Mathematical puzzles make up an integral part of recreational mathematics. Recreational mathematics is an umbrella term referring to Mathematical puzzles and Mathematical games. They have specific rules as do multiplayer games, but they do not usually involve competition between two or more players. A multiplayer game is a Game which is played by several players. Instead, in order to solve such a puzzle, the solver must find a solution that satisfies the given conditions. A puzzle is a Problem or Enigma that challenges Ingenuity. In a basic puzzle one is intended to piece together objects in a logical way in order to
Mathematical puzzles require mathematics in order to solve them. Logic puzzles are a common type of mathematical puzzle. A logic puzzle is a Puzzle deriving from the Mathematics field of Deduction.
Conway's Game of Life and fractals, as two examples, may also be considered mathematical puzzles even though the solver interacts with them only at the beginning by providing a set of initial conditions. "Conway game" can refer to games as defined by Surreal numbers which Conway also developed A fractal is generally "a rough or fragmented geometric shape that can be split into parts each of which is (at least approximately a reduced-size copy of the whole" After these conditions are set, the rules of the puzzle determine all subsequent changes and moves.
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The following categories are not disjoint; some puzzles fall into more than one category.
The fields of knot theory and topology, especially their non-intuitive conclusions, are often seen as a part of recreational mathematics. Four fours is a Mathematical puzzle. The goal of four fours is to find the simplest Mathematical expression for every Whole number from 0 to some maximum Physicist Richard Feynman sent the following puzzle for his father attached to a letter to his mother in 1939 The pirate game is a simple Mathematical game. It illustrates how if assumptions conforming to a Homo economicus model of human behaviour hold outcomes Verbal arithmetic, also known as alphametics, cryptarithmetic, crypt-arithmetic, or cryptarithm, is a type of Mathematical game consisting A cross-figure (also variously called cross number puzzle or figure logic) is a Puzzle similar to a Crossword in structure but with entries A cryptogram is a type of puzzle which consists of a short piece of encrypted text The n -puzzle is known in various versions including the 8 puzzle, the 15 puzzle, and with various names The Rubik's Cube is a Mechanical puzzle invented in 1974 by Hungarian Sculptor and Professor of Architecture Ernő Rubik A mechanical puzzle is a Puzzle presented as a set of mechanically interlinked pieces is a Logic -based number-placement Puzzle. The objective is to fill a 9×9 grid so that each column each row and each of the nine 3×3 boxes (also called blocks The Think-a-Dot was a Mathematical toy made by ESR Inc during the 1960s that demonstrated Group theory. The Tower of Hanoi or Towers of Hanoi (also known as The Towers of Bramha) is a Mathematical game or Puzzle. Ant on a rubber rope is a Mathematical puzzle with a solution that appears counter-intuitive or paradoxical The Monty Hall problem is a Probability puzzle loosely based on the American television game show Let's Make a Deal. The mutilated chessboard problem is a Tiling puzzle introduced by Martin Gardner in his Scientific American column " Mathematical Games Packing problems are one area where Mathematics meets Puzzles ( Recreational mathematics) A pentomino is a Polyomino composed of five ( Greek πέντε / pente) congruent squares connected orthogonally. Tangram ( is a Dissection puzzle. It consists of seven pieces called tans, which fit together to form a shape of some sort The Slothouber–Graatsma puzzle is a packing problem that calls for packing six 1 × 2 × 2 blocks and three 1 × 1 × 1 blocks into a 3 × 3 × 3 box Conway's puzzle is a Packing problem using rectangular blocks named after its inventor mathematician John Conway. The Bedlam cube is a Solid dissection puzzle invented by Bruce Bedlam Soma-cube-assembledjpg|thumb|none|The same puzzle assembled into a cube]]The Soma cube is a solid dissection puzzle invented by "Conway game" can refer to games as defined by Surreal numbers which Conway also developed is a Logic -based number-placement Puzzle. The objective is to fill a 9×9 grid so that each column each row and each of the nine 3×3 boxes (also called blocks The mutilated chessboard problem is a Tiling puzzle introduced by Martin Gardner in his Scientific American column " Mathematical Games Peg solitaire is a Board game for one player involving movement of pegs on a board with holes The eight queens puzzle is the problem of putting eight Chess queens on an 8×8 chessboard such that none of them is able to capture any other using the standard chess The Knight's Tour is a mathematical problem involving a knight on a Chessboard. In Mathematics, in the area of Discrete geometry, the no-three-in-line -problem introduced by Henry Dudeney in 1917 asks for the maximum number of points In Mathematics, knot theory is the area of Topology that studies mathematical knots While inspired by knots which appear in daily life in shoelaces Topology ( Greek topos, "place" and logos, "study" is the branch of Mathematics that studies the properties of