10

¥Time to prepare for class

¥Tension: Class time spent on a given topic/problem?

¥Negotiation process

¥Choosing mathematical material

–Planning the big ideas versus planning the
details

–Mathematically egocentric perspective

¥Differing theoretical perspectives

–Math as tool vs. math as a study (math = useful?)

¥Differing approaches to planning (how this evolved)

–Looking for existing activities to use

–Trying to invent activities