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  2. Jigsaw (teaching technique) - Wikipedia

    en.wikipedia.org/wiki/Jigsaw_(teaching_technique)

    The jigsaw technique is a cooperative learning method that brings about both individual accountability and achievement of the team goals. [5] The process derives its name from the jigsaw puzzle because it involves putting the parts of the assignment together to form a whole picture. [6] The assignment is divided into parts and the class is also ...

  3. Jigsaw puzzle - Wikipedia

    en.wikipedia.org/wiki/Jigsaw_puzzle

    Puzzles. A jigsaw puzzle (with context, sometimes just jigsaw or just puzzle) is a tiling puzzle that requires the assembly of often irregularly shaped interlocking and mosaicked pieces, each of which typically has a portion of a picture. When assembled, the puzzle pieces produce a complete picture. In the 18th century, jigsaw puzzles were ...

  4. Gibsons Games - Wikipedia

    en.wikipedia.org/wiki/Gibsons_Games

    Founded. 1919; 105 years ago (1919) Headquarters. United Kingdom. Website. gibsonsgames.co.uk. Gibsons Games (Gibsons) is an independent, family-owned UK board game and jigsaw puzzle company and one of the oldest in the United Kingdom. [1] Gibsons is the trading name of H. P. Gibson & Sons Ltd. The fourth generation of the Gibsons family now ...

  5. 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.

  6. Play Simply Jigsaw Online for Free - AOL.com

    www.aol.com/.../play/masque-publishing/simply-jigsaw

    Simply Jigsaw. Piece together a new jigsaw puzzle every day, complete with themes that follow the seasons and a super useful edges-only tool. By Masque Publishing. Advertisement.

  7. World Jigsaw Puzzle Championships - Wikipedia

    en.wikipedia.org/wiki/World_Jigsaw_Puzzle...

    The World Jigsaw Puzzle Championship is an annual event organized by the World Jigsaw Puzzle Federation, supported by multiple national associations such as the United States Jigsaw Puzzle Association and Australian Jigsaw Puzzle Association. [1][2] The World Championship was started in 2019, and all editions have been held in Valladolid, Spain ...

  8. Reverse jigsaw - Wikipedia

    en.wikipedia.org/wiki/Reverse_jigsaw

    Reverse Jigsaw is a cooperative learning technique used in classroom settings. Students are broken up into groups and given a task or topic to discuss, which is afterwards presented to the class by a chosen member of each group. It differs from the original Jigsaw method in that it focuses more on interpretations and perceptions of the material ...

  9. Mathematics of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_Sudoku

    The general problem of solving Sudoku puzzles on n 2 ×n 2 grids of n×n blocks is known to be NP-complete. [8] A puzzle can be expressed as a graph coloring problem. [9] The aim is to construct a 9-coloring of a particular graph, given a partial 9-coloring. The Sudoku graph has 81 vertices, one vertex for each cell.

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