Mathematical Problems - Problem Solving
Mathematical Competitions

• The 3x+1 problem and its generalizations by Jeff Lagarias
• 21st Century Problem Solving Solutions to solving word problems across the curriculum. (SureMath - hawaii.edu)
• Abiator's Active Classroom: Maths Problem Solving Index
• Algebra Story and Word Problems A collection of simple algebra word problems (SureMath: 21st Century Problem Solving)
• Algebrator - an Algebra Problem Solver for Students and Teachers
• American Mathematics Competitions: Math Problems Directory
• Art of Problem Solving
• Bilkent University - MATH PROBLEM OF THE MONTH
• The Cereal Box Problem by George Reese
• A Collection of Math-Olympiad-Problems by Hans Vernaeve
• Competitions Canadian Mathematical Society (CMS)
• The Contest Center - Puzzles & Prizes by Frank Rubin
• Countries with Mathematical Olympiad Websites - Links to Mathematical Olympiad Websites.
• CRUX Mathematicorium Online The Digital Supplement to the Canadian Mathematical Society's Problem Solving Journal
• Ken Duisenberg's Puzzle of the Week
• Electronic Examples National Council of Teachers of Mathematics
• Fermat's Last Theorem
• The Mathematical Problems of David Hilbert by David E. Joyce
• International Mathematical Olympiad / Olympiade internationale
  • International Mathematics Olympiad (IMO) Eindhoven University of Technology
  • Mathematic Olympiad Problems from around the world by Mohammad Katoozian
  • IMO Problems by John Scholes
  • 39th International Mathematical Olympiad in Taipei
  • 47th International Mathematical Olympiad, Slovenia 2006
  • IMO 2001 - International Mathematical Olympiad - Washington, DC USA
  • Mathematics Olympiad Lecture Notes
• International Mathematical Talent Search Coordinator: Dr. George Berzsenyi
• The Journal of Modern Problem Solving University of Hawai'i Information Technology Services (ITS)
• Kalva homepage - Maths problems by John Scholes
• Nick's Mathematical Puzzles by Nick Hobson
• The Math Forum: Problem-Solving
  • The Goal Angle Problem
  • Elementary Problem of the Week by Ruth Carver
  • Famous Problems in the History of Mathematics by Isaac Reed
  • K-12 Math Problems, Puzzles, Tips & Tricks
  • Macalester College Problems of the Week Hosted by The Math Forum
  • MathMagic
  • Problems of the Week
• Math Problem Directory by Kiran S. Kedlaya
• MATHCOUNTS > Archives > Problem of the Week Archive
• Mathematical Problem Solving by Harold Shapiro
• The Mathematical Problems of David Hilbert by David E. Joyce
• Mathematical Problems of Torsten Sillke
• Mathematical Snippets (Bellevue Community College)
• The Mathematics of Fermat's Last Theorem  by Charles Daney
• Mathematics Problems -- from Eric Weisstein's Encyclopedia of Scientific Books
• Mathematics Problems and Warm-ups Collected by Lori Thomson
• Mathematics Problem Solving Task Centres (PSTC)
• Mathematics Through Problem Solving by Margaret Taplin Institute of Sathya Sai Education, Hong Kong
• MathMania by Wanja A. Hemmerich
• MathsChallenge.net
• Millennium Prize Problems Clay Mathematics Institute
• Eva Meschel's EMT 725/600 Page of Number Theory Problems
• Niels Henrik Abels matematikkonkurranse - The Norwegian Mathematical Olympiad
• The Online Math Tests Home Page by Professor Elias Saab
  • The MathDrills Homepage
• Open-Ended Math Problems
• Open Problems in Combinatorics
• Past Open Problems Columns - Douglas B. West From the SIAM Activity Group Newsletter in Discrete Mathematics
• The Practical Algebra Tutor (PAT)
• Problem Solving with Heron's Formula
• Problem Solving Strategies MATHCOUNTS
• Problem of the Week - UCF Ole Miss CASIO CONTEST PAGE University of Central Florida
• EMAT 4600/6600 Problem Solving in Mathematics. - Jim Wilson (University of Georgia)
• Problem of the Week - Bradley University
• Purdue University - Problem of the Week
• problemcorner.org   an online searchable collection of over 20,000 math problems
• Putnam Directory William Lowell Putnam Mathematics Competition Directory
• Questions I'd like to see answered (Arnold Neumaier)
• Reducing a set by subtracting squares by Dean Hickerson and Michael Kleber
• South African Mathematics Olympiad
• SPSU Math Stinger
• Understanding Mathematical Induction Algorithms: A Help Site
• Unsolved Problems -- from MathWorld
• Unsolved Problems by S.C. Locke
• Unsolved Problems and Rewards by Clark Kimberling
• Webmath.com - Solve your math problem
• Weekly Math Contests by Dr. David Rock
• Vlaamse Wiskunde Olympiade
• Word Problems For Kids