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Number Fun--A Guide to Math Calculators, Conversions, Formulas, and Reference Tables--
the Fibonacci sequence (Recommended by Ms. Ward's class!)

More Optical Illusions--Will they trick you as well?

Optical illusions and their (physiological and psychological) explanations

Fun visual tricks and optical illusions There's a lot of great information on how the human eye can be tricked

Math Words: Terms and formulas from beginning algebra through calculus! An interactive dictionary with enough words, terms, formulas, diagrams, tables, and examples to satisfy your inner math geek. Search alphabetically or by content area!

BBC math games: Hypatia and Pythagoras

Did you know that Michael Jordan was a math major? This and other career information is available at the When will I use math? site sponsored by BYU and MAA

Wolfram|Alpha is the first step in an ambitious, long-term project to make all
systematic knowledge immediately computable by anyone.  Enter your question or calculation, and Wolfram|Alpha uses its built-in algorithms and a growing collection of data to compute the answer

Custom graph paper generator to make the perfect graph paper for your project. You can adjust it to work perfectly with your particular printer. You can adjust the color from black to grey to blue. If you have run out of your usual graph paper, make some of your own. The program generates a PDF file that is customized to your needs. Simply click and download it onto your desktop, and feel free to use it as often as you wish. Have fun with your assignment.

YouSendIt is a free file upload service. Here's a way to send those files that are too big to email as attachments. Send and receive files up to 100 MB.

Slow motion photography: My favorite is the movie of a water-filled balloon being pierced by an X-acto knife. The balloon falls away almost instantly - and then the water holds the balloon shape for an unbelievably long time. It's a great example of the way water molecules stick together. The golf ball is also amazing!

Federal Resources for Educational Excellence (FREE) website searchable or browse by topic

Texas Instruments downloads and links

Everything you could ever possibly want to know about US Ag production. Statistics, totals, by state, product, county, etc. (from the USDA)

Coin Stacking :This isn't the one that shows how big a stack of a million (etc.) pennies would be. Created by a civil engineering student who use pennies to create interesting stacks to form bridges, towers, and more. Glue? No way! That'd be cheating! Extraordinary!

Convert the first 10,000 digits of Pi into a musical sequence: Turn on your speakers, this is cool!

Math Mind Reader "Think Clear"

You will find a million uses for the symbols page

Dr. Larry Lesser's Mathemusician page

Internet classics!

Fiddling while your hard drive crashes (Ask Bob Rankin) Strangely beautiful track made from the sounds of dying Hitachi hard drives

Psychic (psycho?) mind reader page! Green cards for first correct explanation!

Hurricane Katrina links from D'Ilberville High School near Biloxi Mississippi. (High speed connection recommended for video) How do I know them? Long story...

Dictionaraoke  Pronunciation: 'dik-sh&-"ner-A-O-ke
Definition: Audio clips from online dictionaries sing the hits of yesterday and today. The fun of karaoke meets the word power of the dictionary.

Download free graph paper.

The Elements Song by Tom Lehrer is composed of the elements of the periodic table--a classic!

Optical Illusions page features 53 optical illusions and visual phenomena including physiological explanations. Highly recommended!

Northern Lights in Nebraska 8 Nov 2004--Amazing!

Christmas and Pascal's Triangle

Akiyoshi's Optical Illusions page

Math websites sorted by topic and grade level

Devlin's Angle Column (MAA) Includes essays on mathematical topics.

"When I become a teacher..." movie

The pencil revolution

Those resilient little birds... As we plunge into the 21st century, it is time we take a closer look at the technological wonders we create.  Here, we try to discover just a little bit more about the world around us through the miracles of science, technology, and preservatives. We hope you enjoy this educational tour as we work to characterize everybody's favorite Easter candy, the Marshmallow Peep.

Free Guide Offers Parents Tips On Helping Children Learn Math

Through the No Child Left Behind Act, President Bush has made clear his commitment to the goals of raising standards of achievement for all children and providing all children with highly qualified teachers and instruction that is based on scientific research. The U.S. Department of Education's free booklet, Helping Your Child Learn Mathematics, available in both English and Spanish, is part of the President's efforts to provide parents with the latest research and practical information that can help them both to support children's learning at home and to understand what they should expect from their children's schools.

Parents, teachers and others working with children can order a free copy of Helping Your Child Learn Mathematics by:

Calling the U.S. Department of Education's Publications Center (ED Pubs) toll-free at 1-877-4-ED-PUBS (1-877-433-7827); TTY/TDD: 1-877-576-7734; FAX: 1-301-470-1244;

Ordering online at:; or

Writing to request a copy: ED Pubs, P.O. Box 1398, Jessup, MD 20794-1398.

This publication is also available online at:

E-Library offers copyright-friendly resources for teachers and students. You can search by topic for images, activities, websites, and more.
SOS math offers free trigonometry help.
Math Work is an on-line math worksheet generator.(Free!) This web site will allow you to create printable math worksheets from your browser. (Elementary and Middle School level math) is an experiment in artificial intelligence. The program is very simple but its behavior is complex. Everything that it knows and all questions that it asks were entered by people playing this game. is a learning system; the more it is played, the smarter it gets. Play 20 questions
Braille site: This site has jokes written in Braille and students can type in their answers. They can type in their names and have it printed in Braille.
Explore radial symmetry by cutting a snowflake. You can preview, recut, and save your design.
Mind Reader Math site!  Green cards for a correct explanation of how it works.
Insultingly Stupid movie physics explains how moviemakers violate the laws of physics.  Movies are rated GP (good physics), PGP (pretty good physics), PGP13 (children under 13 might be tricked), etc.
They do the math! is an online SAT practice tests include scoring, solutions, and study hints.
Psychic Math Mind Reader:  first correct explanation earns 2 green cards!
The NRCS Photo Gallery contains natural resource and conservation related photos from across the USA. The Gallery is a joint project between NRCS Conservation Communications and the NRCS Information Technology Center in Ft. Collins, Colorado.
Snowflakes and Symmetry:  Beautiful!
M.C. Escher gallery has examples of his work, tessellations and more!
Digital Curriculum
Mrs. Friedrich's homepage
Make your own license plate (any state).
Windows Error Generator will create your own error message.
South Dakota Council of Teachers of Mathematics ( website has news, contacts, forms, and event schedules. 
Presidential Awards 2001 Click on the Awardees link, search for  2001 winners, South Dakota
RadioShack National Teacher Awards 2002 Click on the Awards Recipients link, search for South Dakota 2002!
Fear of Physics is a website with demonstrations, activities and videos involving general principles of physics.  Check out the activities involving acceleration, gravity, sound, relativity, and many more.
Anagrams rearrange letters to form new words.  Try out the internet anagram server at .
Powers of Ten explores scale and gives ideas and tools for teaching concepts of relative size.  Travel across the Universe.   Changing scale by just a few powers of ten dramatically alters your perspective.  Awesome!
The Math Dictionary for Kids is an animated interactive dictionary for students which explains over 400 common mathematical terms in simple language.
The Library of Congress has collections, services and exhibitions.  You can also access the Library's Portals to the World page directly to link to information from many nations.
The CIA World Fact Book contains everything you would ever want to know about nations of the world!
South Dakota Math Content Standards
Mudd Math Fun Facts This archive is designed as a resource for enriching your courses with mathematical Fun Facts! Use the sidebar to get a random Math Fun Fact, or search the growing archives!
This is True is a weekly syndicated newspaper column by Colorado humorist Randy Cassingham. True reports on bizarre-but-true news items from legitimate newspapers from around the world (never "tabloids"). Each story ends with commentary by Randy -- a tagline which is humorous, ironic or opinionated. An online pioneer, True has been publishing online weekly since June 1994. You too can have such true stories of human weirdness sent to you once each week by e-mail for free
The "How much is inside?" website is a hilarious science fair (?) project analyzing the contents of shaving cream cans, Doritos bags, Cheerios, Silly String, and much much more.  Check it out!
The "Joy of Pi" website will tell you everything you ever wanted to know about pi.  Check out the "pi facts and figures" link, and the 10,000 digits of pi page. 
More Pi links:
Pi and the Fibonacci Numbers
How to Calculate p to 1 million digits on a Personal Computer
The mathematics of Pi
What does your phone number spell?  Type it in, and "PhoneSpell"  will generate a list of word combinations from your number.
Montrose High School homepage
Morph your favorite celebrity with "FearThis"!
"Math with Mr. Herte"--another PI Day afficionado !
Send a Pi Day greeting card
"4Teachers" is an on-line magazine for teachers, includes links and reviews

International Talk Like a Pirate Day is September 19th!

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