- Counting Cards - Chris Taylor
A teaching aid that uses simple graphic designs on cards to represent different place values and numbers, from 1 up to one million, for teaching addition, subtraction, multiplication, division, and place value concepts. The site offers a teachers guide,
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- A Creative Encounter of the Numerical Kind: A Webquest for Middle Grades Math Students - Alice Gabbard
Students create their own numerals and base four number system for an alien civilization. This web quest features background and evaluation materials, links to state and national standards, and tips for teachers.
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- A Different Kind of Multiplication - David P. Stern
Roman numerals were an improvement on older notation and useful for the abacus, but seemingly impractical for multiplication. Yet a multiplication method was developed, and is described here. The Romans did not understand why it worked, but we now realize
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- emGames - Wright Group/McGraw-Hill
Twelve Shockwave games aligned to the Everyday Math curriculum for the early grades. Game topics include the basic operations (including angle addition), place value, money, estimation, factoring, and choosing the larger of two numbers. Many games involve
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- Enchanted Learning - Jeananda Col, Mitchell Spector
Enchanted Learning produces children's educational material designed to maximize creativity, learning, and enjoyment. The site is user-supported with site members receiving the benefit of a version free of banner ads. In the math area of the site are
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- The Geometry Pages - Cathi Sanders
Illustrated essays designed to intrigue and inspire you to learn more about geometry and its many applications in art, engineering, science, and more. Includes the following topics: Lines (History, Elements of Geometry, Polygons, Tessellations); Numbers
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- Math Applets - Jake Enfield
Java applets for basic math, decimals, integers, fractions, geometry, and graphing. The author especially recommends 'Speed Multiplying', 'Finding Hurkle', and 'Graphing Linear Equations'.
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- Math Fundamentals - Vinay Agarwala
Lessons with diagnostic tests and problem sets, and books by the author, all designed to encourage conceptual understanding of math fundamentals. Lesson topics include numbers and place values, addition and multiplication, subtraction and shortage, division
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- Math Made Simple: Math Help Videos
A series of class length, topic specific video math lessons. CDs and instant downloads are available to help those who have had trouble with a concept or who need to review a topic to prepare for an exam. Covers high school level basic math, algebra,
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- Maths Games and Resources - Adrian Bruce
Adrian Bruce, an Australian teacher, offers a variety of resources that he has developed to use with his students. The math resources are organized under these topics: Symmetry; Facts to 10; Multiplication Jump; Multiplication Bingo; 3d Shapes; Decimals;
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- Mr. Myers' Classroom - Nathan Myers
Read the puzzle of the week and then submit your answers online. Other "brain busters" include matrix logic puzzles, featuring ready-made charts. Explore and identify fraction bars with JavaScript, or geometry with Java applets. Also, fact sheets and
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- Mucho Math - Jake Enfield
Flash program for students to learn math vocabulary and mental math tricks through best practice teaching methods (discovery learning, scaffolding, spiraling, and customized learning). Teachers can create an account and add one student for free to try
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- NOVA Teachers: Featured Teacher - PBS
Teachers' featured stories of a lesson plan using one of the NOVA films. Lesson titles include: Students Inclined to Study Galileo, Exploring Research Bias, Placing Value on Maya Math, Teaching with Trebuchets, Bridges Form Foundation for Geometry Unit,
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- The Number Gym - Melvyn Rust, Number Gym Software
Free, interactive, Shockwave Flash numeracy software. These activities are particularly suitable for use with Interactive Whiteboards. There is a full version for sale, as well. Currently this software comprises: 1. Number line activites; 2. Number Grid
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- Place Value: K-3 - Andra McLeod
A "box full" of place value manipulatives for the classroom, with descripion, lesson ideas, and objectives listed for each of five types of manipulative.
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- Place Value - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about place value, such as how to write a decimal from words such as hundreds and hundredths.
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- Quizville -- The Capital of Learning - Augie Opfell et al.
Shockwave math games on skip counting, times tables, division tables, addition tables, subtraction tables, scrambled operations, "combomatic" (addition and subtraction, or multiplication and division), addition triangles, multiplication triangles, number
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- Rounding Numbers - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about rounding whole numbers. decimals, and fractions.
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- Scientific Notation - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about scientific notation, using it to write very large or very small numbers, and adding, multiplying, and dividing with the notation.
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- Significant Figures/Digits - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about scientific figures and scientific digits, such as "When are zeros significant and when are they not significant?"
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- Soroban in Various Number Systems - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A Java simulation of Soroban--the Japanese analogue of the traditional abacus and the Chinese Suan Pan. This is the most economical tool of the three.
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- Suan Pan in Various Number Systems - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A Java simulation of the Chinese Soroban--a far eastern analogue of the traditional abacus. By splitting the field into two parts--the earth and the heaven--Soroban cleverly reduces the number of items that represent a single digit. The simulation enforces
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