This section includes site containing weekly or monthly problems. Every week or month, new problems will be given out and students will have some time to work on the problem. Solutions will be posted at the end of the week or month while a new problem will come out. Problem of the Week Games and Puzzles Recreations Math Science.

- A Math Forum: Math Fundamentals Problem of the Week
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A weekly interactive project for elementary school mathematics. Forum: Math Fundamentals Problem of the Week. Past problems, solutions, and student recognition. Paid membership required to view problems. Math Forum: Math Fundamentals Problem of the Week. - Devoted Math Magic
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Devoted to original mathematical recreations with puzzles and links. Math Magic. - Posted Problem of the Month
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Posted by the Mathematics Department of Bilkent University. Problem of the Month. - Weekly Macalester College Problem of the Week
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Weekly math problem and archive from Professor Stan Wagon for first-year college students presented by the Math Forum. Macalester College Problem of the Week. - Weekly Bradley University Problem of the Week
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Weekly math problem and archive from Professor Alberto L. University Problem of the Week. Delgado. Bradley University Problem of the Week. - Weekly Purdue University Problem of the Week
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Weekly math challenge with past problem archives and solutions. Purdue University Problem of the Week. - Past Math Forum: Discrete Math Problems of the Week
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Past problems and solutions, Forum: Discrete Math Problems of the Week, student recognition. Paid membership required to view problems. Math Forum: Discrete Math Problems of the Week. - Problem Ken Duisenberg's Puzzle of the Week
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Problem archive and puzzle links. Ken Duisenberg's Puzzle of the Week. - Monthly Stony Brook Problem of the Month
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Monthly math challenge with past problem archives and solutions, Brook Problem of the Month, and hall of fame. Stony Brook Problem of the Month. - Weekly Dansmath Problem of the Week
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Weekly math problem, Problem of the Week, with solutions, archive, and leader board. Dansmath Problem of the Week. - Math Monthly Problem
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Math problems and solutions from Math Central. Monthly Problem. - Weekly PuzzleUp
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Weekly math problem with archive and scoreboard. PuzzleUp. - Projects Math Forum: Problems of the Week
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Projects from the Math Forum presenting weekly interactive math challenges to accumulate points for bronze, Forum: Problems of the Week, silver and gold prizes. Individual or class participation. Paid membership required to view problems. Math Forum: Problems of the Week. - Past Math Forum: Geometry Problem of the Week
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Past archive and solutions. Forum: Geometry Problem of the Week. Receive help from mentor. Paid membership required to view problems. Math Forum: Geometry Problem of the Week. - Past Math Forum: Algebra Problem of the Week
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Past archive and solutions. Forum: Algebra Problem of the Week. Receive help from a mentor. Paid membership required to view problems. Math Forum: Algebra Problem of the Week. - A IBM Research Ponder This
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A monthly on-line competition hosted by researchers at IBM. IBM Research Ponder This. - Learn Magic Math Kingdom
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Learn math through games and quiz-oriented tutorial. Magic Math Kingdom. - Educational Free Puzzle Collections
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Educational and recreational puzzles for teachers, Puzzle Collections, students and parents. Each puzzle is graded by difficulty and has a hint. Solutions are available to members. Free Puzzle Collections. - Alexa: Problem of the Week Games and Puzzles

alexa:/topsites/category/Top/Science/Math/Recreations/Games_and_Puzzles/Problem_of_the_Week

Alexa Directory Top Sites: Problem of the Week Games and Puzzles - DMOZ: Problem of the Week Games and Puzzles

dmoz:/Science/Math/Recreations/Games_and_Puzzles/Problem_of_the_Week

dmoz.org Directory: Problem of the Week Games and Puzzles