Mayan multiplication

Whenever I have some minutes to spare and relax with my students or  they look tired, I use these moments to tell them amazing short stories I know, challenge them with a riddle or a quiz, play games or just tell them about something curious that most of them may ignore. 



A good way to link Mathematics and English and get their attention at the same time could be the explanation of basic Mayan Multiplication  by the use of a graphics system with  lines and dots,  The teacher can solve a very  simple operation or two on the blackboard or use a  video like the ones below, and ask one student to explain his/her conclusions about how this method works and solve one more operation as an example.
















Carmen María

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