When I was a child, my parents were terrorized by what they referred to as “New Math” which was what my generation was taught in school. They had no idea what “carry the 1” meant. In recent years, we’ve developed another baffling “new math”– age denial math. 30 is the new 20. 20 is still the old 20. 40 is the new 30. 50 is the new 40. 60 is the...