This blog post introduces a new mini-series from Emergent Math: Routines, Lessons, Problems, and Projects. In my time in math classrooms - my own and others' - I've developed a rough taxonomy of activities. Think of these as the Four Elements of a math class: the "Earth, Air, Fire, Water" of math as it were. … Continue reading Routines, Lessons, Problems, and Projects: the DNA of your math classroom