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  2. List of educational video games - Wikipedia

    en.wikipedia.org/.../List_of_educational_video_games

    This is a list of notable educational video games. There is some overlap between educational games and interactive CD-ROMs and other programs (based on player agency), and between educational games and related genres like simulations and interactive storybooks (based on how much gameplay is devoted to education). This list aims to list games ...

  3. ABCya - Wikipedia

    en.wikipedia.org/wiki/ABCya

    ABCya.com was founded in 1996 by Alan Tortolani. [2] A public school teacher, Tortolani created his own activities for his students. Later, he decided to register a domain under ABCya.com. Tortolani chose this particular domain name "ABCya" to make it accessible to children and easy to type into a web browser.

  4. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    A subtraction problem such as is solved by borrowing a 10 from the tens place to add to the ones place in order to facilitate the subtraction. Subtracting 9 from 6 involves borrowing a 10 from the tens place, making the problem into 70 + 16 − 39 {\displaystyle 70+16-39} .

  5. Category:Children's educational video games - Wikipedia

    en.wikipedia.org/wiki/Category:Children's...

    These are educational video games intended for children between the ages of 3 and 17. While most of these games have an EC (Early Childhood) rating according to the ESRB, some of these games have a K-A/E (Everyone) rating.

  6. Subtraction game - Wikipedia

    en.wikipedia.org/wiki/Subtraction_game

    Subtraction games are generally impartial games, meaning that the set of moves available in a given position does not depend on the player whose turn it is to move.For such a game, the states can be divided up into -positions (positions in which the previous player, who just moved, is winning) and -positions (positions in which the next player to move is winning), and an optimal game playing ...

  7. Subtract a square - Wikipedia

    en.wikipedia.org/wiki/Subtract_a_square

    Subtract-a-square can also be played as a misère game, in which the player to make the last subtraction loses. The recursive algorithm to determine 'hot' and 'cold' numbers for the misère game is the same as that for the normal game, except that for the misère game the number 1 is 'cold' whilst 2 is 'hot'.

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