1. Interactive development of subject matter in the mathematics classroom

   • Rainer Bromme
   • Heinz Steinbring

   OriginalPaper Pages: 217 - 248

2. Making the transition to formal proof

   • Robert C. Moore

   OriginalPaper Pages: 249 - 266

3. On learning fundamental concepts of group theory

   • Ed Dubinsky
   • Jennie Dautermann
   • Rina Zazkis

   OriginalPaper Pages: 267 - 305

4. Book review

   • A. J. Dawson

   BookReview Pages: 307 - 315

5. Announcement

   Announcement Pages: 316 - 316