<![CDATA[This study aims to develop teaching materials for LKPD IPAs Based on the ProblemBased Learning (PBL) Model on IPAs content for fourth grade students of SDN 1Sekarteja. This study is a type of Research and Development (R&D) research withreference to the ADDIE (Analysis, Design, Development, Implementation,Evaluation) development model. The instruments in this development research usevalidation sheets and student response questionnaires. The validation results frommedia experts with a total score of 72 which is in the range of X> 67.08 so that itcan be categorized as "very good" and for material experts with a total score of 27which is in the range of X> 25.2 so that it can also be categorized as "very good".The results of the overall student response questionnaire got a score of 715 with anaverage of 32.5 so that it is in the range of X> 29.28 with the category of "very good".Meanwhile, the data from the analysis of students' critical thinking skills increasedafter the product trial with a value above the KKM (> 70) of 18 students, whilestudents who obtained a value below the KKM (≤ 70) were 4 students out of a totalof 22 students. From the initial data, there were 16 students whose scores werebelow the KKM (< 70) and 10 other students whose scores were above the KKM (≤70). So it can be concluded that the product in the form of LKPD IPAS Based on theProblem Based Learning (PBL) Model is suitable for use as teaching materials inclassroom learning.]]>
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