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Harvard Business School: The Path to Critical Thinking by Stever Robbins
An article written by Stever Robbins discussing how to become a critical thinker. This is written from a business perspective but the ideas can easily be applied to education.
Iowa State University
Math Night Resources: Pencil and Paper Games
Play these pencil and paper games to engage learners in critical thinking and reasoning. Written directions are provided along with colorful animation to explain in detail how each game is played and possible strategies needed to win.
University of Cambridge
University of Cambridge: Nrich: Games Frogs
Use this interactive game to improve your knowledge and understanding of patterns and algebra. Can you describe a rule to follow where you make the least moves? Just follow the instructions below it.
Ducksters
Ducksters: Kid's Games: Rules of Checkers
Kids learn the basic rules and strategy of the game of checkers on this site.