摘要：Didactic design of mathematic understanding competency of block and cube in fourthgrade elementary school student.Purpose of the research was to describe: (1) learning obstacles of mathematic understanding competency, (2) design of didactic learning material based on development of a block and cube material understanding competency, (3) implementation of the design of didactic learning material based on development of a block and cube material understanding competency.The research used didactic design research and analyzed qualitatively.An instrument was writing test.Research procedure: prospective analysis, experiment and restropective analysis.Results of the research were an alternative didactic design which could be used in elementary school mathematic learning.
其他摘要：Abstract: Didactic design of mathematic understanding competency of block and cube in fourthgrade elementary school student. Purpose of the research was to describe: (1) learning obstacles of mathematic understanding competency, (2) design of didactic learning material based on development of a block and cube material understanding competency, (3) implementation of the design of didactic learning material based on development of a block and cube material understanding competency. The research used didactic design research and analyzed qualitatively. An instrument was writing test. Research procedure: prospective analysis, experiment and restropective analysis. Results of the research were an alternative didactic design which could be used in elementary school mathematic learning.
关键词：desain didaktis; pemahaman matematis; konsep balok dan kubus; SD.
