Search for the roots of ratio: Some thoughts on the long term learning process (towards ... a theory)

Didactical Phenomenology of Mathematical Structures

Zalman Usiskin · Educational Studies in Mathematics · 1985 · 214 citations

Natural Sciences, Mathematics, Physics +11

Perception and Understanding in Young Children

E. M. Hitchfield, Peter Bryant · British Journal of Educational Studies · 1975 · 176 citations

Education, Educational Psychology, Psychology +12

Search for the roots of ratio: Some thoughts on the long term learning process (towards ... a theory)

Leen Streefland · Educational Studies in Mathematics · 1984 · 56 citations

Education, Economics, Lifelong Learning +7

The acquisition of arithmetical concepts

G�rard Vergnaud · Educational Studies in Mathematics · 1979 · 52 citations · Full text

Education, Educational Psychology, Mathematics Education +9

Young children (6–8)-ratio and proportion

Jan Brink, Leen Streefland · Educational Studies in Mathematics · 1979 · 52 citations

Public Health, Child Health, Pediatrics +6