Chapter 3 of this resource can be used to supplement Section IV: Research on Student Learning for topics in the Numbers and Operations Category. The Chapter includes information about 1) Student difficulties, confusion, and misconceptions and 2) Factors contributing to students' difficulties, confusion, and misconceptions.
Stepans, S, Schmidt, D., Welsh, K., Reins, K., and Saigo, B. (2005), St. Cloud, MN: Saiwood Publications