This article demonstrates the use of Turtle Blocks, a successor to LOGO, to teach core computing concepts (diagrammed) to graduate students. The four key concepts, which define 'computational thinking', are decomposition, pattern recognition, algorithmic design, and abstraction. It'sd interesting that Gerald Ardito was "a little discouraged that some of them found the tasks as challenging as they did." He blames himself, but there really is a gap between more traditional learning and newer forms of learning based on these and similar concepts.
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