
The Making Meaning for Operations Casebook was developed as the key resource for participants' Developing Mathematical Ideas seminar experience. The twenty-nine cases, written by teachers describing real situations and actual student thinking in their classrooms, provide the...

A newer version of this casebook has been published by NCTM (2016): http: //www.nctm.org/Store/Products/Number-and-Operations, -Part-2--Making-Meaning-for-Operations-Casebook/ What are the "big ideas" in elementary school mathematics? How do students understand them? How can...

