Tag: mathematics


  • I teach mathematics. In mathematics, we have a thing called “literal equations”. When I first met this term, and indeed for a long time afterward, it confused me. Isn’t every equation literally an equation? What makes some equations more equation-y than other equations? The issue here is that “literal” means something different in mathematical argot…

  • Iโ€™m going to talk about logs here. I have more to say later, but this is a basic intro sketch. First Iโ€™m going to talk about the stuff of elementary school. When it comes to mathematics, most people find comfort in elementary school mathematics. So, consider the humble number line: We want to move along…

  • A tale of carts and horses. [mathjax]My child is in fifth grade. Last Friday, we received the second volume of his mathematics workbook. It starts with multiplication of fractions; the next chapter is division of fractions. Addition (and subtraction) of fractions with different denominators is in the first volume. I believe this order persists partly…