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Math
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Games and Puzzles
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15 Puzzle of Sam Lloyd
Math - Recreations - Games and Puzzles
Play online Sam Lloyd's "15" puzzle The funny story of this game Mathematical implications of this game Some funny logical problems with the 15 game.
A Math
Math - Recreations - Games and Puzzles
Interactive math help for K-12 students with flashcards, Math Wordfind, Homework Helper and worksheets.
A Primer on Cryptarithmetic
Math - Recreations - Games and Puzzles
Instructions, examples, references and links.
Aha! Puzzles
Math - Recreations - Games and Puzzles
Puzzles, books, games and tests with designed by Lloyd King, author of "Test Your Creative Thinking".
Algebraic Math Puzzles
Math - Recreations - Games and Puzzles
A collection of puzzles at high school level. Does not include answers.
Alien Tiles
Math - Recreations - Games and Puzzles
Object of puzzle is to try to get color pieces to create certain patterns in cube.
Alphametic Puzzles
Math - Recreations - Games and Puzzles
Numerous puzzles, links, puzzle solver, and a generator.
Alphametics and Cryptarithms
Math - Recreations - Games and Puzzles
Puzzles in which letters or symbols are substituted for the digits in an arithmetical operation like addition.
Alphametics Page
Math - Recreations - Games and Puzzles
Compiled by Mike Keith. Examples of various genres.
Archive Creative puzzles
Math - Recreations - Games and Puzzles
Interactive puzzle archive with descriptions for puzzle construction and a special childrens puzzle page.
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