## Geometry Problems and Puzzles

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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
A site developed to help elementary school students improve their math skills interactively, offering: educational math games (learn basic operations ... more>>
AMOF: The Amazing Mathematical Object Factory - Frank Ruskey
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 ... more>>
Elementary Problem of the Week - Math Forum
A project designed to challenge elementary students with non-routine problems and to encourage them to verbalize their solutions. From 1995 to 2002, ... more>>
Fibonacci Numbers and the Golden Section - Ron Knott
Information about the Fibonacci series, including a brief biography of Fibonacci, the numerical properties of the series, and the ways it is ... more>>
Geometry Problem of the Week - Annie Fetter, the Math Forum
The Geometry Problem of the Week (PoW) is a regular feature of the Math Forum, providing students an opportunity to answer questions and receive ... more>>
Interactive Mathematics Miscellany and Puzzles - Alexander Bogomolny
"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 ... more>>
K-12 Teaching Materials (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
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. ... more>>
Kids' Place Brain Teasers - Houghton Mifflin Company
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 ... more>>
Magic Squares: Math, History, Geography - Suzanne Alejandre
Designed primarily for middle school and older elementary school students, this Math Forum Web unit includes classroom activities for four different ... more>>
Mathematical Games and Recreations - MacTutor Math History Archives
Number games, geometrical puzzles, network problems and combinatorial problems by famous mathematicians, starting around 1850 B.C. and continuing on ... more>>
Math for Morons Like Us - ThinkQuest 1998
Students talk to students about math: a site designed to help you understand math concepts better. Tutorials, sample problems, and quizzes for ... more>>
Monthly Themes - NRICH Maths, Univ. of Cambridge
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 ... more>>
Problem Solving in Mathematics - Jim Wilson; Univ. of Georgia
Problems in algebra, geometry, conversion, cryptarithm, "mean," trigonometry, and a mixture of all, many with comments and solutions, from a course ... more>>
Tangrams - Tom Scavo
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.