How to teach algebra in 15 minutes

Yes, I did try to teach algebra in 15 minutes, before a panel of about a dozen math professors at that of the University of the Philippines Institute of Mathematics.
In previous pieces, I had expressed frustration at the lecture-based method of teaching math and math-related subjects. Having gone back to school for an MA in [...]

Learning arithmetic

My attitude towards learning and education has been shaped by my own experience as well as by authors like A.S. Neill and John Holt, who represent what might be called the “free school” (“free” as in freedom) approach. Taking a cue from software, this might also be called the “free/open school” approach, an approach that [...]