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  2. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    Multiplication table from 1 to 10 drawn to scale with the upper-right half labeled with prime factorisations. In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system.

  3. Immaculate Grid - Wikipedia

    en.wikipedia.org/wiki/Immaculate_Grid

    Since players get only one guess per square, each one must be correct for the result to be "immaculate". [2] [3] Correctly guessed players cannot be used elsewhere in the grid. [4] Originally, the player's score was simply the number of correct guesses, but a rarity score was later added to encourage players to think of lesser known answers. [2 ...

  4. Sudoku - Wikipedia

    en.wikipedia.org/wiki/Sudoku

    Although the 9×9 grid with 3×3 regions is by far the most common, many other variations exist. Sample puzzles can be 4×4 grids with 2×2 regions; 5×5 grids with pentomino regions have been published under the name Logi-5; the World Puzzle Championship has featured a 6×6 grid with 2×3 regions and a 7×7 grid with six heptomino regions and ...

  5. Nine dots puzzle - Wikipedia

    en.wikipedia.org/wiki/Nine_dots_puzzle

    The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or fewer, without lifting the pen. The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without lifting the pen or retracing any lines.

  6. Three by three - Wikipedia

    en.wikipedia.org/wiki/Three_by_Three

    3x3 or three by three may refer to: 3x3 basketball, a variation of basketball played three-a-side; 3×3, a 1982 extended play by Genesis; 3x3, the classic version of the Rubik's Cube "3 x 3", a 2023 song by Pylon Reenactment Society; 3x3, a 2023 extended play by Odetari & 9lives

  7. 3x3 basketball - Wikipedia

    en.wikipedia.org/wiki/3x3_basketball

    3x3 basketball (stylized as ƐX3, pronounced three-ex-three) [1] is a variation of basketball played three-a-side, with one backboard and in a half-court setup. This basketball game format is currently being promoted and structured by FIBA, the sport's governing body. [2]

  8. Ages of Three Children puzzle - Wikipedia

    en.wikipedia.org/wiki/Ages_of_Three_Children_puzzle

    B. 3 + 3 + 8 = 14. In case 'A', there is no 'eldest child': two children are aged six (although one could be a few minutes or around 9 to 12 months older and they still both be 6). Therefore, when told that one child is the eldest, the census-taker concludes that the correct solution is 'B'. [3]

  9. Magic cube - Wikipedia

    en.wikipedia.org/wiki/Magic_cube

    An example of a 3 × 3 × 3 magic cube. In this example, no slice is a magic square. In this case, the cube is classed as a simple magic cube.. In mathematics, a magic cube is the 3-dimensional equivalent of a magic square, that is, a collection of integers arranged in an n × n × n pattern such that the sums of the numbers on each row, on each column, on each pillar and on each of the four ...