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.
Update thanks to comment from Markus Schüt: the origin dates back to 1841 in a letter Flaubert wrote! See:
My blog post for this video:
Captain's age question
"If a ship had 26 sheep and 10 goats onboard, how old is the ship's captain?"
South China Morning Post
The Portal (Chinese)
Official response (Chinese).
Sherlock Holmes' deduction in The Hound of the Baskervilles
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.
de Corte, Eric, Brian Greer, and Lieven Verschaffel, eds. Making Sense of Word Problems. CRC Press, 2000. Pages 3-5.
Reusser, Kurt. "Problem solving beyond the logic of things: Contextual effects on understanding and solving word problems." Instructional Science. 17.4 (1988): 309-338.
Benjamin Dickman Twitter and tweet
Benjamin Dickman answer on Math Educators Stack Exchange
Gene Wirchenko blog
If you like my videos, you can support me at Patreon:
Connect on social media. I update each site when I have a new video or blog post, so you can follow me on whichever method is most convenient for you.
My Blog: https://mindyourdecisions.com/blog/
Newsletter (sent only for big news, like a new book release): http://eepurl.com/KvS0r
If you buy from the links below I may receive a commission for sales. This has no effect on the price for you.
"The Joy of Game Theory" shows how you can use math to out-think your competition. (rated 3.8/5 stars on 31 reviews)
"The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias". (rated 4.6/5 stars on 3 reviews)
"Math Puzzles Volume 1" features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.4/5 stars on 13 reviews.
"Math Puzzles Volume 2". (rated 4.3/5 stars on 4 reviews)
"Math Puzzles Volume 3". (rated 3.8/5 stars on 5 reviews)
"40 Paradoxes in Logic, Probability, and Game Theory" contains thought-provoking and counter-intuitive results. (rated 4.3/5 stars on 12 reviews)
"The Best Mental Math Tricks" teaches how you can look like a math genius by solving problems in your head (rated 4.7/5 stars on 4 reviews)
"Multiply Numbers By Drawing Lines" This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. (rated 5/5 stars on 3 reviews)
Date Added: 2019-04-12
Watched 37 times