There are, it seems, few instances when "unintended consequences" are regarded as having a positive and beneficial effect. Here a well-used activity takes on a "life of its own" as a result of the enthusiasm of the learners. The outcome provides insights for all those involved, including the "teacher". Maybe it is…

Each of the primary problems described in this article encourage children to "get into" the process of problem solving, and all can be introduced without written instructions. A demonstration by the teacher with large hands-on materials can involve all the children effectively and give him/her the opportunity to highlight key points and deal with…