Principles of Task Design for Conjecturing and Proving

Principles of task design should have both the fundamental function of a clear relation to the learner’s rules, learning powers or hypothetical learning trajectories and the practical function of easy evaluation of many similar tasks. Drawing on some theories and practical tasks in the literature, we developed a total of 11 principles of task design for learning mathematical conjecturing (4), transiting between conjecturing and proving (2), and proving (5). To further validate the functioning of those principles, more empirical research is encouraged.

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