Improvement of didactical assessment by improvement of problems : an attempt with respect to porcentage

Van den Heuvel Panhuizen, Marja

Improvement of didactical assessment by improvement of problems : an attempt with respect to porcentage - 342-372 - 1994 Vol. 27, no. 4, dec. = EDUCATIONAL STUDIES IN MATHEMATICS

APRENDIZAJE ENSEÑANZA MATEMATICA