The REAL Answer To The Viral Chinese Math Problem 'How Old Is The Captain?'
Media outlets around the world went crazy over a 5th grade math exam question in China. But they all missed the real story! The problem actually dates back to French researchers in 1979. In this video I present the real story to the viral "Chinese" captain's age question.
Novotná, Jarmila, and Bernard Sarrazy. "Model of a professor’s didactical action in mathematics education: professor’s variability and students’ algorithmic flexibility in solving arithmetical problems." The Fourth Congress of the European Society in Mathematics Education. 2005. http://www.erme.tu-dortmund.de/~erme/CERME4/CERME4_WG6.pdf#page=68
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