Students fit the pipe cleaner along the hair, then straightened it onto their rulers to find the measurement of the Party. The Business was usually pretty straight.
Great moves here:
- He begins the experience with intuition, the lowest rung on the ladder of abstraction, asking students to decide using nothing more than their gut "which one is more mullet-y?" By the end, they've named variables and defined operations, fully abstracting the context. Math has given a language to their intuition.
- He asks the students to generalize the ratio to their own haircuts, in addition to several other higher-level extension questions. You're looking at an activity with a low bar for entry and a high bar for exit right here.
- He cut his own hair into a mullet for the occasion. That's commitment, and gross.