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  2. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Note that if n 2 is the closest perfect square to the desired square x and d = x - n 2 is their difference, it is more convenient to express this approximation in the form of mixed fraction as . Thus, in the previous example, the square root of 15 is 4 − 1 8 . {\displaystyle 4{\tfrac {-1}{8}}.}

  3. Math Blaster! - Wikipedia

    en.wikipedia.org/wiki/Math_Blaster!

    Math Blaster! is a 1983 educational video game, and the first entry in the "Math Blaster" series within the Blaster Learning System created by Davidson & Associates. The game was developed by former educator Jan Davidson. [2] It would be revised and ported to newer hardware and operating systems, with enhanced versions rebranded as Math Blaster ...

  4. Trachtenberg system - Wikipedia

    en.wikipedia.org/wiki/Trachtenberg_system

    The method for general multiplication is a method to achieve multiplications with low space complexity, i.e. as few temporary results as possible to be kept in memory. . This is achieved by noting that the final digit is completely determined by multiplying the last digit of the multiplic

  5. OutNumbered! - Wikipedia

    en.wikipedia.org/wiki/OutNumbered!

    OutNumbered! is a side-scrolling educational game whose objective is to stop the Master of Mischief, a common antagonist of The Learning Company's Super Solvers series and Treasure series, from taking over a television and radio station before midnight. To do this, the player must deduce which room the Master of Mischief is hiding in by ...

  6. Chisanbop - Wikipedia

    en.wikipedia.org/wiki/Chisanbop

    The Chisanbop system. When a finger is touching the table, it contributes its corresponding number to a total. Chisanbop or chisenbop (from Korean chi (ji) finger + sanpŏp (sanbeop) calculation [1] 지산법/指算法), sometimes called Fingermath, [2] is a finger counting method used to perform basic mathematical operations.

  7. Math Rabbit - Wikipedia

    en.wikipedia.org/wiki/Math_Rabbit

    The game takes place in a circus and teaches addition, subtraction, and counting in four different games, each of which with multiple difficulty settings. [1] [2] The game is for ages 4–8. [3] The four games are: Clown's Counting Games - the player is required to count with a number as a guide to pitch the tone of the musical instrument.

  8. Compu-Math - Wikipedia

    en.wikipedia.org/wiki/Compu-Math

    Compu-Math: Fractions was the first program created in the Compu-Math series, being introduced in Edu-Ware's March 1, 1980 catalog. Fractions six learning modules include tutorials on definitions, common and lowest denominators, fraction addition, fraction subtraction, fraction multiplication, and fraction division. Each module includes the use ...

  9. Number Munchers - Wikipedia

    en.wikipedia.org/wiki/Number_Munchers

    Game play begins with four Muncher lives (the one currently in play, plus three others in reserve). After scoring a certain number of points, the player gains an extra life. Players lose a life if they munch an incorrect answer. Additionally, five different types of enemies (or "Troggle") appear throughout the game.