- 0! = 1 - Math Forum, Ask Dr. Math FAQ
Why does 0! = 1 ?
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- '05 Annual Performance Review: Albert Einstein - Peter Norvig
This parody of human resources formalities imagines how Albert Einstein's supervisor at the Bern Patent Office might evaluate his on-the-job performance. "This is a patent office, Albert.... Where does it say that your priorities are rewriting the rules
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- 0.9999 = 1 - Math Forum, Ask Dr. Math FAQ
Why does 0.9999... = 1 ? An answer adapted from the sci.math FAQ.
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- 0! - Jim Loy
An explanation of factorials, which "get large, fairly fast. They are very important in probability and calculus."
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- 0 to 0 power - Math Forum, Ask Dr. Math FAQ
According to some Calculus textbooks, 0^0 is an "indeterminate form"; in some cases we think about it as having one value, and in other cases as having another...
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- $1000 High School Calculus Student Award (Math Chat) - Frank Morgan, MAA Online
Solution to the challenge: Justin Smith calls 5939 a "right" prime because it remains prime after dropping any number of digits from the right: 5939, 593, 59, and 5 are all prime. How many right primes are there less than 1000? Is there a largest right
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- $1000 Math Chat Book Quest (Math Chat) - Frank Morgan, MAA Online
Solution to the challenge: On a beach in Oregon, at a certain moment, the very last bit of the Sun disappears below the horizon. The question is: Can I make that last bit of Sun reappear by jumping up quickly to my full height, or perhaps by very quickly
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- 100 Percent! - Energy Conservation Enhancement Project
What is Infiltration? Math objectives: 1. Define the term "percent." 2. Solve problems using percentages. Energy objectives: 1. Define infiltration. 2. Describe the major areas of infiltration in the home. An activity guide from the Energy Conservation
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- 100s and 1000s - Horsham Primary School; WimmeraNet
An Internet project from Horsham, Victoria, Australia. Activities about 100s and 1000s, a Wimmera Global Classroom project coordinated by Ian Clough at Horsham 298 to recognize the beginning and end of a century and a millennium. Contributions are added
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- 101 Uses for the Quadratic Equation - Chris Budd, Chris Sangwin
Article on the value of the quadratic equation, in response to critics calling it a torture inflicted on schoolchildren.
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- 10 Lessons in Fractals, Complex Patterns, and Chaos - Jon Lee; Math Forum Teacher Exchange
From the Wright-Connection 8-week summer program, in which Dayton, Ohio, middle and high school math and science teachers participated in the real-world applications of math and science at Wright-Patterson Air Force Base. The lessons, which emphasize
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- 10th Grade Math Assignments - Richard Briston
A math teacher designs Web pages to serve as monthly math assignments, and as an introduction to the Internet and e-mail for his students at St.Mildred's-Lightbourn School in Oakville, Ontario, Canada. Student solutions are included for some assignments.
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- 10ticks.co.uk - Fisher Educational Ltd
Games, puzzles, and help aimed at the National Numeracy Strategy of the United Kingdom. National Curriculum Compliant maths worksheets for teachers. Registration required.
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- 11.1UB2: Computer Aided Learning in Mathematics (CALMWeb) - Department of Mathematics, Heriot-Watt University, Edinburgh
The CALMWeb Home Page for the 11.1UB2 module. The primary aim of the module is to provide an introduction to several basic topics in algebra and calculus with a view (along with other linked modules) to giving a sound foundation in mathematical methods.
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- 125 Questions: What Don't We Know? - Science Magazine
Science celebrated its 125th anniversary with a look forward at the most compelling puzzles and questions facing scientists today. Accompanied by reader's forums and other online extras, this free news feature explores 125 big questions that face scientific
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- 12 coins problem - Frans Faase
A classic math puzzle: given a balance scale and 12 coins, one of which is counterfeit and weighs less or more than the other coins, determine the counterfeit in 3 weightings, and tell if it is heavier or lighter. Extensions to other cases and the general
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- The 14 Different Types of Convex Pentagons that Tile the Plane - Ed Pegg, Jr.
Diagrams of the 14 types, sources, and links to related pages on the Web.
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- The 15 Most Famous Transcendental Numbers - Cliff Pickover
Numbers like e = 2.718..., pi = 3.1415..., and 2^(sqrt 3) are transcendental. These numbers are not the solutions of polynomial expressions having rational coefficients. The digits of pi and e never end, nor has anyone detected an orderly pattern in their
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- 1996 Puzzle - Ruth Carver, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Using the digits in 1996 and any operations, try to write equations that have the numbers from 0 to 100 as the answer. The answer for each number and the name of the first person to
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- 1997 Puzzle - Ruth Carver, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Using the digits in 1997 and any operations, try to write equations that have the numbers from 0 to 100 as the answer. The answer for each number and the name of the first person to
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- 1998 Puzzle - Judy Brown, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 1998 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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- 1999 Laptop Learning Challenge (LLC) - Toshiba/NSTA
This challenge rewarded 20 K–12 educators for their innovative uses of laptop computers. The 20 selected lessons may be browsed by subject (abstracts and downloadable PDF files are provided); they have science, mathematics, and technology components and
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- 1999 Puzzle - Judy Brown, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 1999 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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- 2000 Puzzle - Judy Brown, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 2000 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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- 2001 Puzzle - Judy Brown, Math Forum
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 2001 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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- 2002 Olympic Education
Educational activities designed to take advantage of the excitement and momentum of the Olympic and Paralympic Games in Utah. Look for math lessons in the Curriculum and Sports sections, and data for generating lessons in the Continents, Countries, Venues,
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- 2002 Puzzle - Judy Brown
For students in grades 3-12 with a general knowledge of mathematics. Use the
digits in the year 2002 and the operations +, -, x, ÷, sqrt (square root), ^
(raise to a power), and ! (factorial), along with grouping symbols, to write
expressions for
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- 2003 Puzzle - Judy Brown
For students in grades 3-12 with a general knowledge of mathematics. Use the
digits in the year 2003 and the operations +, -, x, ÷, sqrt (square root), ^
(raise to a power), and ! (factorial), along with grouping symbols, to write
expressions for
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- 2004 Mathematics Puzzle - Judy Ann Brown
For students in grades 3-12 with a general knowledge of mathematics. Use the
digits in the year 2004 and the operations +, -, x, ÷, sqrt (square root), ^
(raise to a power), and ! (factorial), along with grouping symbols, to write
expressions for
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- 2005 Mathematics Puzzle - Judy Ann Brown
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 2005 and the operations +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for the
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- 2006 Mathematics Puzzle - Judy Ann Brown
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 2006 and the operations +, -, x, ÷, ^ (raised to a power), sqrt (square root), and ! (factorial), along with grouping symbols, to write expressions for the
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- 2007 Mathematics Puzzle - Judy Ann Brown
For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 2007 and the operations +, -, x, ÷, ^ (raised to a power), sqrt (square root), and ! (factorial), along with grouping symbols, to write expressions for the
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- $200 Double Bubble New Challenge (Math Chat) - Frank Morgan, MAA Online
Challenge: This open problem appears as Conjecture 4.10 in "Component bounds for area-minimizing double bubbles," by Cory Heilmann, Yvonne Lai, Ben Reichardt, and Anita Spielman (NSF "SMALL" undergraduate research Geometry Group report, Williams College,
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- 21 Game (CEC) - Dan Beaubien, Klamath Falls, Oregon
Be the first player to say 21. An activity/game for grades 2-6) that teaches the math concepts of sets, division of threes, and addition and thinking skills. From the Columbia Education Center collection of math mini-lessons.
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- 21st Century Problem Solving - Howard C. McAllister
Examples of problems solved using reliable problem solving methods; discussion of the principles of reliable problem solving; a FAQ; and an evolving encyclopedia of solved problems in mathematics, physics, and chemistry. The main focus is on pre-college
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- 21st Century Teachers Network (21CT) - The McGuffey Project
A joint undertaking by several leading education organizations to encourage, recognize, and support educators who are developing skills in new technologies and using them in innovative ways with students and colleagues. This initiative is in support of
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- 22nd Annual AMATYC Conference (Mathematics Archives) - John St. Clair, Editor
Presentations and contributed papers on mathematics education, improving quantitative literacy, multimedia in the classroom, real-world activities and applications, and more, from the proceedings of the Twenty-Second Conference of the American Mathematical
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- The 24 Game - Suntex International Inc.
A site showing all the editions, challenge rules, tips, hints, and more about the 24 Game. Designed for all ages, play proceeds by creating the number 24 from the four numbers on a game card using addition, subtraction, multiplication, or division. Watch
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- 30 Days of Problems for 30 Years of High School Math Competitions - Anne Arundel Community College
Thirty problems and their answers from high school math competitions held at Anne Arundel Community College during the past 30 years.
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- 30 Second Challenge: The Fun Way to Learn Mathematics - Norman D. Lock
e-Books (PDF format) that provide an entertaining approach to developing mental arithmetic skills.
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- 39 ERIC Citations for Block Scheduling - Catholic University of America
These citations are divided into the following categories: Research Reports for Block Scheduling; Identifiers (ERIC controlled vocabulary term); Title Phrase; Free Text Phrase; and Copernican Plan. Directions for ordering ERIC journals and documents cited
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- 3-D and SIRDS images - Jonathan Bowen
An archive of single image random dot stereo (SIRDS) and other 3-D images, together with related information and software. It is available via anonymous FTP. Plain text information on frequently asked questions concerning SIRDS, an index and a README
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- 3DCalculator - Andre Bullitt Software
Download a demo (Windows 95), see a short video, or purchase for U.S. $10.00 online.
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- 3-D Drawing and Geometry - Cathi Sanders
A Math Forum Summer 1998 Institute project that uses examples of paintings, architecture, etc. to analyze different types of 3-D drawings, and teaches students how to create them. Careers in 3-D drawing that use these techniques, from architecture to
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- 3D-Mathematikprogramm - Ingenieurbüro Riescher
German shareware program for Windows: MATHPROF ist ein einfach bedienbares Mathematikprogramm mit graphischen 2D- und 3D-Darstellungen, für Schüler, Studenten und Lehrer. Auch lassen sich einfache Konstruktionen im 2D- und 3D-Bereich erstellen und analysieren.
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- 3D Nauta
A three-dimensional spatial, topological problem/game with Web interfaces in Spanish, French, and English. Of two versions of the game, one is accessible
to most people, while the other can be made difficult exponentially. You are invited to order your
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- 3-D Soma Cube Online - Manfred Maass
Turn, shift, manipulate, and zoom in and out of the pieces of the 3x3x3 cube, invented by Piet Hein. Requires Shockwave.
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- 3-D Stars - Free Instructions - James E. Garner
Free instructions for making 3-D paper stars, using basket weave technique.
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- 3D-XplorMath - Richard Palais
3D-XplorMath creates visualizations of mathematical objects and processes. This tool has built-in algorithms for displaying mathematical objects such as plane curves, space curves, surfaces, conformal maps, polyhedra, ordinary and partial differential
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- 4000 Years of Women in Science - University of Alabama
Over 125 women scientists from our scientific and technical past, with biographies, references, and photographs. For Mathematicians, see Listing by Discipline.
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