<![CDATA[This research aims to determine the effectiveness of live worksheets-based E-LKPD learning media on the ability to understand mathematical concepts. This research uses a quantitative method with a one-group pretest-posttest experimental research design because it only involves one group and does not use a control group. The data collection technique for this research is a concept understanding ability test technique, namely in the form of a pretest and posttest. The research results show that the E-LKPD learning media based on Live Worksheets on the ability to understand mathematical concepts has met the effectiveness criteria. With the average pretest score of 54.5 while the posttest was 76.6, so there was a difference between the pretest score results and the posttest score results. Because the average pre test score < the average post test score. Meanwhile, the magnitude of the increase seen in the total mean value is 0.4898, which is included in the interval , which means it is in the medium category. So, based on the N-Gain test, fifth grade students experienced an increase in their ability to understand concepts in the medium category.]]>
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