Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...
https://doi.org/10.5951/jresematheduc.50.1.0051 • https://www.jstor.org/stable/10.5951/jresematheduc.50.1.0051 Copy URL Using instructional exchanges as a ...
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