Learning through problemsde Paul R. Trafton · Publicada por primera vez en 1999MateriasMathematicsStudy and teaching (Primary)Arithmetic, study and teachingEdiciones (1)Learning through problems (1999)Heinemann · inglésMás obras de Paul R. TraftonMaintaining Concepts and Skills/Grade 31992New directions for elementary school mathematicsLittle Kids-Powerful Problem Solvers