Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleWORKING ON EXTREMUM PROBLEMS WITH THE HELP OF DYNAMIC GEOMETRY SYSTEMS.AuthorsGortcheva, IordankaAbstractTwo problems from high school mathematics on finding minimum or maximum are discussed. The focus is on students' approaches and difficulties in identifying a correct solution and how dynamic geometry systems can help.SubjectsMATHEMATICS education (Secondary); GEOMETRY; VARIATIONAL principles; HIGH schools; SECONDARY educationPublicationActa Didactica Napocensia, 2013, Vol 6, Issue 1, p69ISSN2065-1430Publication typeArticle