The designer's description: Give & Take is designed for elementary-age students, grades 3 and higher, who are developing their sense of numbers. In the earlier grades, it can be used to teach operations and basic reasoning skills. In grades five and higher it can be used to reinforce quick recall of basic math facts and also to foster advanced reasoning skills. The game is played on a 10x10 square grid. Each player has 50 colored chips. Three standard dice are required for play. The object of the game is to be the first to play all of one's 50 chips and to cover the four center squares of the gameboard. http://eprentice.sdsu.edu/F03670/giveandtake/