1. Teaching proof in the context of physics

   • Gila Hanna
   • Ysbrand de Bruyn
   • Lomas Dennis

   Analyses Pages: 82 - 90

2. Sequences—Basic elements for discrete mathematics

   • Hans-Georg Weigand

   Analyses Pages: 91 - 97

3. The teaching of proof at the lower secondary level—a video study

   • Aiso Heinze
   • Kristina Reiss

   Analyses Pages: 98 - 104

4. Discrete mathematics in the high school curriculum

   • Ian Anderson
   • Bram van Asch
   • Jack van Lint

   Analyses Pages: 105 - 116