Math by Subject
K12 Topics
 algebra
arithmetic
calculus
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geometry
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Advanced Topics
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 Problems and Puzzles - Geometry
This list contains some of the best geometry problem and puzzle
sites. For a more exhaustive list, or to find materials that fit your
specific needs, search or browse Geometry or Problems
and Puzzles in the Forum's Internet Mathematics Library.
 A+ Math
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A site developed to help elementary school students improve their math skills interactively, offering: educational math games (learn basic operations
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- AMOF: The Amazing Mathematical Object Factory
- Frank Ruskey
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Combinatorial objects are everywhere. How many ways are there to make change for $1 using unlimited numbers of coins of all denominations? Each way is
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- Elementary Problem of the Week
- Math Forum
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A project designed to challenge elementary students with non-routine problems and to encourage them to verbalize their solutions. From 1995 to 2002,
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- Fibonacci Numbers and the Golden Section
- Ron Knott
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Information about the Fibonacci series, including a brief biography of Fibonacci, the numerical properties of the series, and the ways it is
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- Geometry Problem of the Week
- Annie Fetter, the Math Forum
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The Geometry Problem of the Week (PoW) is a regular feature of the Math Forum, providing students an opportunity to answer questions and receive
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- Interactive Mathematics Miscellany and Puzzles
- Alexander Bogomolny
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"The peculiar beauty of Mathematics lies in deduction, in the dependency of one fact upon another. The less expected a dependency is, the simpler the
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- K-12 Teaching Materials (Mathematics Archives)
- University of Tennessee, Knoxville (UTK)
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An extensive list of Internet sites with significant collections of materials that can be used in the teaching of mathematics at the K-12 level.
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- Kids' Place Brain Teasers
- Houghton Mifflin Company
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Math puzzles for grades 3-4, 5-6, and 7+. You don't need to be a math whiz to solve them, just to be patient and find different ways of looking at
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- Magic Squares: Math, History, Geography
- Suzanne Alejandre
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Designed primarily for middle school and older elementary school students, this Math Forum Web unit includes classroom activities for four different
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- Mathematical Games and Recreations
- MacTutor Math History Archives
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Number games, geometrical puzzles, network problems and combinatorial problems by famous mathematicians, starting around 1850 B.C. and continuing on
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- Math for Morons Like Us
- ThinkQuest 1998
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Students talk to students about math: a site designed to help you understand math concepts better. Tutorials, sample problems, and quizzes for
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- Monthly Themes
- NRICH Maths, Univ. of Cambridge
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Past problems from the NRICH Online Maths Club, archived by month. Each problem has a symbol indicating the stage, which tells you how little or how
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- Problem Solving in Mathematics
- Jim Wilson; Univ. of Georgia
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Problems in algebra, geometry, conversion, cryptarithm, "mean," trigonometry, and a mixture of all, many with comments and solutions, from a course
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- Tangrams
- Tom Scavo
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Tangrams, a puzzle that helps develop spatial-visualization skills, may also be used to introduce or reinforce geometric concepts such as congruence,
... more>>
- For more, search or browse Geometry or Problems
and Puzzles in the Forum's Internet Mathematics Library.
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Geometry
Problems and Puzzles
The Math Forum is a research and educational enterprise of the Drexel University School of Education.