1. XIIth International Olympiad Budapest-Keszthely, 10–24 June 1970

   Announcement Pages: 131 - 132

2. Application of heuristic methods to the study of mathematics at school

   • G. D. Balk

   OriginalPaper Pages: 133 - 146

3. The use of kinematic models in the study of trigonometric functions

   • M. A. Grabovskij
   • P. M. Kotel'Nikov

   OriginalPaper Pages: 147 - 160

4. Experiments on improving the teaching process

   • E. G. Jakuba

   OriginalPaper Pages: 161 - 169

5. Axiomatic approach to the teaching of solid geometry in grade IX

   • N. M. Roganovskij

   OriginalPaper Pages: 170 - 179

6. Developing the capabilities of the pupil

   • S. I. Veksler

   OriginalPaper Pages: 180 - 183

7. Switch boards and logic

   • Geoffrey Giles

   OriginalPaper Pages: 184 - 191

8. Experimental verification of the use of the mathematical balance in secondary teaching

   • K. Orlov

   OriginalPaper Pages: 192 - 205

9. A television programme on finite differences

   • Alexander Graham
   • Graham A. Read

   OriginalPaper Pages: 206 - 219

10. A catalog of models for multiplication and division of whole numbers

    • Floyd R. Vest

    OriginalPaper Pages: 220 - 228

11. A research basis for teacher education

    • Joseph M. Scandura

    OriginalPaper Pages: 229 - 243

12. On the ideal role of an industrial mathematician and its educational implications

    • Murray S. Klamkin

    OriginalPaper Pages: 244 - 269

13. Inquiry into the meanings of ‘relation’

    • M. A. Touyarot

    OriginalPaper Pages: 270 - 276