2. Quarto
This two-player logic game ranks second in our list of problem solving activities for high school students. It closely-resembles Connect Four, and uses a 4×4 board and 16 different pieces with no two pieces that are exactly alike. The pieces are either dark, light, tall, short, square, rounded, hollow, or solid. The objective of the game is to form a line in which all pieces have something in common (i.e. a line of all dark pieces, a line of all short pieces, etc.). The trick to this game is that there is a pick your poison element involved in that a player’s opponent has to pick the piece that the player must use on each turn, rather than the player getting to choose their own piece.
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