chapter  1
14 Pages

Introduction To A Phenomenon

Not quite a straitjacket, but more a stiff suit-something emblematic of “proper decorum.” It is what I imagine myself wearing, in spirit, while conversing with Dan, a senior mathematics educator. In actuality, the atmosphere is casual, and we are both in short sleeves and shorts, sipping on coffee and tea, sitting outside of a café. And we are talking math-that is, exploring mathematical ideas in an area of elementary-level mathematics related to the division-of-fractions algorithm commonly referred to as the “invert-and-multiply” algorithm.