What underlying theoretical perspectives do Clements and Sarama use in chapter 12 that underlie the framework for their review? How is the student viewed under each perspective?
"Traditionally, mathematics is taught as a ready made subject. Students are given definitions, rules, algorithms, according to which they are expected to proceed. Only a small minority learn mathematics this way" (pp. 615-616).
Why do the authors consider figure 13.7 to be a "powerful theoretical lens for analyzing the teaching/learning of elementary arithmetic" (p. 610)? Do you? Why?