting the unit of measures from pulldown menus. This utility from PDFConverter.com also adjusts the current time according to time zones.
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 Gadgets  Jan Gombert
Gombert's five "gadgets" provide simple challenges that combine addition, multiplication, and two or threedimensional geometry. Balancing Act shows three values on a beam to balance by addition. Make a given perimeter or area by resizing the figure
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 The Galileoscope™  International Year of Astronomy
Highquality, lowcost, easytoassemble telescope kits developed for the International Year of Astronomy (2009) in celebration of "... the celestial wonders that Galileo Galilei first glimpsed 400 years ago and that still delight stargazers today. These
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 Game Cafe (GirlTech)  Radica Games, Ltd.
Games for kids to print out and play offline. Amazing Math Path explores the world through numbers: Letter Logic (find a path to link the letters); Sum it Up (how much does your name cost?); A Colorful Survey (compare your color preferences to those of
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 Games for the Brain  Philipp Lenssen
Race the "IQ Score" clock while playing JavaScript brain teasers such as NumberCruncher (perform arithmetic calculations following order of operations) and Marsmoney (calculate the values of different currencies). The site also features several memory,
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 Games Using Multiplication (SMILE)  Amaechi Onyeali, Carter Elementary School
A lesson for the elementary grades in which students play two games to reinforce their multiplication facts and their addition skills. From the Recreational and Creative Math section of a collection of almost 200 single concept lessons by the Science
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 Geocadabra  Ton Lecluse
Download a demo or purchase this dynamic geometry software, which draws solid geometry, plane geometry, functions and curves, 1point perspective, 2point perspective, 3point perspective, and more. Also available in Dutch.
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 GeoGebra Central  Guillermo Bautista
A collection of GeoGebra applets dating back to August, 2010: "Systems of Linear Equations," "The Angle Trisector," "Approximating Pi," "Area of a Trapezoid," "Four Leaf Petal," "Polygons with Equal Area," "Tracing the Derivative," "Paper Folding: Locating
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 GeoLeg  Peg Cannon
A quantitative geometry manipulative for grades 4  12. Associated lessons and tips for teachers offer ideas on visual and spatial learning for measurement and geometry.
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 The Geometer's Sketchpad Resource Center  Key Curriculum Press
Search collection of Sketchpad Classroom Activities for download or purchase, browse the Advanced Sketch Gallery, access Technical Support, explore some online JavaSketches created with Sketchpad, and find links to others' sketches and related resources.
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 Geometry Bridge  Joe Bender
Build bridges that allow the school buses or trucks to safely cross the river in these animated Shockwave Flash tutorials, which teach and exercise skills such as identifying types of angles and triangles, and calculating angles in a triangle and sidelengths
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 Geometry Park: Songs for Teaching Children  Illumisware
Collection of children's songs using contemporary rhythms and sounds to introduce topics in math, science, grammar, and geography. American or Canadian versions each come with teachers' guide and karaoke version.
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 Gepeto Software  Joe Tompkins
MathMaker:Skills and MathMaker:Fractions  programs to purchase for creating instant worksheets, tests, and math games.
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 Glitter Trap (MatheMUSEments!)  Ivars Peterson (Math Muse for Kids)
You've probably looked at your distorted reflection in a shiny holiday ornament, but you may be surprised to learn what the reflections in a pyramid of silvery balls are like. The behavior of light in a stack of mirrored balls can help mathematicians
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 Global Sun Temperature Project  Stevens Institute of Technology, CIESE
An Internetbased multidisciplinary project (10 March  13 June 2003) that allows students to collaborate with other students and with experts online in determining how their locations affect their average daily temperature and hours of sunlight. Students
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 GO Solve Word Problems: Using graphic organizers to understand and solve word problems  Tom Snyder Productions
This software program teaches students to recognize mathematical situations in word problems, comprehend problems with the aid of graphic organizers, and plan solutions with addition, subtraction, multiplication, and division. The program has instruction
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 Graphing Speed (SMILE)  Yolanda Smith, Douglass Math and Science Academy
A lesson for grades 35 designed to teach students to graph information (a running exercise); identify the horizontal axis and vertical axis; and compile information to make a graph. From the Graphs and Visuals section of a collection of almost 200 single
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 The Great Probability Challenge  Daniela Cupples
In this handson probability and statistics learning experience, students perform a coin toss experiment, then predict, analyze, and present their experimental findings with visual graphing representations. Throughout the 20102011 school year, students
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 Handson Computer Activities For Teaching Math: Grades 38  Beverly Burnley
Purchase or request an evaluation copy (if you're an educator) of this book. Publisher's description: "Featuring more than 100 stepbystep activities that use common computer programs, such as Microsoft Word and Paint, to model concepts in five basic
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 HappyMath Multiplication Kit  ReinhardBernard Enterprises
Memorizing multiplication facts is made easy and fun for children by combining pictures, rhymes, rhythms, stories, and color. Sample the sound on the Web, or purchase the kit, which includes an instruction manual, audio tape, multiplication cards, matching
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 Having Fun working With Fractions (SMILE)  Brian Cagle, John W. Cook School
A lesson for elementary students designed to model addition and subtraction by shading parts of regions; divide a word into appropriate fractional parts; pay attention to details in instruction relating to "first," " last," "second," etc.; analyze clues
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 HelpingWithMath.com  David Burns, HelpingWithMath.com
Worksheets, printable tables and charts, and online tools. Browse by subject or grade.
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