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  2. Tangram - Wikipedia

    en.wikipedia.org/wiki/Tangram

    Like most modern sets, this wooden tangram is stored in the square configuration. The tangram (Chinese: 七巧板; pinyin: qīqiǎobǎn; lit. 'seven boards of skill') is a dissection puzzle consisting of seven flat polygons, called tans, which are put together to form shapes. The objective is to replicate a pattern (given only an outline ...

  3. Egg of Columbus (tangram puzzle) - Wikipedia

    en.wikipedia.org/wiki/Egg_of_Columbus_(tangram...

    Egg of Columbus (tangram puzzle) The Egg of Columbus ( Ei des Columbus in German) is a dissection puzzle consisting of a flat egg -like shape divided into 9 or 10 pieces by straight cuts. The goal of the puzzle is to rearrange the pieces to form other specific shapes, such as animals (see below). The earliest known examples were produced by ...

  4. Sam Loyd - Wikipedia

    en.wikipedia.org/wiki/Sam_Loyd

    Chess. puzzles. mathematical games. Samuel Loyd (January 30, 1841 – April 10, 1911 [1]) was an American chess player, chess composer, puzzle author, and recreational mathematician. Loyd was born in Philadelphia but raised in New York City. As a chess composer, he authored a number of chess problems, often with interesting themes.

  5. Mechanical puzzle - Wikipedia

    en.wikipedia.org/wiki/Mechanical_puzzle

    In this category, the puzzle is present in component form, and the aim is to produce a certain shape. The Soma cube made by Piet Hein, the Pentomino by Solomon Golomb and the aforementioned laying puzzles Tangram and "Anker-puzzles" are all examples of this type of puzzle. Furthermore, problems in which a number of pieces have to be arranged so ...

  6. T puzzle - Wikipedia

    en.wikipedia.org/wiki/T_puzzle

    The T-puzzle, a T shape can be assembled with the four pieces on the left. The T puzzle is a tiling puzzle consisting of four polygonal shapes which can be put together to form a capital T. The four pieces are usually one isosceles right triangle, two right trapezoids and an irregular shaped pentagon. Despite its apparent simplicity, it is a ...

  7. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.

  8. Dissection puzzle - Wikipedia

    en.wikipedia.org/wiki/Dissection_puzzle

    Some types of dissection puzzle are intended to create a large number of different geometric shapes. The tangram is a popular dissection puzzle of this type. The seven pieces can be configured into one of a few home shapes, such as the large square and rectangle that the pieces are often stored in, to any number of smaller squares, triangles, parallelograms, or esoteric shapes and figures.

  9. Ostomachion - Wikipedia

    en.wikipedia.org/wiki/Ostomachion

    The Ostomachion which he describes was a puzzle similar to tangrams and was played perhaps by several persons with pieces made of bone. [5] It is not known which is older, Archimedes' geometrical investigation of the figure, or the game. Victorinus, [6] Bassus [7] Ennodius [8] and Lucretius [9] have also discussed the game.

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