1. Adolescents' ability to communicate spatial information: Analyzing and effecting students' performance

   • David Ben-Chaim
   • Glenda Lappan
   • Richard T. Houang

   OriginalPaper Pages: 121 - 146

2. Finding and using patterns in linear generalising problems

   • Kaye Stacey

   OriginalPaper Pages: 147 - 164

3. Sex-related differences on objective tests among undergraduates

   • Johnston Anderson

   OriginalPaper Pages: 165 - 177

4. Tableur et calcul algebrique

   • B. Capponi
   • N. Balacheff

   OriginalPaper Pages: 179 - 210

5. Constructivism, mathematics and mathematics education

   • Stephen Lerman

   OriginalPaper Pages: 211 - 223

6. Mathematics achievement of girls and boys in grade eight: results from twenty countries

   • Gila Hanna

   Short Communication Pages: 225 - 232