AIMSSEC PUZZLES at http://www.aims.ac.za/aimssec/puzzles.php
New problems are posted each month. Solutions are invited from individual school students or groups in South Africa.
Weekly brain teasers provided by Houghton Mifflin for students in grades 4 8.
FAMILY MATH CHALLENGES
GET SMARTER at http://www.getsmarter.org
This website uses TIMSS-like items to challenge those who need to refine their skills in mathematics and science at both the middle and high school levels. Also has educational games, links, Math. & Sci. television and other resources.
KANGAROO MATHS COMPETITION
A Dutch Math Competition written by students in many European countries. A main aim is the popularisation of mathematics. Questions and answers available in English.
KIDSCOUNT- Problem of the Month at http://www.kidskount.nl
MASTERWEB at http://imagiware.com/masterweb/
An on-line version of the game Mastermind.
MATHS CHALLENGE at http://www.mathschallenge.net/
Puzzle yourself and others at this site full of mathematical problems, challenges, conundrums, and connections for Grades 6-12. The archives of previous months' problems are searchable under the general headings of Discrete, Geometry, Number, and Code Breaking.
MATHCOUNTS at http://mathcounts.org/
MathCounts is a seventh and eighth grade mathematics competition, and this site includes information about the competition, a popular Problem of the Week, and a link to other websites that feature mathematics activities, games, competitions, and teacher resources.
MATH MAGIC at http://forum.swarthmore.edu/mathmagic/
Challenges in math for different grade levels.
MATH PROBLEM SOLVING TASK CENTRES at http://www.srl.rmit.edu.au/mav/PSTC/index.html
Offers monthly mathematics problems for students in grades 412
MATH PUZZLES at http://www.mathpuzzle.com
PI QUIZ at http://eveander.com/trivia
is a multiple choice quiz regarding interesting facts about the number pi and its relationship to the circle and other areas of mathematics and its history.
PROBLEM OF THE WEEK at http://forum.swarthmore.edu/pow/
This site provides ideas for a Problem of the Week for classroom teachers at all grade levels. It is updated each week.
REAL WORLD MATH COMPETITION (Alympiade)
This competition in Dutch and English is a mathematical modelling competition for High School students in teams of 3 or 4. The teams work on a real world problem - a
very open-ended situation in which mathematical problem solving and higher
order thinking skills must be used.
SOUTH AFRICAN MATHEMATICS OLYMPIAD (SAMO) at http://science.up.ac.za/samo
The premier mathematics competition in South Africa and neighbouring countries and consists of a Junior (Grades 8-9) and Senior (Grades 10-12) Competition.
SPHINX at http://stud1.tuwien.ac.at/~e9226344/Themes/Puzzles/sphinx.html
This site offers a variety of logic/math puzzles that are sorted by category and level of difficulty for Grades 812.
21ST CENTURY PROBLEM SOLVING at http://www2.hawaii.edu/suremath/home.shtml
This site promotes problem-solving skills through algebra, chemistry, and physics.
WORLD CLASS ARENA at http://www.worldclassarena.org
Look at New Angles for innovative teaching and assessment materials to use with gifted and talented students in mathematics.