1. Learning to See: Making Sense of the Mathematics of Change in Middle School

   • Tracy Noble
   • Ricardo Nemirovsky
   • Tracey Wright

   OriginalPaper Pages: 109 - 167

2. Mixing Microworld and Cas Features in Building Computer Systems that Help Students Learn Algebra

   • Jean-FranÇois Nicaud
   • Denis Bouhineau
   • Hamid Chaachoua

   OriginalPaper Pages: 169 - 211

3. Robot Manipulations: A Synergy of Visualization, Computation and Action for Spatial Instruction

   • Igor M. Verner

   OriginalPaper Pages: 213 - 234

4. ICMI The International Commission on Mathematical Instruction

   Legacy Pages: 235 - 236

5. Probabilities, The US Electoral College, and Generating Functions Considered Harmful

   • Erich Neuwirth

   OriginalPaper Pages: 237 - 250