Özet:

This study investigated the ability level of talented and gifted pupils to define selected geometry terms and formulate a word problem for each of them. In order to perform this task correctly, pupils should be acquainted with the geometry term. Moreover, they must have at last experience in solving word problems. The research population consisted of 58 pupils from the 4th-6th grades who learn mathematics in a course which is adjusted to their high ability level. The research findings illustrate a medium level of mastery of the term definition knowledge. The formulated word problems were mainly taken from the pupils' previous experience and they are at the first level according to van Hiele. Only few pupils demonstrated creativity and write problems which were not similar to the ones they knew from the textbooks.

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