1. What is the relation of subtraction to addition, and what activities demonstrate this relationship?
   
   
2. What is positional notation and how can the teacher lead students to understand this concept?
   
   
3. Describe how students can discover the concept of regrouping.
   
   
4. Contrast the containing aspect and the partition aspect of division.
   
   
5. What are the basic tenets of Structural Arithmetic?

Visit http://alternativeed.sjsu.edu/modules.html. Browse Modules 11 and 15.